Every Pro Baseball Player Charlie Has Seen: M
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- Kevin Maas (first baseman, b. 1965, California)
- 1991: New York Yankees, American League (MLB) - 1 game 6-Oct
- 1992: New York Yankees, American League (MLB) - 3 games 10-Aug 13-Sep 27-Sep
- 1993: New York Yankees, American League (MLB) - 1 game 2-Sep
- David Maberry (first baseman, b. 1998, Florida)
- 2021: Ogden Raptors, Pioneer League (independent) - 1 game 9-Jul
- Louis Maberry (pitcher, b. 1970, Texas)
- 1993: Charleston Wheelers, South Atlantic League (Low-A) - 1 game 19-Aug
- Chris Mabeus (pitcher, b. 1979, Illinois)
- 2003: Midland Rockhounds, Texas League (AA) - 1 game 9-Aug
- 2004: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 21-Aug
- Brett Mabry (pitcher, b. 1990)
- 2015: Schaumburg Boomers, Frontier League (independent) - 1 game 30-Aug
- John Mabry (first base/outfield, b. 1970, Delaware)
- 1993: Arkansas Travelers, Texas League (AA) - 1 game 14-Aug
- 1997: St. Louis Cardinals, National League (MLB) - 1 game 4-Aug
- 2004: St. Louis Cardinals, Major League Baseball - 1 game 25-Jul
- 2005: St. Louis Cardinals, Major League Baseball - 1 game 6-Aug
- 2007: Colorado Rockies, Major League Baseball - 1 game 23-Apr
- JT Mabry (infielder, b. 2000, Missouri)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 3 games 31-Jul 1-Aug 2-Aug
- Jon Macalutas (first base/outfield, b. 1974, Hawaii)
- 2000: Stockton Mudville Nine, California League (High-A) - 1 game 2-Sep
- Mark MacArthur (utility, b. 1968)
- 1990: Hamilton Redbirds, New York-Penn League (short-season) - 1 game 16-Aug
- Brandon Macchi (outfielder, b. 1979, California)
- 2002: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 7-Jul
- Brian Macchi (outfielder, b. 1979, Massachusetts)
- 2004: North Shore Spirit, Northeast League (independent) - 1 game 16-Sep
- 2005: North Shore Spirit, Can-Am League (independent) - 2 games 25-Jun 23-Jul
- Bob MacDonald (pitcher, b. 1965, New Jersey)
- 1993: Detroit Tigers, American League (MLB) - 1 game 1-Oct
- 1996: Norfolk Tides, International League (AAA) - 1 game 24-Aug
- Kyle MacDonald (infielder, b. 1996, Ontario)
- 2019: GCL Yankees West, Gulf Coast League (rookie) - 2 games 26-Aug g1 27-Aug
- Mike MacDonald (pitcher, b. 1972)
- 1995: Springfield Sultans, Midwest League (Low-A) - 1 game 18-Aug
- Zach MacDonald (outfielder, b. 2003, Michigan)
- Mike MacDougal (pitcher, b. 1977, Nevada)
- 2005: Kansas City Royals, Major League Baseball - 1 game 7-Aug
- 2009: Washington Nationals, Major League Baseball - 1 game 18-Sep
- Ryley MacEachern (pitcher, b. 1994, Massachusetts)
- 2017: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 15-Apr night
- Nick Macellaro (infielder, b. 1981, Connecticut)
- 2003: Florence Freedom, Frontier League (independent) - 1 game 4-Jul
- Stephen MacFarland (pitcher, b. 1985, New York)
- 2006: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 18-Jul
- 2008: Grand Prairie AirHogs, American Association (independent) - 1 game 12-Aug
- Mike Macfarlane (catcher, b. 1964, California)
- 1992: Kansas City Royals, American League (MLB) - 1 game 17-Aug
- 1999: Oakland Athletics, American League (MLB) - 1 game 31-Aug
- Albenis Machado (infielder, b. 1979, Venezuela)
- 1999: Cape Fear Crocs, South Atlantic League (Low-A) - 1 game 10-Aug
- 2003: Harrisburg Senators, Eastern League (AA) - 1 game 5-Apr
- 2005: Lincoln Saltdogs, Northern League (independent) - 1 game 11-Aug
- 2007: El Paso Diablos, American Association (independent) - 1 game 12-Aug
- 2010: Lincoln Saltdogs, American Association (independent) - 2 games 21-Aug 24-Aug g2
- Alejandro Machado (infielder, b. 1982, Venezuela)
- 2000: Danville Braves, Appalachian League (rookie) - 1 game 3-Aug
- 2009: New Britain Rock Cats, Eastern League (AA) - 1 game 13-Sep
- Anderson Machado (infielder, b. 1981, Venezuela)
- 2000: Reading Phillies, Eastern League (AA) - 1 game 7-Sep
- 2001: Reading Phillies, Eastern League (AA) - 2 games 22-Aug 8-Sep
- 2002: Reading Phillies, Eastern League (AA) - 2 games 11-Apr 8-May
- 2003: Reading Phillies, Eastern League (AA) - 4 games 3-Apr 27-Jun 6-Jul night 12-Aug
- Andres Machado (pitcher, b. 1993, Venezuela)
- 2022: Washington Nationals, Major League Baseball - 1 game 26-Sep
- 2022: Santurce Cangrejeros, Liga Clemente (winter) - 2 games 29-Nov 4-Dec g1
- Carlos Machado (outfielder, b. 1998, Venezuela)
- 2017: Greeneville Astros, Appalachian League (rookie) - 2 games 26-Aug 29-Aug
- 2018: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 9-Sep
- Dixon Machado (infielder, b. 1992, Venezuela)
- 2014: Erie SeaWolves, Eastern League (AA) - 1 game 4-Jul
- Estiven Machado (infielder, b. 2002, Venezuela)
- Jesus Machado (outfielder, b. 2003, Venezuela)
- Manny Machado (infielder, b. 1992, Florida)
- 2014: Baltimore Orioles, Major League Baseball - 1 game 10-Aug
- 2015: Baltimore Orioles, Major League Baseball - 2 games 25-May 8-Sep
- 2016: Baltimore Orioles, Major League Baseball - 2 games 20-Aug 1-Oct
- 2017: Baltimore Orioles, Major League Baseball - 1 game 24-Sep
- 2018: Baltimore Orioles, Major League Baseball - 1 game 13-May
- 2018: Los Angeles Dodgers, Major League Baseball - 1 game 20-Aug
- 2019: San Diego Padres, Major League Baseball - 1 game 29-Apr
- 2021: San Diego Padres, Major League Baseball - 1 game 17-Sep
- 2024: San Diego Padres, Major League Baseball - 3 games 30-Aug 31-Aug 1-Sep
- Robert Machado (catcher, b. 1973, Venezuela)
- 1994: Prince William Cannons, Carolina League (High-A) - 1 game 7-Aug
- 2001: Chicago Cubs, Major League Baseball - 1 game 29-Jul
- Chris Machamer (pitcher, b. 1997, Ohio)
- 2019: Greenville Drive, South Atlantic League (Low-A) - 1 game 30-Apr
- Rafael Machette (infielder, b. 1989, Texas)
- 2020: California Dogecoin, Liberation League (independent) - 1 game 23-Sep
- Jean Machi (pitcher, b. 1982, Pennsylvania)
- 2013: San Francisco Giants, Major League Baseball - 1 game 28-Aug
- Vimael Machin (infielder, b. 1993, Puerto Rico)
- 2015: South Bend Cubs, Midwest League (Low-A) - 1 game 26-Aug
- 2022: Caguas Criollos, Liga Clemente (winter) - 1 game 3-Dec
- Wanell Macia (outfielder, then pitcher, b. 1982, Dominican Republic)
- 2003: GCL Pirates, Gulf Coast League (rookie) - 2 games 26-Aug 27-Aug
- David Macias (utility, b. 1986, Texas)
- 2011: Tennessee Smokies, Southern League (AA) - 1 game 12-Aug
- Drew Macias (outfielder, b. 1983, California)
- 2007: San Antonio Missions, Texas League (AA) - 1 game 15-Aug
- 2008: San Diego Padres, Major League Baseball - 2 games 20-Sep 21-Sep
- Fabricio Macias (outfielder, b. 1998, Mexico)
- 2019: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 1-May
- Jose Macias (utility, b. 1972, Panama)
- 1996: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 25-Jul
- 1998: Jacksonville Suns, Southern League (AA) - 1 game 27-Aug
- 2000: Detroit Tigers, Major League Baseball - 2 games 22-Jul day 25-Sep
- 2003: Montreal Expos, Major League Baseball - 1 game 6-Sep
- 2004: Chicago Cubs, Major League Baseball - 1 game 24-Sep
- Lorenzo Macias (outfielder, b. 1985, Florida)
- 2006: Vancouver Canadians, Northwest League (short-season) - 1 game 22-Aug
- Gabriel Maciel (outfielder, b. 1999, Brazil)
- 2016: Brazil, World Baseball Classic - 1 game 24-Sep
- 2018: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 6-Aug
- 2019: Fort Myers Miracle, Florida State League (High-A) - 3 games 20-Aug 28-Aug g1 28-Aug g2
- Willie MacIver (catcher, b. 1996, California)
- 2019: Asheville Tourists, South Atlantic League (Low-A) - 1 game 28-May
- 2021: Salt River Rafters, Arizona Fall League - 2 games 19-Oct 21-Oct
- Antonio Mack (outfielder, b. 1979, Florida)
- 2000: Bluefield Orioles, Appalachian League (rookie) - 1 game 5-Aug g2
- Charles Mack (catcher, b. 1999, New York)
- DeAngelo Mack (outfielder, b. 1986, California)
- 2009: Staten Island Yankees, New York-Penn League (short-season) - 3 games 20-Jul 9-Sep 14-Sep
- 2011: Trenton Thunder, Eastern League (AA) - 1 game 3-Aug
- Joe Mack (catcher, b. 2002, New York)
- 2022: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 20-Aug
- 2022: Mesa Solar Sox, Arizona Fall League - 3 games 12-Oct 14-Oct 15-Oct
- 2023: Beloit Sky Carp, Midwest League (High-A) - 2 games 25-Jun g1 25-Jun g2
- 2024: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Jun
- Quinn Mack (outfielder, b. 1965, California)
- 1992: Indianapolis Indians, American Association (AAA) - 1 game 9-Aug
- Quinnton Mack (outfielder, b. 1992, California)
- 2015: Kane County Cougars, Midwest League (Low-A) - 2 games 29-Aug g2 3-Sep
- 2016: Rockland Boulders, Can-Am League (independent) - 3 games 9-Aug 12-Sep 17-Sep
- Shane Mack (outfielder, b. 1963, California)
- 1992: Minnesota Twins, American League (MLB) - 1 game 12-Aug
- Tripp MacKay (infielder, b. 1973, Mississippi)
- 1996: Vermont Expos, New York-Penn League (short-season) - 1 game 7-Jul
- David MacKinnon (first baseman, b. 1994, Massachusetts)
- 2018: Inland Empire 66ers, California League (High-A) - 2 games 10-Aug 12-Aug
- 2018: Mesa Solar Sox, Arizona Fall League - 1 game 9-Nov
- 2021: Rocket City Trash Pandas, Double-A South - 2 games 23-Jul 5-Aug
- Jason Mackintosh (pitcher, b. 1980, Utah)
- 2008: Reading Phillies, Eastern League (AA) - 1 game 1-Sep
- Adam Macko (pitcher, b. 2000, Slovakia)
- 2022: Peoria Javelinas, Arizona Fall League - 1 game 12-Oct
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 1 game 24-Aug
- Jeff Mackor (catcher, b. 1980, Massachusetts)
- 2002: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 7-Jul
- Rob Mackowiak (utility, b. 1976, Illinois)
- 1999: Altoona Curve, Eastern League (AA) - 1 game 1-Aug
- 2003: Pittsburgh Pirates, Major League Baseball - 1 game 24-Sep
- 2004: Pittsburgh Pirates, Major League Baseball - 1 game 8-Aug
- 2006: Chicago White Sox, Major League Baseball - 1 game 30-Jul
- 2009: Newark Bears, Atlantic League (independent) - 6 games 16-Jul 12-Aug 31-Aug 25-Sep 26-Sep 27-Sep
- Cole MacLaren (catcher, b. 1997, Prince Edward Island)
- 2019: Lakeland Flying Tigers, Florida State League (High-A) - 2 games 23-Aug g2 25-Aug g2
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 8-May
- John MacLeod (catcher, b. 1981, Michigan)
- 2006: Atlantic City Surf, Atlantic League (independent) - 2 games 2-Jul 16-Jul
- Kevin MacLeod (pitcher, b. 1965)
- 1990: Hamilton Redbirds, New York-Penn League (short-season) - 1 game 16-Aug
- Lonnie Maclin (outfielder, b. 1967, Missouri)
- 1993: St. Louis Cardinals, National League (MLB) - 1 game 30-Sep
- Mike MacMillan (infielder, b. 1984, New York)
- 2008: Worcester Tornadoes, Can-Am League (independent) - 1 game 18-Jul
- 2009: Worcester Tornadoes, Can-Am League (independent) - 2 games 1-Sep 3-Sep
- Elijah MacNamee (outfielder, b. 1996, Pennsylvania)
- 2022: Evansville Otters, Frontier League (independent) - 1 game 5-Jul
- Zack MacPhee (utility, b. 1990, Arizona)
- 2014: Camden Riversharks, Atlantic League (independent) - 2 games 2-Aug day 7-Aug
- 2015: Camden Riversharks, Atlantic League (independent) - 1 game 13-Aug
- Scott MacRae (pitcher, b. 1974, Michigan)
- 2001: Cincinnati Reds, Major League Baseball - 1 game 19-Aug
- Robert MaCrory (infielder, b. 1975, Alabama)
- 1997: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 27-Jun 4-Aug
- Angel Macuare (pitcher, b. 2000, Venezuela)
- 2021: Glendale Desert Dogs, Arizona Fall League - 1 game 18-Oct
- Corey Madden (pitcher, b. 1984, Alaska)
- 2007: Jamestown Jammers, New York-Penn League (short-season) - 1 game 4-Aug
- Craig Maddox (catcher/first base, b. 1985, Georgia)
- 2008: New Jersey Jackals, Can-Am League (independent) - 2 games 5-Jul 17-Aug
- 2010: Worcester Tornadoes, Can-Am League (independent) - 1 game 13-Aug g2
- 2016: New Britain Bees, Atlantic League (independent) - 1 game 24-Jul
- Dusty Maddox (outfielder, b. 1980)
- 2006: Atlantic City Surf, Atlantic League (independent) - 1 game 2-Jul
- Elliott Maddox (outfielder, b. 1947, New Jersey)
- 1974: New York Yankees, American League (MLB) - 1 game 25-Apr
- Garry Maddox (outfielder, b. 1949, Ohio)
- 1981: Philadelphia Phillies, National League (MLB) - 1 game 14-Aug
- 1982: Philadelphia Phillies, National League (MLB) - 1 game 13-Apr
- Garry Maddox (outfielder, b. 1974, California)
- Marc Maddox (infielder, b. 1983, Mississippi)
- 2007: Wilmington Blue Rocks, Carolina League (High-A) - 2 games 29-Jul 25-Aug
- 2008: Northwest Arkansas Naturals, Texas League (AA) - 1 game 11-Aug
- Will Maddox (infielder, b. 1992, Georgia)
- 2017: Lakeland Flying Tigers, Florida State League (High-A) - 1 game 28-May
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 1 game 3-May
- Greg Maddux (pitcher, b. 1966, Texas)
- 2003: Atlanta Braves, Major League Baseball - 1 game 28-Sep
- 2008: San Diego Padres, Major League Baseball - 1 game 28-Jul
- Mike Maddux (pitcher, b. 1961, Ohio)
- 1993: New York Mets, National League (MLB) - 2 games 24-Aug 28-Sep
- 1994: New York Mets, National League (MLB) - 2 games 16-Apr 17-Jul
- 1998: Montreal Expos, National League (MLB) - 3 games 9-Jul 18-Jul 23-Sep
- Alejandro Made (pitcher, b. 1997, Dominican Republic)
- Edgar Made (infielder, b. 1999, Dominican Republic)
- Luis Made (pitcher, b. 1982, Dominican Republic)
- 2001: Princeton Devil Rays, Appalachian League (rookie) - 1 game 5-Aug
- Josh Mader (infielder, b. 1983, New Mexico)
- 2004: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 3-Aug
- Sandy Madera (catcher/first base, b. 1980, Dominican Republic)
- Luis Madero (pitcher, b. 1997, Venezuela)
- 2021: Jacksonville Jumbo Shrimp, Triple-A East - 1 game 11-Aug
- 2021: Miami Marlins, Major League Baseball - 1 game 30-Sep
- Carlos Madrid (infielder, b. 1983)
- 2008: Reno Silver Sox, Golden League (independent) - 1 game 31-Jul
- Mike Madrid (first baseman, b. 1980, New Mexico)
- 2005: River City Rascals, Frontier League (independent) - 1 game 6-Aug
- Nick Madrigal (infielder, b. 1997, California)
- 2018: Winston-Salem Dash, Carolina League (High-A) - 1 game 1-Sep
- 2019: Winston-Salem Dash, Carolina League (High-A) - 1 game 2-May
- 2019: Birmingham Barons, Southern League (AA) - 1 game 27-Jul
- Victor Madrigal (pitcher, b. 1972)
- 1993: Asheville Tourists, South Atlantic League (Low-A) - 1 game 19-Aug
- Bligh Madris (first base/outfield, b. 1996, Nevada)
- 2022: Durham Bulls, International League (AAA) - 1 game 23-Sep
- Bryce Madron (outfielder, b. 2001, Oklahoma)
- 2024: Palm Beach Cardinals, Florida State League (Low-A) - 2 games 28-Aug g1 15-Sep
- Lance Madsen (utility, b. 1968)
- 1993: Jackson Generals, Texas League (AA) - 2 games 14-Aug 16-Aug
- Mike Madsen (pitcher, b. 1982, Ohio)
- 2010: Camden Riversharks, Atlantic League (independent) - 1 game 15-Aug
- Ryan Madson (pitcher, b. 1980, California)
- 2003: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 15-Aug
- 2004: Philadelphia Phillies, Major League Baseball - 2 games 17-Jun 11-Sep
- 2005: Philadelphia Phillies, Major League Baseball - 1 game 28-Sep
- 2006: Philadelphia Phillies, Major League Baseball - 1 game 30-Jul
- 2008: Philadelphia Phillies, Major League Baseball - 1 game 6-Jul
- 2009: Philadelphia Phillies, Major League Baseball - 1 game 29-Sep
- 2011: Philadelphia Phillies, Major League Baseball - 2 games 30-May 23-Jul
- 2015: Kansas City Royals, Major League Baseball - 1 game 31-Oct
- 2017: Oakland Athletics, Major League Baseball - 1 game 26-May
- 2018: Washington Nationals, Major League Baseball - 2 games 4-Jul 15-Jul
- Calvin Maduro (pitcher, b. 1974, Aruba)
- 1996: Philadelphia Phillies, National League (MLB) - 1 game 28-Sep
- 2003: Newark Bears, Atlantic League (independent) - 1 game 20-Aug
- 2005: Trenton Thunder, Eastern League (AA) - 1 game 10-Sep
- Jorge Maduro (catcher, b. 1981, Florida)
- Katsuhiro Maeda (pitcher, b. 1971, Japan)
- 1998: Norwich Navigators, Eastern League (AA) - 1 game 2-Aug
- 1999: Norwich Navigators, Eastern League (AA) - 1 game 29-Apr
- Kenta Maeda (pitcher, b. 1988, Japan)
- 2018: Los Angeles Dodgers, Major League Baseball - 1 game 20-Aug
- 2023: Minnesota Twins, Major League Baseball - 1 game 4-Apr
- Pete Maestrales (infielder, b. 1979, Florida)
- Travis Maezes (infielder, b. 1993, Michigan)
- 2017: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 11-Jun
- Justin Maffei (outfielder, b. 1981, California)
- 2013: Jamestown Jammers, New York-Penn League (short-season) - 1 game 16-Aug
- Dave Magadan (infielder, b. 1962, Florida)
- 1990: New York Mets, National League (MLB) - 1 game 9-Sep
- 1991: New York Mets, National League (MLB) - 1 game 6-Sep
- 1992: New York Mets, National League (MLB) - 1 game 22-Apr
- 1993: Seattle Mariners, American League (MLB) - 1 game 21-Aug
- 1997: Oakland Athletics, American League (MLB) - 2 games 29-Aug 1-Sep
- Ricky Magdaleno (infielder, b. 1974, California; d. 2016, California)
- 1993: Charleston Wheelers, South Atlantic League (Low-A) - 1 game 19-Aug
- 1994: Winston-Salem Spirits, Carolina League (High-A) - 1 game 4-Aug
- Danny Magee (infielder, b. 1974, Louisiana)
- 1996: Durham Bulls, Carolina League (High-A) - 1 game 28-Aug
- Wendell Magee (outfielder, b. 1972, Mississippi)
- 1995: Reading Phillies, Eastern League (AA) - 2 games 9-Sep 12-Sep
- 1996: Reading Phillies, Eastern League (AA) - 1 game 5-Apr
- 1996: Philadelphia Phillies, National League (MLB) - 3 games 21-Sep 28-Sep 29-Sep
- 1997: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 20-Jul
- 1998: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 14-Aug
- 1998: Philadelphia Phillies, National League (MLB) - 1 game 20-Sep
- 2000: Detroit Tigers, Major League Baseball - 1 game 25-Sep
- 2004: Long Island Ducks, Atlantic League (independent) - 1 game 9-May
- Matthew Magers (pitcher, b. 1976, Minnesota)
- 1997: Williamsport Cubs, New York-Penn League (short-season) - 1 game 19-Jul
- Zach Maggard (catcher, b. 1988, Florida)
- 2011: Connecticut Tigers, New York-Penn League (short-season) - 1 game 21-Aug
- Drew Maggi (utility, b. 1989, Arizona)
- 2015: Arkansas Travelers, Texas League (AA) - 1 game 30-Jul
- Matt Magill (pitcher, b. 1989, California)
- 2014: Glendale Desert Dogs, Arizona Fall League - 1 game 9-Oct
- Marc Magliaro (pitcher, b. 1990, New Jersey)
- 2018: Hartford Yard Goats, Eastern League (AA) - 1 game 25-Jul
- Johnny Magliozzi (pitcher, b. 1991, Massachusetts)
- 2016: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 3-Sep
- Mike Magnante (pitcher, b. 1965, California)
- 1992: Kansas City Royals, American League (MLB) - 1 game 17-Aug
- 1998: Houston Astros, National League (MLB) - 1 game 6-Sep
- Damien Magnifico (pitcher, b. 1991, Texas)
- 2015: Biloxi Shuckers, Southern League (AA) - 1 game 29-Jul
- 2019: Jackson Generals, Southern League (AA) - 1 game 26-Jul
- Andrew Magno (pitcher, b. 1998, California)
- 2021: Lakeland Flying Tigers, Low-A Southeast - 2 games 12-Aug 31-Aug
- 2023: Erie SeaWolves, Eastern League (AA) - 1 game 26-Sep
- Trystan Magnuson (pitcher, b. 1985, British Columbia)
- 2010: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 9-Sep
- Jim Magrane (pitcher, b. 1978, Iowa)
- 2007: Harrisburg Senators, Eastern League (AA) - 1 game 6-Apr
- 2008: Somerset Patriots, Atlantic League (independent) - 1 game 18-Sep
- 2009: Somerset Patriots, Atlantic League (independent) - 2 games 30-Aug 1-Oct
- Joe Magri (pitcher, b. 1979, New York)
- 2002: Adirondack Lumberjacks, Northeast League (independent) - 1 game 9-Sep
- Paul Magrini (pitcher, b. 1973, New Jersey)
- 1998: New Jersey Jackals, Northeast League (independent) - 1 game 3-Jul
- Chris Magruder (outfielder, b. 1977, Washington)
- 2000: Shreveport Captains, Texas League (AA) - 1 game 20-Aug
- Solomon Maguire (outfielder, b. 2003, Australia)
- Alan Mahaffey (pitcher, b. 1974, Oklahoma)
- 1998: New Britain Rock Cats, Eastern League (AA) - 1 game 17-Sep
- Kevin Mahala (infielder, b. 1994, New Jersey)
- 2016: West Virginia Black Bears, New York-Penn League (short-season) - 1 game 14-Aug
- John Mahalik (infielder, b. 1970, Texas)
- 1996: Binghamton Mets, Eastern League (AA) - 1 game 9-Aug
- 1997: Binghamton Mets, Eastern League (AA) - 1 game 3-Aug
- Dallas Mahan (pitcher, b. 1977, South Dakota)
- 2005: Worcester Tornadoes, Can-Am League (independent) - 2 games 30-Aug 31-Aug
- 2006: Worcester Tornadoes, Can-Am League (independent) - 1 game 3-Jun g1
- Riley Mahan (infielder, b. 1995, Ohio)
- 2019: Jupiter Hammerheads, Florida State League (High-A) - 2 games 15-May g1 15-May g2
- 2019: Jacksonville Jumbo Shrimp, Southern League (AA) - 1 game 10-Aug
- 2021: Pensacola Blue Wahoos, Double-A South - 1 game 12-May
- Kevin Mahar (outfielder, b. 1981, Michigan)
- 2009: Reading Phillies, Eastern League (AA) - 1 game 11-Apr
- 2010: Reading Phillies, Eastern League (AA) - 1 game 11-May
- Ron Mahay (pitcher, b. 1971, Illinois)
- 1995: Trenton Thunder, Eastern League (AA) - 2 games 3-Jul 19-Aug
- 1997: Boston Red Sox, American League (MLB) - 1 game 27-Jul
- Caleb Maher (first base/outfield, b. 1983, California)
- 2003: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 30-Jul
- Greg Mahle (pitcher, b. 1993, California)
- 2019: Mobile BayBears, Southern League (AA) - 1 game 28-Jul
- Paul Maholm (pitcher, b. 1982, Mississippi)
- 2010: Pittsburgh Pirates, Major League Baseball - 1 game 15-Sep
- Pat Mahomes (pitcher, b. 1970, Texas)
- 1995: Minnesota Twins, American League (MLB) - 1 game 7-Aug
- 1999: New York Mets, National League (MLB) - 1 game 3-Sep
- 2000: New York Mets, Major League Baseball - 1 game 26-Sep
- 2004: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 9-Apr
- Reid Mahon (pitcher, b. 1983, Minnesota)
- 2009: Reno Aces, Pacific Coast League (AAA) - 1 game 15-Aug
- Collin Mahoney (pitcher, b. 1982, New York)
- 2004: Oneonta Tigers, New York-Penn League (short-season) - 1 game 26-Aug
- Joe Mahoney (first baseman, b. 1987, New York)
- 2009: Frederick Keys, Carolina League (High-A) - 1 game 7-Sep
- 2009: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 10-Apr
- 2012: Norfolk Tides, International League (AAA) - 1 game 2-Sep
- 2013: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 21-Jul
- Kevin Mahoney (infielder, b. 1987, New York)
- 2012: Trenton Thunder, Eastern League (AA) - 1 game 15-Sep
- Kolton Mahoney (pitcher, b. 1992, Utah)
- 2015: Staten Island Yankees, New York-Penn League (short-season) - 1 game 12-Aug
- Mike Mahoney (catcher, b. 1972, Iowa)
- 1996: Durham Bulls, Carolina League (High-A) - 1 game 28-Aug
- 2004: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 9-Aug
- 2005: St. Louis Cardinals, Major League Baseball - 1 game 6-Aug
- Spencer Mahoney (infielder, b. 1993)
- 2015: Gary Southshore RailCats, American Association (independent) - 2 games 1-Sep 6-Sep
- Dan Mahony (catcher, b. 1969)
- 1991: Erie Sailors, New York-Penn League (short-season) - 1 game 11-Aug
- Mikie Mahtook (outfielder, b. 1989, Louisiana)
- 2016: Tampa Bay Rays, Major League Baseball - 2 games 13-Aug 25-Aug
- 2016: Durham Bulls, International League (AAA) - 1 game 1-Sep
- 2017: Detroit Tigers, Major League Baseball - 1 game 2-Sep
- 2018: Detroit Tigers, Major League Baseball - 1 game 19-Sep
- 2021: Charlotte Knights, Triple-A East - 1 game 11-Aug
- Mitch Maier (outfielder, b. 1982, Michigan)
- 2009: Kansas City Royals, Major League Baseball - 1 game 28-Sep
- 2011: Kansas City Royals, Major League Baseball - 1 game 4-Sep
- Taber Maier (infielder, b. 1975, Iran)
- 1997: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 4-Aug
- 2000: Arkansas Travelers, Texas League (AA) - 1 game 21-Aug
- Luke Maile (catcher/first base, b. 1991, Kentucky)
- 2012: Hudson Valley Renegades, New York-Penn League (short-season) - 3 games 9-Sep 12-Sep 13-Sep
- 2016: Tampa Bay Rays, Major League Baseball - 2 games 13-Aug 25-Aug
- 2022: Cleveland Guardians, Major League Baseball - 2 games 30-Jul 28-Sep
- Kevin Mailloux (infielder, b. 1986, Ontario)
- 2009: AZL Mariners, Arizona League (rookie) - 1 game 25-Aug
- John Maine (pitcher, b. 1981, Virginia)
- 2007: New York Mets, Major League Baseball - 1 game 23-Apr
- 2009: New York Mets, Major League Baseball - 1 game 20-Sep
- 2012: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 3-Jul
- Scott Maine (pitcher, b. 1985, Florida)
- 2009: Reno Aces, Pacific Coast League (AAA) - 1 game 22-Aug
- Oswaldo Mairena (pitcher, b. 1975, Nicaragua)
- 1997: Greensboro Bats, South Atlantic League (Low-A) - 1 game 15-Aug
- 1999: Norwich Navigators, Eastern League (AA) - 1 game 13-Sep
- 2002: Calgary Cannons, Pacific Coast League (AAA) - 1 game 7-Aug
- 2002: Florida Marlins, Major League Baseball - 1 game 3-Sep g2
- Greg Maisto (pitcher, b. 1994, Texas)
- 2017: Bowling Green Hot Rods, Midwest League (Low-A) - 1 game 21-Aug
- Angel Maita (outfielder, b. 2001, Venezuela)
- 2019: GCL Red Sox, Gulf Coast League (rookie) - 1 game 21-Aug g1
- Kevin Maitan (infielder, b. 2000, Venezuela)
- 2017: Danville Braves, Appalachian League (rookie) - 1 game 28-Aug
- 2022: Rocket City Trash Pandas, Southern League (AA) - 1 game 6-Aug
- Jameson Maj (pitcher, b. 1985, Texas)
- 2008: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 16-Jul
- Matt Majcherek (infielder, b. 1974, Illinois)
- 1996: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 4-Jul 7-Jul
- Dustin Majewski (outfielder, b. 1981, Texas)
- 2008: Frisco Roughriders, Texas League (AA) - 1 game 11-Aug
- Gary Majewski (pitcher, b. 1980, Texas)
- 2004: Montreal Expos, Major League Baseball - 1 game 2-Oct
- 2005: Washington Nationals, Major League Baseball - 1 game 14-Sep
- 2009: Lehigh Valley IronPigs, International League (AAA) - 1 game 12-Apr
- 2012: Sugar Land Skeeters, Atlantic League (independent) - 2 games 25-Jul 26-Jul
- Val Majewski (outfielder, b. 1981, New Jersey)
- 2002: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 25-Jul
- 2007: Bowie Baysox, Eastern League (AA) - 1 game 6-Apr
- 2008: Newark Bears, Atlantic League (independent) - 1 game 19-Jun
- 2011: Round Rock Express, Pacific Coast League (AAA) - 1 game 1-Sep
- Ryan Major (outfielder, b. 2000, California)
- 2024: Great Falls Voyagers, Pioneer League (independent) - 2 games 6-Jul 7-Jul
- Alex Makarewich (pitcher, b. 2002, California)
- 2024: Glendale Desert Dogs, Arizona Fall League - 1 game 11-Oct
- Alec Makarewicz (infielder, b. 2000, Florida)
- 2024: Kannapolis Cannon Ballers, Carolina League (Low-A) - 1 game 11-Aug g1
- Scott Makarewicz (catcher, b. 1967, Michigan)
- 1993: Jackson Generals, Texas League (AA) - 1 game 14-Aug
- 1997: Toledo Mud Hens, International League (AAA) - 1 game 24-Aug
- Kazuhisa Makita (pitcher, b. 1984, Japan)
- 2019: El Paso Chihuahuas, Pacific Coast League (AAA) - 1 game 12-Jul
- Destan Makonnen (first base/outfield, b. 1985)
- 2009: Kalamazoo Kings, Frontier League (independent) - 2 games 25-Jul 27-Jul
- Carl Makowsky (pitcher, b. 1979, Texas)
- 2005: Shreveport Sports, Central League (independent) - 1 game 16-Aug
- Mike Maksudian (infielder, b. 1966, Illinois)
- 1992: Syracuse Chiefs, International League (AAA) - 1 game 19-Aug
- Jaime Malave (catcher, b. 1975, Puerto Rico)
- 1997: Savannah Sand Gnats, South Atlantic League (Low-A) - 2 games 12-Aug g1 12-Aug g2
- 1999: Waterbury Spirit, Northeast League (independent) - 1 game 20-Jun
- 1999: Harrisburg Senators, Eastern League (AA) - 1 game 6-Sep
- Jose Malave (outfielder, b. 1971, Venezuela)
- 1992: Elmira Pioneers, New York-Penn League (short-season) - 1 game 9-Aug g2
- 1995: Pawtucket Red Sox, International League (AAA) - 3 games 30-Jul 4-Aug 2-Sep
- 1999: Carolina Mudcats, Southern League (AA) - 1 game 12-Aug
- 2000: Nashua Pride, Atlantic League (independent) - 6 games 2-Jul g1 2-Jul g2 3-Jul 6-Sep 14-Sep 27-Sep
- 2001: Nashua Pride, Atlantic League (independent) - 2 games 3-Sep 22-Sep
- Stephen Malcolm (utility, b. 1990, California)
- 2012: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 21-Aug
- Andy Maldonado (pitcher, b. 2002, Dominican Republic)
- 2023: FCL Pirates, Florida Complex League (rookie) - 1 game 9-Jun
- Anthony Maldonado (pitcher, b. 1998, Florida)
- 2021: Pensacola Blue Wahoos, Double-A South - 1 game 12-May
- 2022: Jacksonville Jumbo Shrimp, International League (AAA) - 1 game 22-Sep
- 2024: Jacksonville Jumbo Shrimp, International League (AAA) - 2 games 21-Apr 19-Jun
- Brahiam Maldonado (outfielder, b. 1985, Puerto Rico)
- 2011: Binghamton Mets, Eastern League (AA) - 2 games 20-Aug 27-Aug
- 2012: Chattanooga Lookouts, Southern League (AA) - 1 game 12-Aug
- Candy Maldonado (outfielder, b. 1960, Puerto Rico)
- 1990: Cleveland Indians, American League (MLB) - 1 game 13-Aug
- 1992: Toronto Blue Jays, American League (MLB) - 1 game 27-Sep
- 1993: Cleveland Indians, American League (MLB) - 2 games 4-Sep 11-Sep
- 1994: Cleveland Indians, American League (MLB) - 2 games 4-Jul 31-Jul
- Carlos Maldonado (catcher, b. 1979, Venezuela)
- 2000: Round Rock Express, Texas League (AA) - 1 game 24-Aug
- 2005: Altoona Curve, Eastern League (AA) - 1 game 2-Jul
- 2010: Syracuse Chiefs, International League (AAA) - 1 game 30-Jul
- 2011: Syracuse Chiefs, International League (AAA) - 1 game 23-Apr g2
- Edwin Maldonado (infielder, b. 1979, Puerto Rico)
- 2004: Coastal Bend Aviators, Central League (independent) - 1 game 3-Jul
- 2005: Coastal Bend Aviators, Central League (independent) - 1 game 18-Aug
- 2007: Laredo Broncos, United League (independent) - 2 games 10-Aug 13-Aug
- 2008: Grand Prairie AirHogs, American Association (independent) - 1 game 12-Aug
- Esteban Maldonado (pitcher, b. 1975, Puerto Rico)
- 1996: Auburn Doubledays, New York-Penn League (short-season) - 1 game 15-Aug
- 2002: Road Warriors, Atlantic League (independent) - 1 game 21-Jul
- Jay Maldonado (pitcher, b. 1973, Texas)
- 1998: Nashua Pride, Atlantic League (independent) - 1 game 4-Jul
- Kelvin Maldonado (infielder, b. 2000, Puerto Rico)
- 2019: Great Falls Voyagers, Pioneer League (rookie) - 1 game 4-Jul
- Martin Maldonado (catcher, b. 1986, Puerto Rico)
- 2017: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 21-Jun
- 2018: Houston Astros, Major League Baseball - 1 game 29-Sep g1
- 2021: Houston Astros, Major League Baseball - 2 games 2-May 14-Sep
- 2022: Houston Astros, Major League Baseball - 2 games 20-Sep 21-Sep
- 2023: Houston Astros, Major League Baseball - 1 game 24-Apr
- 2024: Chicago White Sox, Major League Baseball - 1 game 8-May
- Nelson Maldonado (first baseman, b. 1996, Illinois)
- 2021: Tennessee Smokies, Double-A South - 1 game 23-Jul
- Nick Maldonado (pitcher, b. 2000, New Jersey)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 1-Aug
- Chris Malec (infielder, b. 1982, California)
- 2008: Trenton Thunder, Eastern League (AA) - 2 games 3-Sep 14-Sep
- 2009: Trenton Thunder, Eastern League (AA) - 1 game 8-Apr
- 2010: Camden Riversharks, Atlantic League (independent) - 1 game 15-Aug
- Bobby Malek (outfielder, b. 1981, Michigan)
- 2003: St. Lucie Mets, Florida State League (High-A) - 2 games 24-Aug g1 24-Aug g2
- 2004: Binghamton Mets, Eastern League (AA) - 1 game 6-Sep
- 2007: Bridgeport Bluefish, Atlantic League (independent) - 1 game 14-Sep
- Tom Maleski (catcher, b. 1977)
- 1995: Williamsport Cubs, New York-Penn League (short-season) - 2 games 25-Jun 20-Aug
- Ben Malgeri (outfielder, b. 2000, New Hampshire)
- 2021: Lakeland Flying Tigers, Low-A Southeast - 2 games 12-Aug 31-Aug
- 2023: Erie SeaWolves, Eastern League (AA) - 1 game 26-Sep
- Chris Malinoski (infielder, b. 1968, Virginia)
- 1992: Harrisburg Senators, Eastern League (AA) - 1 game 7-Aug
- 1994: Portland Sea Dogs, Eastern League (AA) - 1 game 24-Jul
- Kevin Malisheski (pitcher, b. 1997, Illinois)
- 2019: Ogden Raptors, Pioneer League (rookie) - 1 game 6-Jul
- Bryan Malko (pitcher, b. 1977, South Carolina)
- 2002: Newark Bears, Atlantic League (independent) - 2 games 13-Sep 17-Sep
- 2004: Somerset Patriots, Atlantic League (independent) - 2 games 22-May 30-Jul
- Randi Mallard (pitcher, b. 1975, Florida)
- 2002: Atlantic City Surf, Atlantic League (independent) - 2 games 17-Sep 19-Sep
- Alexander Malleta (first baseman, b. 1977, Cuba)
- Brian Mallette (pitcher, b. 1975, Georgia)
- 1998: Beloit Snappers, Midwest League (Low-A) - 1 game 19-Aug
- Rob Mallicoat (pitcher, b. 1964, Oregon)
- 1992: Houston Astros, National League (MLB) - 1 game 5-Sep
- Andrew Mallory (pitcher, b. 1976, Florida)
- 1998: Rockford Cubbies, Midwest League (Low-A) - 1 game 19-Aug
- Mike Mallory (outfielder, b. 1980, Virginia)
- 2003: Daytona Cubs, Florida State League (High-A) - 2 games 26-Aug 27-Aug
- Justyn-Henry Malloy (utility, b. 2000, New York)
- 2022: Rome Braves, South Atlantic League (High-A) - 1 game 4-Jul
- 2022: Mississippi Braves, Southern League (AA) - 1 game 4-Aug
- 2022: Scottsdale Scorpions, Arizona Fall League - 2 games 12-Oct 15-Oct
- 2024: Detroit Tigers, Major League Baseball - 2 games 17-Jun 26-Sep
- Marty Malloy (infielder, b. 1972, Florida)
- 1997: Richmond Braves, International League (AAA) - 1 game 20-Jul
- Brad Malm (infielder, b. 1999, New York)
- 2022: St. Lucie Mets, Florida State League (Low-A) - 1 game 18-Sep
- Jeff Malm (first base/outfield, b. 1990, Nevada)
- 2011: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 18-Aug
- Jonathan Malo (infielder, b. 1983, Quebec)
- 2005: Brooklyn Cyclones, New York-Penn League (short-season) - 3 games 27-Jun 29-Jun 4-Aug
- 2011: Buffalo Bisons, International League (AAA) - 1 game 3-Jul
- 2011: Binghamton Mets, Eastern League (AA) - 2 games 20-Aug 27-Aug
- 2012: Quebec Les Capitales, Can-Am League (independent) - 2 games 25-Jun 10-Sep
- 2013: Quebec Les Capitales, Can-Am League (independent) - 3 games 9-Aug 6-Sep 7-Sep
- 2014: Quebec Les Capitales, Can-Am League (independent) - 1 game 4-Aug
- 2015: Quebec Les Capitales, Can-Am League (independent) - 4 games 14-Aug 21-Aug 9-Sep 11-Sep
- 2016: Quebec Les Capitales, Can-Am League (independent) - 4 games 15-Aug 17-Aug g1 17-Aug g2 12-Sep
- Billy Malone (outfielder, b. 1978, Illinois)
- 2003: North Shore Spirit, Northeast League (independent) - 1 game 21-Jul
- Devin Malone (pitcher, b. 1991, Mississippi)
- 2021: Garden City Wind, Pecos League (independent) - 1 game 21-Jul
- Eddie Malone (outfielder, b. unknown)
- 2014: Santa Fe Fuego, Pecos League (independent) - 1 game 21-Jul
- Marvin Malone (outfielder, b. 1995, Wyoming)
- 2018: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 18-Jun 9-Sep
- Ryne Malone (infielder, b. 1985, Iowa)
- 2006: Peoria Chiefs, Midwest League (Low-A) - 1 game 7-Aug
- Joe Maloney (utility, b. 1990, Pennsylvania)
- 2013: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 25-May
- 2014: Rockland Boulders, Can-Am League (independent) - 4 games 1-Aug 8-Aug 11-Aug 3-Sep
- 2015: Rockland Boulders, Can-Am League (independent) - 2 games 2-Aug 18-Aug
- 2016: Fort Myers Miracle, Florida State League (High-A) - 1 game 27-Aug
- 2017: Rockland Boulders, Can-Am League (independent) - 6 games 8-Aug 10-Aug 14-Aug 17-Aug 7-Sep 10-Sep
- 2017: Somerset Patriots, Atlantic League (independent) - 2 games 17-Sep 22-Sep
- Matt Maloney (pitcher, b. 1984, Ohio)
- 2006: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 15-Sep
- 2007: Reading Phillies, Eastern League (AA) - 1 game 6-Apr
- Tom Maloney (first base/outfield, b. 1988)
- Martin Malpica (infielder, b. 1979, Venezuela)
- 2000: Queens Kings, New York-Penn League (short-season) - 1 game 9-Sep
- Austin Maltby (catcher/first base, b. 1995)
- 2019: Roswell Invaders, Pecos League (independent) - 2 games 9-Jul 13-Jul
- Sean Manaea (pitcher, b. 1992, Indiana)
- 2017: Oakland Athletics, Major League Baseball - 1 game 26-May
- 2024: New York Mets, Major League Baseball - 2 games 5-Aug 27-Sep
- Anthony Manahan (infielder, b. 1968, New Jersey)
- 1995: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 30-Apr
- Joey Mancini (pitcher, b. 2000, Connecticut)
- 2024: Surprise Saguaros, Arizona Fall League - 1 game 12-Oct
- Trey Mancini (first base/outfield, b. 1992, Florida)
- 2015: Bowie Baysox, Eastern League (AA) - 2 games 3-Jul 22-Aug
- 2016: Norfolk Tides, International League (AAA) - 2 games 30-May 21-Aug
- 2017: Baltimore Orioles, Major League Baseball - 1 game 24-Sep
- 2018: Baltimore Orioles, Major League Baseball - 3 games 13-May 29-Sep g1 29-Sep g2
- 2019: Baltimore Orioles, Major League Baseball - 2 games 3-Sep g1 3-Sep g2
- 2021: Baltimore Orioles, Major League Baseball - 3 games 16-Aug 19-Aug 29-Sep
- 2022: Baltimore Orioles, Major League Baseball - 2 games 9-Apr 5-May
- 2022: Houston Astros, Major League Baseball - 3 games 19-Sep 20-Sep 21-Sep
- Jeff Mandel (pitcher, b. 1985, Texas)
- 2010: Syracuse Chiefs, International League (AAA) - 1 game 30-Jul
- 2011: Syracuse Chiefs, International League (AAA) - 1 game 20-Aug
- Yordan Manduley (infielder, b. 1986, Cuba)
- 2015: Quebec Les Capitales, Can-Am League (independent) - 3 games 14-Aug 9-Sep 11-Sep
- 2018: Quebec Les Capitales, Can-Am League (independent) - 2 games 5-Sep 14-Sep
- Scott Manea (catcher, b. 1995, Massachusetts)
- Dwight Maness (outfielder, b. 1974, Pennsylvania)
- 1994: Bakersfield Dodgers, California League (High-A) - 1 game 2-Sep
- 1996: Binghamton Mets, Eastern League (AA) - 2 games 9-Aug 25-Aug
- 1998: Trenton Thunder, Eastern League (AA) - 1 game 1-Jul
- 1999: Somerset Patriots, Atlantic League (independent) - 2 games 20-Jun 21-Jul
- 2000: New Haven Ravens, Eastern League (AA) - 2 games 8-Apr 8-Sep
- 2001: Camden Riversharks, Atlantic League (independent) - 1 game 7-Sep
- 2002: Camden Riversharks, Atlantic League (independent) - 1 game 6-Sep
- 2003: Camden Riversharks, Atlantic League (independent) - 3 games 28-May 25-Jul 17-Sep
- 2004: Camden Riversharks, Atlantic League (independent) - 7 games 19-Jun g1 19-Jun g2 17-Jul 18-Jul 24-Aug 29-Aug 26-Sep
- 2005: Camden Riversharks, Atlantic League (independent) - 2 games 24-Jun 18-Sep
- 2006: Camden Riversharks, Atlantic League (independent) - 1 game 16-Sep
- 2007: Camden Riversharks, Atlantic League (independent) - 2 games 3-Jul 31-Aug
- Nick Maness (pitcher, b. 1978, North Carolina)
- 2005: Newark Bears, Atlantic League (independent) - 1 game 24-Aug
- Seth Maness (pitcher, b. 1988, North Carolina)
- 2013: St. Louis Cardinals, Major League Baseball - 1 game 1-Sep
- 2015: St. Louis Cardinals, Major League Baseball - 1 game 1-Aug
- 2019: Nashville Sounds, Pacific Coast League (AAA) - 1 game 15-Jul
- Jared Mang (outfielder, b. 1996, New Mexico)
- 2019: GCL Tigers West, Gulf Coast League (rookie) - 2 games 28-Aug 29-Aug
- 2021: Southern Illinois Miners, Frontier League (independent) - 1 game 2-Jul
- 2022: Washington Wild Things, Frontier League (independent) - 1 game 13-Jul
- John Mangieri (pitcher, b. 1976, New York)
- 2004: Bangor Lumberjacks, Northeast League (independent) - 1 game 9-Sep
- Luke Mangieri (first baseman, b. 1996, Illinois)
- 2021: Southern Illinois Miners, Frontier League (independent) - 1 game 2-Jul
- Jarad Mangioni (outfielder, b. 1984, Australia)
- 2002: Medicine Hat Blue Jays, Pioneer League (rookie) - 1 game 4-Aug
- 2003: Auburn Doubledays, New York-Penn League (short-season) - 1 game 16-Aug
- Micah Mangrum (pitcher, b. 1977, California)
- 2003: Road Warriors, Atlantic League (independent) - 1 game 12-Sep g2
- Jake Mangum (outfielder, b. 1996, Mississippi)
- 2023: Jacksonville Jumbo Shrimp, International League (AAA) - 2 games 19-Apr 23-Sep
- Mark Mangum (pitcher, b. 1978, Texas)
- 1999: Cape Fear Crocs, South Atlantic League (Low-A) - 1 game 10-Aug
- Jim Manias (pitcher, b. 1974, New York)
- 2001: Chattanooga Lookouts, Southern League (AA) - 1 game 9-Aug
- Matt Maniscalco (infielder, b. 1981, Alabama)
- 2004: Bakersfield Blaze, California League (High-A) - 1 game 12-Aug
- Adam Manley (first base/outfield, b. 1978, Georgia)
- 2003: Frederick Keys, Carolina League (High-A) - 1 game 5-Apr
- Brandon Mann (pitcher, b. 1984, Washington)
- 2015: Fargo-Moorhead RedHawks, American Association (independent) - 1 game 15-Jul
- Derek Mann (infielder, b. 1978, Kentucky)
- 1999: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 11-Aug
- 2002: South Georgia Waves, South Atlantic League (Low-A) - 1 game 24-Aug
- Devin Mann (infielder, b. 1997, Indiana)
- 2019: Glendale Desert Dogs, Arizona Fall League - 2 games 16-Oct 19-Oct
- Jim Mann (pitcher, b. 1974, Massachusetts)
- 2005: Nashua Pride, Atlantic League (independent) - 1 game 2-Jul
- 2005: Portland Sea Dogs, Eastern League (AA) - 1 game 10-Sep
- Matt Mann (outfielder, b. 1979)
- 2005: Coastal Bend Aviators, Central League (independent) - 1 game 18-Aug
- Tyler Mann (first base/outfield, b. 1989, Virginia)
- 2009: Orem Owlz, Pioneer League (rookie) - 1 game 18-Aug
- Beau Manning (infielder, b. 1985)
- 2010: Florence Freedom, Frontier League (independent) - 1 game 3-Sep
- Charlie Manning (pitcher, b. 1979, Florida)
- 2005: Trenton Thunder, Eastern League (AA) - 1 game 10-Sep
- 2008: Washington Nationals, Major League Baseball - 2 games 27-Jul 20-Sep
- Henry Manning (catcher, b. 1968, New Jersey)
- 1995: Winnipeg Goldeyes, Northern League (independent) - 1 game 8-Aug
- Mike Manning (pitcher, b. 1977, Pennsylvania)
- 1999: Mahoning Valley Scrappers, New York-Penn League (short-season) - 2 games 28-Aug 10-Sep
- Kevin Mannix (pitcher, b. 1980, New York)
- 2008: Camden Riversharks, Atlantic League (independent) - 1 game 28-Sep
- 2010: Bridgeport Bluefish, Atlantic League (independent) - 1 game 2-Oct
- Alek Manoah (pitcher, b. 1998, Florida)
- 2021: Toronto Blue Jays, Major League Baseball - 1 game 21-Sep
- Julio Manon (pitcher, b. 1973, Dominican Republic)
- 1997: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 14-Aug
- 2006: Baltimore Orioles, Major League Baseball - 1 game 27-Sep
- 2008: Bowie Baysox, Eastern League (AA) - 1 game 4-Jul
- 2011: Bridgeport Bluefish, Atlantic League (independent) - 1 game 18-Sep
- Salomon Manriquez (catcher/first base, b. 1982, Venezuela)
- Jay Mansavage (infielder, b. 1975, Illinois)
- 1996: Auburn Doubledays, New York-Penn League (short-season) - 3 games 14-Aug 15-Aug 17-Aug
- Monte Mansfield (pitcher, b. 1981, California)
- 2005: Corpus Christi Hooks, Texas League (AA) - 1 game 4-Sep
- 2007: Atlantic City Surf, Can-Am League (independent) - 1 game 4-Jul
- 2008: St. George Roadrunners, Golden League (independent) - 1 game 30-Jul
- Jeff Manship (outfielder, b. 1970)
- 1993: Charleston Wheelers, South Atlantic League (Low-A) - 1 game 19-Aug
- Jeff Manship (pitcher, b. 1985, Texas)
- 2008: New Britain Rock Cats, Eastern League (AA) - 1 game 23-Aug
- 2010: Minnesota Twins, Major League Baseball - 1 game 2-Sep
- 2014: Lehigh Valley IronPigs, International League (AAA) - 1 game 17-Aug
- Tony Mansolino (infielder, b. 1982, California)
- 2007: Lynchburg Hillcats, Carolina League (High-A) - 1 game 25-Aug
- Michael Mantecon (catcher/first base, b. 2002, Cuba)
- 2021: FCL Orioles Black, Florida Complex League (rookie) - 1 game 24-Aug g1
- Matt Mantei (pitcher, b. 1973, Florida)
- 1997: Portland Sea Dogs, Eastern League (AA) - 1 game 19-Aug
- 1998: Florida Marlins, National League (MLB) - 1 game 18-Sep
- Joe Mantiply (pitcher, b. 1991, Virginia)
- 2021: Arizona Diamondbacks, Major League Baseball - 1 game 19-Jul
- Jeff Manto (infielder, b. 1964, Pennsylvania)
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- 1994: Rochester Red Wings, International League (AAA) - 1 game 12-Aug
- 1997: Cleveland Indians, American League (MLB) - 1 game 27-Aug
- 1998: Cleveland Indians, American League (MLB) - 1 game 9-Aug
- Anthony Manuel (infielder, b. 1982, California)
- 2006: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 26-Apr
- 2010: Pittsfield Colonials, Can-Am League (independent) - 2 games 31-May 10-Jun
- Barry Manuel (pitcher, b. 1965, Louisiana)
- 1995: Ottawa Lynx, International League (AAA) - 1 game 2-Sep
- 1996: Montreal Expos, National League (MLB) - 1 game 28-Jun
- Craig Manuel (catcher, b. 1990, Maryland)
- 2012: Auburn Doubledays, New York-Penn League (short-season) - 1 game 21-Jul
- Robert Manuel (pitcher, b. 1983, Texas)
- 2010: Pawtucket Red Sox, International League (AAA) - 1 game 29-May
- Dylan Manwaring (catcher, b. 1994, Arizona)
- 2017: Salem-Keizer Volcanoes, Northwest League (short-season) - 1 game 3-Aug
- Kirt Manwaring (catcher, b. 1965, New York)
- 1998: Colorado Rockies, National League (MLB) - 1 game 30-Apr
- Angel Manzanarez (infielder, b. 1997, Venezuela)
- 2016: GCL Mets, Gulf Coast League (rookie) - 1 game 29-Aug g1
- 2017: Kingsport Mets, Appalachian League (rookie) - 1 game 27-Aug
- 2018: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 15-Jun 1-Jul
- Pabel Manzanero (catcher/first base, b. 1996, Venezuela)
- 2019: Daytona Tortugas, Florida State League (High-A) - 1 game 23-Aug
- Ernesto Manzanillo (infielder, b. 1988, Dominican Republic)
- 2009: Jamestown Jammers, New York-Penn League (short-season) - 1 game 20-Jul
- Ervis Manzanillo (pitcher, b. 1991, Venezuela)
- 2011: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 24-Jul
- Kyle Manzardo (first baseman, b. 2000, Idaho)
- 2023: Durham Bulls, International League (AAA) - 2 games 9-May 6-Jun
- 2023: Peoria Javelinas, Arizona Fall League - 1 game 11-Oct
- 2024: Cleveland Guardians, Major League Baseball - 1 game 25-Sep
- Tommy Manzella (infielder, b. 1983, Louisiana)
- 2005: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 17-Jul
- 2007: Corpus Christi Hooks, Texas League (AA) - 1 game 8-Aug
- 2009: Round Rock Express, Pacific Coast League (AAA) - 1 game 15-Aug
- Clint Manzo (pitcher, b. unknown)
- 2014: Trinidad Triggers, Pecos League (independent) - 1 game 22-Jul
- Edgar Manzo (pitcher, b. 2000, Mexico)
- 2021: Palm Beach Cardinals, Low-A Southeast - 1 game 12-Aug
- 2022: Palm Beach Cardinals, Florida State League (Low-A) - 1 game 14-Jun
- Oneill Manzueta (outfielder, b. 2001, Dominican Republic)
- 2019: GCL Rays, Gulf Coast League (rookie) - 1 game 9-Aug
- 2022: Charleston RiverDogs, Carolina League (Low-A) - 1 game 22-Jun
- Tyler Mapes (pitcher, b. 1991, Texas)
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 2 games 15-Aug 29-Aug
- Chris Maples (infielder, b. 1979, North Carolina)
- 2002: Oneonta Tigers, New York-Penn League (short-season) - 1 game 12-Sep
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- 2006: Erie SeaWolves, Eastern League (AA) - 1 game 3-Jul
- 2008: Southern Maryland Blue Crabs, Atlantic League (independent) - 3 games 21-Jun 1-Sep 14-Sep
- Dillon Maples (pitcher, b. 1992, North Carolina)
- 2014: AZL Cubs, Arizona League (rookie) - 1 game 20-Jul
- 2017: Iowa Cubs, Pacific Coast League (AAA) - 1 game 21-Aug
- Connor Marabell (outfielder, b. 1994, Florida)
- 2018: Glendale Desert Dogs, Arizona Fall League - 4 games 5-Nov 6-Nov 7-Nov 15-Nov
- 2019: Columbus Clippers, International League (AAA) - 1 game 17-Sep
- 2021: Columbus Clippers, Triple-A East - 1 game 8-Aug
- Jorge Marban (pitcher, b. 1988, Florida)
- 2016: Pawtucket Red Sox, International League (AAA) - 1 game 4-May
- Carlos Marcano (pitcher, b. 2003, Venezuela)
- 2022: Lakeland Flying Tigers, Florida State League (Low-A) - 2 games 28-Jun 2-Jul
- 2023: Lakeland Flying Tigers, Florida State League (Low-A) - 4 games 7-May 19-Jul 2-Aug 12-Sep
- Rafael Marcano (pitcher, b. 2000, Venezuela)
- Raul Marcano (first base/outfield, b. 1971, Venezuela)
- 2005: Lancaster Barnstormers, Atlantic League (independent) - 2 games 12-Jun 2-Jul
- Ricardo Marcano (outfielder, b. 1994, Venezuela)
- 2014: AZL Cubs, Arizona League (rookie) - 1 game 20-Jul
- Tucupita Marcano (utility, b. 1999, Venezuela)
- 2023: Pittsburgh Pirates, Major League Baseball - 1 game 4-May
- Landon Marceaux (pitcher, b. 1999, Louisiana)
- 2022: Rocket City Trash Pandas, Southern League (AA) - 1 game 6-Aug
- Oscar Marcelino (pitcher, b. 1997, Dominican Republic)
- 2019: Clearwater Threshers, Florida State League (High-A) - 1 game 5-Aug
- Brandon Marcelli (catcher, b. 1981, California)
- 2005: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 29-Jun
- Jose Marchan (outfielder, b. 1972, Venezuela)
- 1997: Catskill Cougars, Northeast League (independent) - 1 game 3-Aug
- Rafael Marchan (catcher, b. 1999, Venezuela)
- 2019: Clearwater Threshers, Florida State League (High-A) - 7 games 2-Aug 5-Aug 6-Aug 17-Aug g2 26-Aug 27-Aug 29-Aug
- 2021: Philadelphia Phillies, Major League Baseball - 1 game 9-Sep
- 2022: Lehigh Valley IronPigs, International League (AAA) - 2 games 16-Jul 24-Sep
- 2023: Clearwater Threshers, Florida State League (Low-A) - 1 game 30-May
- 2024: Clearwater Threshers, Florida State League (Low-A) - 4 games 14-May 16-May g1 17-May 19-May
- 2024: Lehigh Valley IronPigs, International League (AAA) - 1 game 22-Sep
- Mike Marchesano (pitcher, b. 1975, Indiana)
- 2002: Brockton Rox, Northeast League (independent) - 1 game 29-Jun
- 2003: Brockton Rox, Northeast League (independent) - 1 game 5-Sep
- Dan Marchetti (pitcher, b. 1978, District of Columbia)
- 2000: Bluefield Orioles, Appalachian League (rookie) - 1 game 5-Aug g2
- 2003: Quebec Les Capitales, Northeast League (independent) - 1 game 13-Jun
- T.R. Marcinczyk (infielder, b. 1973, Connecticut)
- 1998: Huntsville Stars, Southern League (AA) - 1 game 27-Aug
- 2001: Fargo-Moorhead RedHawks, Northern League (independent) - 1 game 29-Jul
- Rob Marconi (utility, b. 1982, Illinois)
- 2005: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 7-Sep
- 2006: Schaumburg Flyers, Northern League (independent) - 1 game 5-Aug
- Norkis Marcos (infielder, b. 2001, Dominican Republic)
- Shaun Marcum (pitcher, b. 1981, Missouri)
- 2003: Auburn Doubledays, New York-Penn League (short-season) - 1 game 16-Aug
- 2007: Toronto Blue Jays, Major League Baseball - 1 game 22-Sep
- 2013: New York Mets, Major League Baseball - 1 game 4-Jul
- Clint Marcus (pitcher, b. 1976)
- 2005: Winnipeg Goldeyes, Northern League (independent) - 1 game 9-Aug
- Shane Mardirosian (utility, b. 1995, California)
- 2018: Gateway Grizzlies, Frontier League (independent) - 1 game 26-Aug
- Ben Margalski (catcher, b. 1979, South Carolina)
- 2002: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 24-Jun 26-Aug
- 2004: Stockton Ports, California League (High-A) - 1 game 19-Aug g2
- Nick Margevicius (pitcher, b. 1996, Ohio)
- 2019: San Diego Padres, Major League Baseball - 1 game 29-Apr
- Manuel Margot (outfielder, b. 1994, Dominican Republic)
- Maximo Maria (outfielder, b. 2004, Dominican Republic)
- 2023: FCL Braves, Florida Complex League (rookie) - 1 game 8-Jul
- Sugar Ray Marimon (pitcher, b. 1988, Colombia)
- 2021: Colombia, Americas Olympic Qualifier - 1 game 31-May
- Adrian Marin (infielder, b. 1994, Florida)
- 2016: Peoria Javelinas, Arizona Fall League - 2 games 12-Oct 14-Oct
- Ivan Marin (infielder, b. 1988, Nicaragua)
- 2019: Lincoln Saltdogs, American Association (independent) - 2 games 31-May 6-Jun
- Junior Marin (outfielder, b. 2004, Venezuela)
- Leandro Marin (pitcher, b. 1988, Venezuela)
- 2009: Greenville Drive, South Atlantic League (Low-A) - 1 game 15-Sep
- Willie Marin (pitcher, b. 1978, Florida)
- 1999: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 1-Sep
- Ron Marinaccio (pitcher, b. 1995, New Jersey)
- 2022: New York Yankees, Major League Baseball - 1 game 4-Sep
- James Marinan (pitcher, b. 1998, Florida)
- 2021: Daytona Tortugas, Low-A Southeast - 1 game 26-Jun
- 2021: Surprise Saguaros, Arizona Fall League - 1 game 16-Oct
- Kyle Marinconz (infielder, b. 1996, California)
- 2018: Auburn Doubledays, New York-Penn League (short-season) - 1 game 6-Sep
- Del Marine (catcher, b. 1971, California)
- 1993: Niagara Falls Rapids, New York-Penn League (short-season) - 1 game 21-Aug
- Justin Marine (pitcher, b. 1974)
- 1995: Billings Mustangs, Pioneer League (rookie) - 1 game 10-Aug
- Eric Marinez (infielder, b. 1995, Dominican Republic)
- 2018: Stockton Ports, California League (High-A) - 1 game 16-Aug
- Jhan Marinez (pitcher, b. 1988, Dominican Republic)
- 2021: Dominican Republic, Americas Olympic Qualifier - 1 game 2-Jun
- Ynmanol Marinez (infielder, b. 2001, Dominican Republic)
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- 2023: Beloit Sky Carp, Midwest League (High-A) - 1 game 25-Jun g1
- Marc Marini (outfielder, b. 1970, Pennsylvania)
- 1993: Kinston Indians, Carolina League (High-A) - 1 game 8-Aug
- 1995: Canton-Akron Indians, Eastern League (AA) - 1 game 3-Jul
- 1995: Buffalo Bisons, American Association (AAA) - 1 game 17-Aug
- Michael Mariot (pitcher, b. 1988, California)
- 2013: Omaha Storm Chasers, Pacific Coast League (AAA) - 2 games 29-Aug 17-Sep
- 2016: Lehigh Valley IronPigs, International League (AAA) - 1 game 30-May
- 2016: Philadelphia Phillies, Major League Baseball - 1 game 2-Oct
- 2018: Omaha Storm Chasers, Pacific Coast League (AAA) - 1 game 7-Aug
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 1 game 3-May
- John Mariotti (pitcher, b. 1984, South Carolina)
- 2011: Quebec Les Capitales, Can-Am League (independent) - 2 games 2-Aug 14-Sep
- Peter Maris (infielder, b. 1993, California)
- 2019: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 17-Sep
- Chris Mariscal (infielder, b. 1993, California)
- 2015: Clinton LumberKings, Midwest League (Low-A) - 1 game 31-Aug
- 2018: Peoria Javelinas, Arizona Fall League - 1 game 10-Nov
- 2019: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 1-Sep
- Jake Marisnick (outfielder, b. 1991, California)
- 2015: Houston Astros, Major League Baseball - 1 game 25-May
- 2018: Houston Astros, Major League Baseball - 1 game 29-Sep g2
- 2019: Houston Astros, Major League Baseball - 2 games 28-Mar 19-Jul
- Michael Marjama (catcher, b. 1989, California)
- 2013: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 25-May
- Tyler Mark (pitcher, b. 1994, California)
- 2018: Salt River Rafters, Arizona Fall League - 1 game 10-Nov
- Nick Markakis (outfielder, b. 1983, New York)
- 2003: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 16-Aug
- 2006: Baltimore Orioles, Major League Baseball - 2 games 30-Jul 27-Sep
- 2007: Baltimore Orioles, Major League Baseball - 1 game 19-Sep
- 2009: Baltimore Orioles, Major League Baseball - 2 games 23-Apr 4-Oct
- 2010: Baltimore Orioles, Major League Baseball - 1 game 8-Aug
- 2011: Baltimore Orioles, Major League Baseball - 1 game 28-Aug day
- 2012: Baltimore Orioles, Major League Baseball - 1 game 31-Jul
- 2014: Baltimore Orioles, Major League Baseball - 3 games 18-Apr 10-Aug 22-Sep
- 2015: Atlanta Braves, Major League Baseball - 1 game 23-Sep
- 2016: Atlanta Braves, Major League Baseball - 3 games 3-May 1-Sep 21-Sep
- 2017: Atlanta Braves, Major League Baseball - 3 games 22-Aug 25-Sep g1 25-Sep g2
- 2018: Atlanta Braves, Major League Baseball - 4 games 25-May 28-Aug 26-Sep 28-Sep
- 2019: Atlanta Braves, Major League Baseball - 2 games 29-Apr 29-Sep
- 2020: Atlanta Braves, Major League Baseball - 1 game 13-Oct
- Parker Markel (pitcher, b. 1990, California)
- 2015: Montgomery Biscuits, Southern League (AA) - 2 games 25-Jul 28-Jul
- 2016: Durham Bulls, International League (AAA) - 1 game 1-Sep
- 2022: Charlotte Knights, International League (AAA) - 1 game 16-Jul
- 2024: Hagerstown Flying Boxcars, Atlantic League (independent) - 1 game 7-Aug
- Jackson Markert (pitcher, b. 1979, Oklahoma)
- 2004: San Jose Giants, California League (High-A) - 1 game 12-Aug
- Barret Markey (pitcher, b. 1975, Florida)
- 2004: Camden Riversharks, Atlantic League (independent) - 2 games 19-Jun g2 24-Aug
- 2005: Atlantic City Surf, Atlantic League (independent) - 1 game 15-Jun
- Andy Markham (pitcher, b. 1972, Colorado)
- 1997: Frederick Keys, Carolina League (High-A) - 1 game 6-Apr
- Kevin Markham (outfielder, b. 1994, Texas)
- 2018: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 23-May 30-May
- Thad Markray (infielder, then pitcher, b. 1979, Louisiana)
- 1999: Rockford Reds, Midwest League (Low-A) - 1 game 5-Sep
- Jordan Marks (pitcher, b. 1999, Ontario)
- 2023: Lakeland Flying Tigers, Florida State League (Low-A) - 2 games 4-May 7-May
- Tim Marks (catcher, b. 1981, Illinois)
- 2005: Schaumburg Flyers, Northern League (independent) - 1 game 10-Aug
- Matt Marksberry (pitcher, b. 1990, Ohio)
- 2015: Atlanta Braves, Major League Baseball - 1 game 23-Sep
- Charlie Markson (outfielder, b. 1991, Wisconsin)
- 2013: Helena Brewers, Pioneer League (rookie) - 1 game 27-Aug
- Hunter Markwardt (outfielder, b. 1997, Texas)
- Diegomar Markwell (pitcher, b. 1980, Aruba)
- 1997: St. Catharines Stompers, New York-Penn League (short-season) - 1 game 27-Jun
- 2000: Queens Kings, New York-Penn League (short-season) - 1 game 26-Aug
- Tyler Marlette (catcher, b. 1993, Florida)
- 2012: Pulaski Mariners, Appalachian League (rookie) - 1 game 14-Aug
- 2014: Jackson Generals, Southern League (AA) - 1 game 20-Aug
- 2015: Jackson Generals, Southern League (AA) - 2 games 25-Jul 29-Jul
- 2016: Peoria Javelinas, Arizona Fall League - 2 games 12-Oct 14-Oct
- Brooks Marlow (infielder, b. 1993)
- 2015: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 4-Aug
- Rayden Marlow (infielder, b. 2002, Indiana)
- 2020: Indiana Barn Owls, Liberation League (independent) - 1 game 23-Sep
- Cade Marlowe (outfielder, b. 1997, Georgia)
- Carlos Marmol (pitcher, b. 1982, Dominican Republic)
- 2010: Chicago Cubs, Major League Baseball - 1 game 4-Sep
- Jose Marmolejos (first base/outfield, b. 1993, Dominican Republic)
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 4 games 4-Jul g1 4-Jul g2 30-Jul 15-Aug
- 2016: Potomac Nationals, Carolina League (High-A) - 1 game 28-May
- 2016: Harrisburg Senators, Eastern League (AA) - 2 games 21-Aug 5-Sep
- 2017: Harrisburg Senators, Eastern League (AA) - 1 game 3-Sep
- 2018: Syracuse Chiefs, International League (AAA) - 2 games 2-May 31-Jul
- Dean Marnell (outfielder, b. 1976, Australia)
- 1997: Salem Avalanche, Carolina League (High-A) - 1 game 16-Aug
- Kevin Marnon (pitcher, b. 1994, Michigan)
- 2018: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 6-Aug
- Nick Maronde (pitcher, b. 1989, Kentucky)
- 2014: Peoria Javelinas, Arizona Fall League - 1 game 10-Oct
- David Maroul (infielder, b. 1983, Texas)
- 2006: Augusta Greenjackets, South Atlantic League (Low-A) - 2 games 14-Sep 15-Sep
- Scott Marple (outfielder, b. 1976, Maryland)
- 2002: Richmond Roosters, Frontier League (independent) - 1 game 27-Jul
- Agustin Marquetti (pitcher, b. 1978, Venezuela)
- 2004: Coastal Bend Aviators, Central League (independent) - 1 game 3-Jul
- Alex Marquez (catcher, b. 1992, Puerto Rico)
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Jul g2
- 2015: Kansas City T-bones, American Association (independent) - 1 game 6-Sep
- Bradley Marquez (outfielder, b. 1992, Texas)
- 2019: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 30-Apr
- German Marquez (pitcher, b. 1995, Venezuela)
- 2018: Colorado Rockies, Major League Baseball - 1 game 14-Jun
- 2019: Colorado Rockies, Major League Baseball - 1 game 3-Apr
- Jeff Marquez (pitcher, b. 1984, Florida)
- 2004: Staten Island Yankees, New York-Penn League (short-season) - 1 game 16-Jul g1
- 2007: Trenton Thunder, Eastern League (AA) - 1 game 6-Apr
- 2008: Trenton Thunder, Eastern League (AA) - 1 game 14-Sep
- Mateo Marquez (outfielder, b. 1985, California)
- 2007: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 4-Aug
- Robert Marquez (pitcher, b. 1973, Texas)
- 1999: Harrisburg Senators, Eastern League (AA) - 1 game 10-Apr g2
- 2004: Somerset Patriots, Atlantic League (independent) - 2 games 29-Jul g1 30-Jul
- 2005: Somerset Patriots, Atlantic League (independent) - 2 games 18-Sep 29-Sep
- Ruben Marquez (infielder, b. unknown)
- 1998: Bridgeport Bluefish, Atlantic League (independent) - 1 game 27-Jul
- Uriak Marquez (infielder, b. 1983, Venezuela)
- 2012: Laredo Lemurs, American Association (independent) - 1 game 28-Jul
- Jason Marquis (pitcher, b. 1978, New York)
- 1999: Greenville Braves, Southern League (AA) - 1 game 12-Aug
- 2000: Atlanta Braves, Major League Baseball - 1 game 9-Jul
- 2002: Atlanta Braves, Major League Baseball - 1 game 29-Sep
- 2003: Atlanta Braves, Major League Baseball - 1 game 28-Sep
- 2005: St. Louis Cardinals, Major League Baseball - 1 game 6-Aug
- 2016: Israel, World Baseball Classic - 1 game 25-Sep
- Matt Marquis (outfielder, b. 1990, Pennsylvania)
- 2012: Lowell Spinners, New York-Penn League (short-season) - 1 game 25-Aug
- Jason Marr (pitcher, b. 1975, California)
- 2001: New Haven Ravens, Eastern League (AA) - 1 game 15-Jul
- Justin Marra (catcher, b. 1983, Ontario)
- 2013: Boise Hawks, Northwest League (short-season) - 1 game 24-Aug
- 2015: Quebec Les Capitales, Can-Am League (independent) - 1 game 21-Aug
- Alan Marrero (catcher, b. 1998, Puerto Rico)
- 2019: Greenville Drive, South Atlantic League (Low-A) - 1 game 12-Aug
- Andrew Marrero (pitcher, b. 2000, Connecticut)
- 2021: Palm Beach Cardinals, Low-A Southeast - 1 game 12-Aug
- 2022: Palm Beach Cardinals, Florida State League (Low-A) - 4 games 16-Jun 19-Jun 10-Aug 8-Sep
- Chris Marrero (first base/outfield, b. 1988, Florida)
- 2010: Harrisburg Senators, Eastern League (AA) - 2 games 1-Aug 15-Aug
- 2011: Syracuse Chiefs, International League (AAA) - 4 games 23-Apr g1 23-Apr g2 3-Jul 20-Aug
- 2016: Pawtucket Red Sox, International League (AAA) - 1 game 4-May
- Christian Marrero (first base/outfield, b. 1986, Florida)
- 2011: Birmingham Barons, Southern League (AA) - 2 games 29-May 11-Aug
- 2016: Reading Fightin Phils, Eastern League (AA) - 2 games 8-Sep 10-Sep
- 2017: Somerset Patriots, Atlantic League (independent) - 1 game 13-Aug
- 2017: Lehigh Valley IronPigs, International League (AAA) - 1 game 10-Sep
- Deven Marrero (infielder, b. 1990, Florida)
- 2012: Lowell Spinners, New York-Penn League (short-season) - 1 game 25-Aug
- 2014: Surprise Saguaros, Arizona Fall League - 1 game 10-Oct
- 2015: Boston Red Sox, Major League Baseball - 1 game 28-Sep
- 2016: Pawtucket Red Sox, International League (AAA) - 1 game 4-May
- 2018: Reno Aces, Pacific Coast League (AAA) - 1 game 15-Aug
- 2021: Jacksonville Jumbo Shrimp, Triple-A East - 1 game 23-Sep
- 2022: New York Mets, Major League Baseball - 1 game 15-Aug
- Eli Marrero (catcher/outfielder, b. 1973, Cuba)
- 1997: Louisville Redbirds, American Association (AAA) - 1 game 9-Aug g1
- 2001: St. Louis Cardinals, Major League Baseball - 1 game 29-Jul
- Emmanuel Marrero (infielder, b. 1993, Puerto Rico)
- 2014: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 4-Jul g2
- 2015: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 10-Aug
- 2016: Lakewood BlueClaws, South Atlantic League (Low-A) - 4 games 13-Jun 18-Aug 7-Sep 15-Sep
- 2018: Reading Fightin Phils, Eastern League (AA) - 2 games 26-May g2 4-Jun
- Kenny Marrero (pitcher, b. 1970, New York)
- 1999: Nashua Pride, Atlantic League (independent) - 1 game 11-Sep g2
- Lean Marrero (outfielder, b. 1997, Puerto Rico)
- 2016: GCL Twins, Gulf Coast League (rookie) - 1 game 27-Aug
- Oreste Marrero (first baseman, b. 1969, Puerto Rico)
- 1990: Beloit Brewers, Midwest League (Low-A) - 1 game 14-Aug
- 1993: Montreal Expos, National League (MLB) - 1 game 18-Sep
- 2000: Bridgeport Bluefish, Atlantic League (independent) - 1 game 27-Sep
- 2004: Bridgeport Bluefish, Atlantic League (independent) - 1 game 12-Sep
- 2005: Lancaster Barnstormers, Atlantic League (independent) - 2 games 12-Jun 2-Jul
- Wendell Marrero (outfielder, b. 2000, Puerto Rico)
- Jesus Marriaga (outfielder, b. 1998, Colombia)
- 2021: Colombia, Americas Olympic Qualifier - 2 games 31-May 1-Jun
- Yeizer Marrugo (pitcher, b. 1994, Colombia)
- 2021: Colombia, Americas Olympic Qualifier - 1 game 31-May
- Danny Mars (outfielder, b. 1994, Florida)
- Michael Marseco (infielder, b. 1987, Florida)
- 2009: Wisconsin Timber Rattlers, Midwest League (Low-A) - 1 game 29-Jul
- 2009: Helena Brewers, Pioneer League (rookie) - 1 game 17-Aug
- Justin Marsden (pitcher, b. 1997, Washington)
- 2018: Bowling Green Hot Rods, Midwest League (Low-A) - 1 game 27-Aug
- 2019: Charlotte Stone Crabs, Florida State League (High-A) - 1 game 18-May
- Jakob Marsee (outfielder, b. 2001, Michigan)
- 2023: Peoria Javelinas, Arizona Fall League - 2 games 11-Oct 14-Oct
- 2024: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Jun
- Brandon Marsh (outfielder, b. 1997, Georgia)
- 2018: Inland Empire 66ers, California League (High-A) - 2 games 10-Aug 12-Aug
- 2019: Mobile BayBears, Southern League (AA) - 1 game 28-Jul
- 2019: Mesa Solar Sox, Arizona Fall League - 2 games 15-Oct 19-Oct
- 2021: Los Angeles Angels, Major League Baseball - 1 game 18-Jul
- 2022: Philadelphia Phillies, Major League Baseball - 1 game 25-Sep
- 2023: Philadelphia Phillies, Major League Baseball - 1 game 27-Sep
- 2024: Philadelphia Phillies, Major League Baseball - 2 games 19-Sep 23-Sep
- Chandler Marsh (pitcher, b. 2002, North Carolina)
- 2024: St. Lucie Mets, Florida State League (Low-A) - 1 game 6-Sep
- Jason Marsh (catcher, b. 1978, North Carolina)
- 2001: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 10-Aug
- Matt Marsh (pitcher, b. 1991, Tennessee)
- 2016: Trenton Thunder, Eastern League (AA) - 1 game 8-Sep
- 2017: Trenton Thunder, Eastern League (AA) - 1 game 15-Apr
- 2017: Long Island Ducks, Atlantic League (independent) - 1 game 23-Sep
- Roy Marsh (outfielder, b. 1972, Ohio)
- 1994: Auburn Astros, New York-Penn League (short-season) - 1 game 13-Aug
- 1999: Massachusetts Mad Dogs, Northeast League (independent) - 2 games 20-Jun 17-Jul
- Tom Marsh (outfielder, b. 1965, Ohio)
- 1992: Philadelphia Phillies, National League (MLB) - 1 game 22-Aug
- 1993: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 4-Sep
- 1994: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 12-Aug
- 1995: Philadelphia Phillies, National League (MLB) - 1 game 23-Sep
- Andre Marshall (outfielder, b. 1980, Hawaii)
- 2003: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 6-May 5-Jul
- 2008: Alexandria Aces, United League (independent) - 1 game 13-Aug
- Brett Marshall (pitcher, b. 1990, Texas)
- 2018: Long Island Ducks, Atlantic League (independent) - 1 game 4-Sep
- Dave Marshall (outfielder, b. 1943, California; d. 2019, California)
- 1970: New York Mets, National League (MLB) - 1 game 13-Sep
- 1971: New York Mets, National League (MLB) - 1 game 12-Sep
- 1972: New York Mets, National League (MLB) - 2 games 25-Jun g1 25-Jun g2
- Evan Marshall (pitcher, b. 1990, California)
- 2017: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 6-Aug
- Jay Marshall (pitcher, b. 1983, Missouri)
- 2006: Winston-Salem Warthogs, Carolina League (High-A) - 1 game 29-Jul
- 2009: Oakland Athletics, Major League Baseball - 1 game 14-Aug
- Lee Marshall (pitcher, b. 1976, Alabama)
- 1998: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 15-Aug
- Sean Marshall (pitcher, b. 1982, Virginia)
- 2008: Chicago Cubs, Major League Baseball - 1 game 23-Sep
- 2011: Chicago Cubs, Major League Baseball - 1 game 11-Sep
- Shane Marshall (pitcher, b. 2000, Florida)
- 2024: Mesa Solar Sox, Arizona Fall League - 1 game 10-Oct
- Lou Marson (catcher, b. 1986, Arizona)
- 2006: Lakewood BlueClaws, South Atlantic League (Low-A) - 6 games 26-Apr 26-Jun 15-Aug 6-Sep 14-Sep 15-Sep
- 2009: Columbus Clippers, International League (AAA) - 1 game 9-Aug
- 2011: Cleveland Indians, Major League Baseball - 1 game 4-Sep
- Brandon Marsonek (pitcher, b. 1994, Pennsylvania)
- 2018: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 29-Jul
- Sam Marsonek (pitcher, b. 1978, Florida)
- Brandon Marsters (catcher, b. 1975, Illinois)
- 1996: Batavia Clippers, New York-Penn League (short-season) - 1 game 16-Aug
- 2001: New Britain Rock Cats, Eastern League (AA) - 2 games 4-Jul g1 4-Jul g2
- 2002: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 7-Aug
- 2003: Rochester Red Wings, International League (AAA) - 1 game 15-Aug
- 2004: Rochester Red Wings, International League (AAA) - 1 game 5-Sep
- 2005: Bowie Baysox, Eastern League (AA) - 2 games 14-Jun 31-Jul
- Alfredo Marte (outfielder, b. 1989, Dominican Republic)
- 2023: New Jersey Jackals, Frontier League (independent) - 1 game 14-Jul
- Andy Marte (infielder, b. 1983, Dominican Republic; d. 2017, Dominican Republic)
- 2005: Richmond Braves, International League (AAA) - 1 game 28-Aug
- 2006: Buffalo Bisons, International League (AAA) - 1 game 4-Jul
- 2008: Cleveland Indians, Major League Baseball - 1 game 31-Aug
- 2010: Cleveland Indians, Major League Baseball - 1 game 31-Jul
- Damaso Marte (pitcher, b. 1975, Dominican Republic)
- 1999: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 21-Aug
- 2008: New York Yankees, Major League Baseball - 1 game 29-Aug
- 2009: New York Yankees, Major League Baseball - 2 games 16-Apr 28-Sep
- Felix Marte (outfielder, b. 1990, Dominican Republic)
- 2012: Danville Braves, Appalachian League (rookie) - 2 games 14-Aug 18-Aug
- 2013: Rome Braves, South Atlantic League (Low-A) - 1 game 26-May
- German Marte (pitcher, b. 1985, Dominican Republic)
- 2006: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 26-Apr
- Jefry Marte (infielder, b. 1991, Dominican Republic)
- 2012: Binghamton Mets, Eastern League (AA) - 1 game 28-May
- 2018: Los Angeles Angels, Major League Baseball - 1 game 11-Aug
- Jose Marte (pitcher, b. 1996, Dominican Republic)
- 2021: Rocket City Trash Pandas, Double-A South - 1 game 5-Aug
- 2023: Los Angeles Angels, Major League Baseball - 1 game 21-Sep
- Ketel Marte (infielder, b. 1993, Dominican Republic)
- 2018: Arizona Diamondbacks, Major League Baseball - 2 games 18-Aug 19-Aug
- 2019: Arizona Diamondbacks, Major League Baseball - 1 game 17-Jul
- Luis Marte (infielder, b. 1993, Dominican Republic)
- 2013: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 25-May
- 2019: Gwinnett Stripers, International League (AAA) - 1 game 27-May
- Miguel Marte (catcher/first base, b. 1989, Dominican Republic; d. 2020)
- 2012: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 23-Aug
- Miguel Marte (infielder, b. 2001, Dominican Republic)
- 2019: GCL Yankees East, Gulf Coast League (rookie) - 1 game 31-Jul g2
- Noelvi Marte (infielder, b. 2001, Dominican Republic)
- 2022: Glendale Desert Dogs, Arizona Fall League - 2 games 13-Oct 15-Oct
- 2023: Louisville Bats, International League (AAA) - 1 game 1-Jul
- 2024: Cincinnati Reds, Major League Baseball - 4 games 26-Jul 27-Jul 25-Sep 28-Sep
- Ronny Marte (pitcher, b. 1986, Dominican Republic)
- 2009: Staten Island Yankees, New York-Penn League (short-season) - 1 game 9-Sep
- Starling Marte (outfielder, b. 1988, Dominican Republic)
- 2011: Altoona Curve, Eastern League (AA) - 1 game 27-Aug
- 2012: Pittsburgh Pirates, Major League Baseball - 2 games 29-Jul 25-Sep
- 2016: Pittsburgh Pirates, Major League Baseball - 1 game 7-Aug
- 2018: Pittsburgh Pirates, Major League Baseball - 1 game 22-Sep
- 2021: Oakland Athletics, Major League Baseball - 1 game 16-Sep
- 2022: New York Mets, Major League Baseball - 2 games 3-May g1 15-Aug
- 2023: New York Mets, Major League Baseball - 1 game 7-Jun
- 2024: New York Mets, Major League Baseball - 3 games 3-May 4-May 5-May
- Victor Marte (pitcher, b. 1980, Dominican Republic)
- 2013: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 22-Jul
- Ed Martel (pitcher, b. 1969, Michigan; d. 2018, Michigan)
- 1992: Columbus Clippers, International League (AAA) - 1 game 19-Aug
- Norm Martel (outfielder, b. 1978, Virginia)
- 2001: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 2-Aug
- Francis Martes (pitcher, b. 1995, Dominican Republic)
- 2016: Glendale Desert Dogs, Arizona Fall League - 1 game 13-Oct
- Amaury Marti (outfielder, b. 1978, Cuba)
- 2007: Springfield Cardinals, Texas League (AA) - 1 game 15-Aug
- Adam Martin (catcher, b. 1991, Georgia)
- Adrian Martin (pitcher, b. 1984, Indiana)
- 2010: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 11-May
- 2011: Rockland Boulders, Can-Am League (independent) - 2 games 4-Jul 24-Aug
- 2012: Rockland Boulders, Can-Am League (independent) - 2 games 30-Jul g1 26-Aug
- 2013: Camden Riversharks, Atlantic League (independent) - 1 game 4-Sep
- Al Martin (outfielder, b. 1967, California)
- 1991: Richmond Braves, International League (AAA) - 1 game 17-Aug
- 1992: Buffalo Bisons, American Association (AAA) - 1 game 9-Aug
- 1992: Pittsburgh Pirates, National League (MLB) - 1 game 4-Oct
- 1993: Pittsburgh Pirates, National League (MLB) - 1 game 11-Sep
- 1996: Pittsburgh Pirates, National League (MLB) - 2 games 6-Apr 10-Aug
- 1997: Pittsburgh Pirates, National League (MLB) - 1 game 13-Aug
- 1999: Pittsburgh Pirates, National League (MLB) - 1 game 2-Oct
- 2001: Seattle Mariners, Major League Baseball - 1 game 2-Sep
- Andy Martin (first baseman, b. 1970)
- 1992: Hamilton Redbirds, New York-Penn League (short-season) - 1 game 9-Aug g2
- Austin Martin (utility, b. 1999, Florida)
- 2021: Wichita Wind Surge, Double-A Central - 1 game 15-Sep
- 2022: Glendale Desert Dogs, Arizona Fall League - 2 games 13-Oct 15-Oct
- 2024: Minnesota Twins, Major League Baseball - 1 game 5-Sep
- Brandon Martin (pitcher, b. 1982)
- 2008: New Jersey Jackals, Can-Am League (independent) - 1 game 5-Jul
- Brandon Martin (infielder, b. 1983, California)
- Brett Martin (pitcher, b. 1995, Tennessee)
- 2021: Texas Rangers, Major League Baseball - 1 game 13-Apr
- 2022: Texas Rangers, Major League Baseball - 1 game 16-Sep
- Brian Martin (outfielder, b. 1980, California)
- 1999: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 1-Sep 10-Sep
- 2001: Charleston RiverDogs, South Atlantic League (Low-A) - 2 games 6-Aug 10-Aug
- 2004: Montgomery Biscuits, Southern League (AA) - 1 game 4-Jul
- Casey Martin (catcher/first base, b. 1975, California)
- 1998: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 20-Aug
- Casey Martin (infielder, b. 1999, Arkansas)
- Chad Martin (pitcher, b. 1994, Pennsylvania)
- 2016: Staten Island Yankees, New York-Penn League (short-season) - 1 game 8-Aug
- Chandler Martin (pitcher, b. 1973, Oregon)
- 1996: Salem Avalanche, Carolina League (High-A) - 1 game 28-Aug
- Chris Martin (infielder, b. 1968, California)
- 1992: Harrisburg Senators, Eastern League (AA) - 1 game 7-Aug
- 1993: Harrisburg Senators, Eastern League (AA) - 2 games 29-Aug 5-Sep
- 1995: Ottawa Lynx, International League (AAA) - 1 game 2-Sep
- Chris Martin (infielder, b. 1979, Illinois)
- 2001: Staten Island Yankees, New York-Penn League (short-season) - 2 games 6-Jul 6-Sep
- Chris Martin (pitcher, b. 1986, Texas)
- 2011: Portland Sea Dogs, Eastern League (AA) - 1 game 20-Aug
- 2020: Atlanta Braves, Major League Baseball - 1 game 13-Oct
- 2023: Boston Red Sox, Major League Baseball - 1 game 4-Sep
- Christian Martin (infielder, b. 2003, Virginia)
- 2024: Palm Beach Cardinals, Florida State League (Low-A) - 2 games 28-Aug g2 15-Sep
- Cody Martin (pitcher, b. 1989, California)
- 2018: Las Vegas 51s, Pacific Coast League (AAA) - 1 game 21-Aug
- Colby Martin (pitcher, b. 2001, Pennsylvania)
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 2 games 22-Aug 25-Aug
- Dalton Martin (catcher, b. 1996, Oklahoma)
- 2021: Santa Fe Fuego, Pecos League (independent) - 1 game 20-Jul
- Dustin Martin (outfielder, b. 1984, Texas)
- 2006: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 26-Jul 28-Jul
- 2008: New Britain Rock Cats, Eastern League (AA) - 1 game 23-Aug
- 2011: Rochester Red Wings, International League (AAA) - 1 game 17-Aug
- Garrett Martin (outfielder, b. 2000, Texas)
- 2024: Salt River Rafters, Arizona Fall League - 2 games 10-Oct 12-Oct
- J.C. Martin (catcher, b. 1936, Virginia)
- 1968: New York Mets, National League (MLB) - 1 game 16-Jun
- J.D. Martin (pitcher, b. 1983, California)
- 2008: Akron Aeros, Eastern League (AA) - 1 game 31-Aug
- 2009: Washington Nationals, Major League Baseball - 1 game 18-Sep
- 2013: Durham Bulls, International League (AAA) - 1 game 17-Sep
- 2016: Harrisburg Senators, Eastern League (AA) - 1 game 5-Sep
- James Martin (outfielder, b. 1970, Kansas)
- 1998: Newburgh Black Diamonds, Atlantic League (independent) - 1 game 27-Jul
- Jason Martin (outfielder, b. 1995, California)
- 2015: Quad Cities River Bandits, Midwest League (Low-A) - 2 games 3-Sep 5-Sep
- 2016: Glendale Desert Dogs, Arizona Fall League - 1 game 14-Oct
- Jeff Martin (catcher, b. 1970)
- 1995: Trenton Thunder, Eastern League (AA) - 1 game 3-Jul
- Josh Martin (pitcher, b. 1989, Alabama)
- 2012: Carolina Mudcats, Carolina League (High-A) - 1 game 3-Sep
- 2015: Akron RubberDucks, Eastern League (AA) - 1 game 3-Jul
- Justin Martin (utility, b. 1976, California)
- 1999: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 30-Jul
- Kyle Martin (pitcher, b. 1991, Texas)
- 2016: Pawtucket Red Sox, International League (AAA) - 1 game 4-May
- 2018: Pawtucket Red Sox, International League (AAA) - 1 game 14-Jun
- Kyle Martin (first baseman, b. 1992, South Carolina)
- 2015: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 10-Aug
- 2016: Clearwater Threshers, Florida State League (High-A) - 1 game 25-Aug
- 2017: Reading Fightin Phils, Eastern League (AA) - 1 game 4-Jul
- 2018: Reading Fightin Phils, Eastern League (AA) - 3 games 26-May g1 26-May g2 4-Jun
- 2019: Winnipeg Goldeyes, American Association (independent) - 2 games 9-Jun g1 9-Jun g2
- Leonys Martin (outfielder, b. 1988, Cuba)
- 2015: Texas Rangers, Major League Baseball - 1 game 22-May
- 2017: Seattle Mariners, Major League Baseball - 1 game 22-Aug
- 2019: Cleveland Indians, Major League Baseball - 1 game 1-Jun
- Lincoln Martin (utility, b. 1971, Georgia)
- 1996: Frederick Keys, Carolina League (High-A) - 1 game 26-Jul
- 1997: Frederick Keys, Carolina League (High-A) - 1 game 6-Apr
- Logan Martin (pitcher, b. 2001, Kentucky)
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g2
- Mason Martin (first baseman, b. 1999, Washington)
- 2019: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 1-May 23-Aug
- 2019: Bradenton Marauders, Florida State League (High-A) - 3 games 3-Aug 9-Aug
- 2022: Indianpolis Indians, International League (AAA) - 1 game 26-Jun
- Nick Martin (pitcher, b. 1980, Texas)
- 2003: Daytona Cubs, Florida State League (High-A) - 1 game 26-Aug
- Rafael Martin (pitcher, b. 1984, California)
- 2010: Harrisburg Senators, Eastern League (AA) - 1 game 1-Aug
- Renie Martin (pitcher, b. 1955, Delaware)
- 1984: Philadelphia Phillies, National League (MLB) - 1 game 26-Sep
- Richie Martin (infielder, b. 1994, Michigan)
- Riley Martin (pitcher, b. 1998, Illinois)
- 2022: Mesa Solar Sox, Arizona Fall League - 1 game 14-Oct
- Rudy Martin (outfielder, b. 1996, Mississippi)
- 2018: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 3-Sep
- 2021: Omaha Storm Chasers, Triple-A East - 1 game 8-Aug
- 2024: York Revolution, Atlantic League (independent) - 1 game 7-Aug
- Russell Martin (catcher, b. 1983, Ontario)
- Scott Martin (outfielder, b. 1981, Delaware)
- 2003: Bristol Sox, Appalachian League (rookie) - 1 game 12-Jul
- 2005: Florence Freedom, Frontier League (independent) - 1 game 29-Jul
- 2007: Quebec Les Capitales, Can-Am League (independent) - 1 game 31-Jul
- Tom Martin (pitcher, b. 1970, South Carolina)
- 1999: Akron Aeros, Eastern League (AA) - 1 game 1-Aug
- 2001: Norfolk Tides, International League (AAA) - 1 game 1-Aug
- 2001: New York Mets, Major League Baseball - 1 game 5-Oct
- Trevor Martin (infielder, b. 1991, Washington)
- Trey Martin (outfielder, b. 1992, Georgia)
- 2018: Iowa Cubs, Pacific Coast League (AAA) - 1 game 6-Aug
- Ty Martin (infielder, b. 1977, Minnesota)
- Willi Martin (first baseman, b. 1991)
- 2015: Schaumburg Boomers, Frontier League (independent) - 1 game 30-Aug
- Junior Martina (infielder, b. 1997, Curacao)
- 2019: GCL Nationals, Gulf Coast League (rookie) - 1 game 8-Aug
- 2021: Fredericksburg Nationals, Low-A East - 1 game 15-Jun
- Sunayro Martina (pitcher, b. 2003, Netherlands)
- 2024: FCL Yankees, Florida Complex League (rookie) - 1 game 23-Jul
- Ryan Martindale (catcher, b. 1968, Nebraska)
- 1991: Watertown Indians, New York-Penn League (short-season) - 1 game 11-Aug
- 1993: Canton-Akron Indians, Eastern League (AA) - 1 game 9-Aug
- Chris Martine (catcher, b. 1975, New Jersey)
- 1997: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 27-Jun 4-Aug
- David Martinelli (outfielder, b. 1994, Texas)
- 2017: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 15-Apr night
- Jason Martines (pitcher, b. 1976, Michigan)
- 1998: South Bend Silver Hawks, Midwest League (Low-A) - 1 game 16-Aug
- 2002: Somerset Patriots, Atlantic League (independent) - 1 game 13-Sep
- Adrian Martinez (pitcher, b. 1996, Mexico)
- 2023: Oakland Athletics, Major League Baseball - 1 game 9-Apr
- Adrian Martinez (pitcher, b. 1998, Dominican Republic)
- 2019: GCL Nationals, Gulf Coast League (rookie) - 1 game 8-Aug
- Alberth Martinez (outfielder, b. 1991, Venezuela)
- 2018: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 8-Sep
- Alberto Martinez (catcher, b. 1986, Venezuela)
- 2006: Bakersfield Blaze, California League (High-A) - 1 game 21-Aug
- Alejandro Martinez (first baseman, b. 1977, Dominican Republic)
- 2007: Rio Grande Valley WhiteWings, United League (independent) - 1 game 14-Aug
- Alexander Martinez (catcher, b. 2004, Venezuela)
- 2023: FCL Braves, Florida Complex League (rookie) - 1 game 8-Jul
- Algenis Martinez (pitcher, b. 1993, Dominican Republic)
- 2017: Greenville Drive, South Atlantic League (Low-A) - 1 game 23-Aug
- Anastacio Martinez (pitcher, b. 1978, Dominican Republic)
- 2002: Trenton Thunder, Eastern League (AA) - 1 game 4-Jul
- Andres Martinez (infielder, b. 1995, Venezuela)
- 2017: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Sep
- Andrew Martinez (infielder, b. 1997, California)
- Angel Martinez (infielder, b. 2002, Dominican Republic)
- 2021: Lynchburg Hillcats, Low-A East - 1 game 15-Jun
- 2022: Peoria Javelinas, Arizona Fall League - 3 games 12-Oct 14-Oct 15-Oct
- 2024: Cleveland Guardians, Major League Baseball - 1 game 25-Sep
- Argenis Martinez (infielder, b. 1990, Venezuela)
- 2009: AZL Indians, Arizona League (rookie) - 1 game 25-Aug
- 2009: Mahoning Valley Scrappers, New York-Penn League (short-season) - 2 games 8-Sep 14-Sep
- Ariel Martinez (catcher, b. unknown, Cuba)
- 2017: Cuban National Team, Can-Am League (independent) - 1 game 22-Jun
- Buck Martinez (catcher, b. 1948, California)
- 1974: Kansas City Royals, American League (MLB) - 1 game 25-Apr
- Candy Martinez (outfielder, b. 1978, Dominican Republic)
- 2001: Wilmington Waves, South Atlantic League (Low-A) - 1 game 6-Aug
- Carlos Martinez (infielder, b. 1965, Venezuela)
- 1991: Cleveland Indians, American League (MLB) - 1 game 15-Sep
- Carlos Martinez (pitcher, b. 1991, Dominican Republic)
- 2019: St. Louis Cardinals, Major League Baseball - 1 game 18-Sep
- Carlos Martinez (catcher, b. 1995, Colombia)
- 2019: Mississippi Braves, Southern League (AA) - 2 games 26-Jul 28-Jul
- 2021: Colombia, Americas Olympic Qualifier - 1 game 31-May
- Chazz Martinez (pitcher, b. 2000, California)
- 2023: Columbia Fireflies, Carolina League (Low-A) - 1 game 8-Sep
- 2024: Surprise Saguaros, Arizona Fall League - 1 game 11-Oct
- Chito Martinez (outfielder, b. 1965, Belize)
- 1991: Baltimore Orioles, American League (MLB) - 1 game 15-Sep
- 1992: Baltimore Orioles, American League (MLB) - 1 game 21-Aug
- Cristhian Martinez (pitcher, b. 1982, Dominican Republic)
- 2011: Atlanta Braves, Major League Baseball - 2 games 8-Aug 8-Sep g2
- 2012: Atlanta Braves, Major League Baseball - 1 game 8-Apr
- Dailyn Martinez (pitcher, b. 1993, Dominican Republic)
- 2017: Palm Beach Cardinals, Florida State League (High-A) - 1 game 28-May
- Dalvis Martinez (infielder, b. 1973)
- 1993: Niagara Falls Rapids, New York-Penn League (short-season) - 1 game 21-Aug
- Dan Martinez (pitcher, b. 1978, California)
- 2001: Bristol Sox, Appalachian League (rookie) - 1 game 5-Aug
- Dave Martinez (first base/outfield, b. 1964, New York)
- 2000: Toronto Blue Jays, Major League Baseball - 2 games 25-Aug 13-Sep
- David Martinez (pitcher, b. 1987, Venezuela)
- 2011: Lexington Legends, South Atlantic League (Low-A) - 1 game 2-Jul
- Dennis Martinez (pitcher, b. 1954, Nicaragua)
- 1994: Cleveland Indians, American League (MLB) - 2 games 4-Jul 31-Jul
- 1998: Atlanta Braves, National League (MLB) - 1 game 11-Apr
- DJ Martinez (infielder, b. 1993, Virginia)
- 2016: Birmingham-Bloomfield Beavers, United Shore League (independent) - 1 game 6-Aug
- Domingo Martinez (infielder, b. 1967, Dominican Republic)
- 1992: Syracuse Chiefs, International League (AAA) - 1 game 19-Aug
- 1992: Toronto Blue Jays, American League (MLB) - 1 game 27-Sep
- Domingo Martinez (catcher, b. 1980, Dominican Republic)
- 2002: Idaho Falls Padres, Pioneer League (rookie) - 1 game (as Angleidy Garcia) 14-Aug
- Eddy Martinez (infielder, b. 1977, Dominican Republic)
- Edgar Martinez (infielder, b. 1963, New York)
- 1994: Seattle Mariners, American League (MLB) - 2 games 23-Jul g1 23-Jul g2
- 1997: Seattle Mariners, American League (MLB) - 1 game 3-Sep
- 1999: Seattle Mariners, American League (MLB) - 1 game 21-Aug
- Edgar Martinez (catcher, then pitcher, b. 1981, Venezuela)
- 2001: Lowell Spinners, New York-Penn League (short-season) - 1 game 6-Jul
- 2003: Sarasota Red Sox, Florida State League (High-A) - 2 games 22-Aug 30-Aug
- 2004: Augusta Greenjackets, South Atlantic League (Low-A) - 1 game 3-Aug
- 2005: Portland Sea Dogs, Eastern League (AA) - 1 game 10-Sep
- 2008: Pawtucket Red Sox, International League (AAA) - 1 game 7-Sep
- Emerson Martinez (pitcher, b. 1995, Venezuela)
- 2016: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 22-Aug
- Enfember Martinez (pitcher, b. 1995, Venezuela)
- 2014: Lowell Spinners, New York-Penn League (short-season) - 1 game 31-Jul
- Ernesto Martinez (first baseman, b. 1999, Cuba)
- 2019: Rocky Mountain Vibes, Pioneer League (rookie) - 1 game 6-Jul
- 2021: Carolina Mudcats, Low-A East - 1 game 5-Sep
- Estarlin Martinez (utility, b. 1992, Dominican Republic)
- 2012: Auburn Doubledays, New York-Penn League (short-season) - 1 game 21-Jul
- Fabio Martinez (pitcher, b. 1989, Dominican Republic)
- 2012: Carolina Mudcats, Carolina League (High-A) - 1 game 3-Sep
- Felix Martinez (infielder, b. 1974, Dominican Republic)
- 1994: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 4-Aug
- 1998: Omaha Royals, Pacific Coast League (AAA) - 1 game 21-Aug g1
- 2009: Newark Bears, Atlantic League (independent) - 1 game 31-Aug
- Fernando Martinez (outfielder, b. 1988, Dominican Republic)
- 2006: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 26-Apr
- 2007: Binghamton Mets, Eastern League (AA) - 1 game 3-May g1
- Francisco Martinez (infielder, b. 1990, Venezuela)
- 2014: Erie SeaWolves, Eastern League (AA) - 1 game 4-Jul
- Frank Martinez (infielder, b. 1985, Dominican Republic)
- 2006: Kane County Cougars, Midwest League (Low-A) - 1 game 7-Aug
- 2014: Southern Illinois Miners, Frontier League (independent) - 1 game 27-Aug
- Fray Martinez (pitcher, b. 1989, Dominican Republic)
- 2014: Rockland Boulders, Can-Am League (independent) - 3 games 1-Aug 3-Sep 6-Sep
- Gabby Martinez (infielder, b. 1974, Puerto Rico)
- 1994: Stockton Ports, California League (High-A) - 1 game 2-Sep
- 1998: Tampa Yankees, Florida State League (High-A) - 1 game 8-Aug g2
- 2000: Binghamton Mets, Eastern League (AA) - 1 game 8-Sep
- Gabriel Martinez (infielder, b. 1983, Puerto Rico)
- 2003: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 11-Aug 21-Aug
- 2004: Bakersfield Blaze, California League (High-A) - 1 game 12-Aug
- Gabriel Martinez (outfielder, b. 2002, Venezuela)
- Gil Martinez (outfielder, b. 1967)
- 1999: Somerset Patriots, Atlantic League (independent) - 2 games 11-Jul 21-Jul
- 2000: Aberdeen Arsenal, Atlantic League (independent) - 1 game 6-Jul
- 2001: Camden Riversharks, Atlantic League (independent) - 2 games 13-May 7-Sep
- Greg Martinez (outfielder, b. 1972, Nevada)
- 2002: Atlantic City Surf, Atlantic League (independent) - 1 game 19-Sep
- Guillermo Martinez (infielder, b. 1984, Florida)
- 2006: Jamestown Jammers, New York-Penn League (short-season) - 1 game 4-Jul
- 2010: Lake County Fielders, Northern League (independent) - 2 games 23-Aug 4-Sep
- Gustavo Martinez (pitcher, b. 1975, Dominican Republic)
- 2007: Lancaster Barnstormers, Atlantic League (independent) - 1 game 9-Jun
- Harold Martinez (infielder, b. 1990, Florida)
- 2015: Reading Fightin Phils, Eastern League (AA) - 1 game 9-Aug
- 2016: Reading Fightin Phils, Eastern League (AA) - 2 games 8-Sep 10-Sep
- 2017: Lehigh Valley IronPigs, International League (AAA) - 1 game 26-Jul
- Hipolito Martinez (outfielder, b. 1977, Dominican Republic)
- 2000: Visalia Oaks, California League (High-A) - 1 game 2-Sep
- 2003: Newark Bears, Atlantic League (independent) - 6 games 3-Aug 20-Aug 7-Sep 12-Sep g1 12-Sep g2 14-Sep
- 2004: Newark Bears, Atlantic League (independent) - 1 game 9-May
- 2004: Gary Southshore RailCats, Northern League (independent) - 1 game 11-Jul
- J.D. Martinez (outfielder, b. 1987, Florida)
- J.P. Martinez (pitcher, b. 1982, Louisiana)
- 2007: New Britain Rock Cats, Eastern League (AA) - 1 game 3-May g1
- J.P. Martinez (outfielder, b. 1996, Cuba)
- 2023: Texas Rangers, Major League Baseball - 1 game 11-Aug
- Javier Martinez (pitcher, b. 1977, Puerto Rico)
- 2003: Bridgeport Bluefish, Atlantic League (independent) - 1 game 3-Aug
- Jeremy Martinez (catcher, b. 1994, California)
- 2016: State College Spikes, New York-Penn League (short-season) - 1 game 11-Sep
- 2017: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 19-Sep
- 2018: Surprise Saguaros, Arizona Fall League - 1 game 9-Nov
- Jhonny Martinez (pitcher, b. 2004, Venezuela)
- 2023: FCL Braves, Florida Complex League (rookie) - 1 game 8-Jul
- Joan Martinez (pitcher, b. 1996, Dominican Republic)
- 2017: Lowell Spinners, New York-Penn League (short-season) - 1 game 22-Jul
- 2024: Charleston Dirty Birds, Atlantic League (independent) - 1 game 8-Aug
- Jordi Martinez (pitcher, b. 2000, Dominican Republic)
- Jose Martinez (infielder, b. 1942, Cuba; d. 2014, Florida)
- 1969: Pittsburgh Pirates, National League (MLB) - 1 game 29-Jun
- Jose Martinez (infielder, b. 1986, Venezuela)
- 2007: Springfield Cardinals, Texas League (AA) - 1 game 15-Aug
- 2015: Rochester Red Wings, International League (AAA) - 1 game 7-Sep
- Jose Martinez (first base/outfield, b. 1988, Venezuela)
- 2010: Winston-Salem Dash, Carolina League (High-A) - 1 game 7-Aug
- 2011: Winston-Salem Dash, Carolina League (High-A) - 1 game 28-May
- 2017: Palm Beach Cardinals, Florida State League (High-A) - 2 games 27-May 28-May
- 2018: St. Louis Cardinals, Major League Baseball - 2 games 1-Apr 20-Aug
- Jose Martinez (pitcher, b. 1994, Dominican Republic)
- 2013: Hillsboro Hops, Northwest League (short-season) - 1 game 24-Aug
- 2015: Kane County Cougars, Midwest League (Low-A) - 2 games 29-Aug g2 3-Sep
- 2017: Hillsboro Hops, Northwest League (short-season) - 1 game 29-Jul
- Jose Martinez (infielder, b. 1996, Venezuela)
- 2014: Burlington Royals, Appalachian League (rookie) - 1 game 19-Aug
- Jose Martinez (pitcher, b. 1999, Venezuela)
- 2019: Great Lakes Loons, Midwest League (Low-A) - 1 game 30-May
- Joucer Martinez (pitcher, b. 1986, Venezuela)
- 2009: Great Falls Voyagers, Pioneer League (rookie) - 1 game 16-Aug
- Juan Martinez (infielder, b. 1986, California)
- Juan Martinez (pitcher, b. 2001, El Salvador)
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g2
- Juan Martinez (pitcher, b. 2002, Venezuela)
- 2024: Daytona Tortugas, Florida State League (Low-A) - 2 games 16-May g2 27-May
- Juancito Martinez (pitcher, b. 1989, Dominican Republic)
- 2016: Jupiter Hammerheads, Florida State League (High-A) - 1 game 30-Aug
- Julio Pablo Martinez (outfielder, b. 1996, Cuba)
- 2016: Cuban National Team, Can-Am League (independent) - 1 game 23-Jun
- 2017: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 10-Aug
- 2019: Down East Wood Ducks, Carolina League (High-A) - 1 game 4-May
- Justin Martinez (pitcher, b. 1991, New York)
- 2018: New Jersey Jackals, Can-Am League (independent) - 1 game 11-Jul
- Justin Martinez (pitcher, b. 2001, Dominican Republic)
- 2022: Salt River Rafters, Arizona Fall League - 2 games 12-Oct 15-Oct
- 2023: Reno Aces, Pacific Coast League (AAA) - 1 game 8-Aug
- Larry Martinez (catcher/first base, b. 2005, Venezuela)
- 2024: FCL Rays, Florida Complex League (rookie) - 2 games 22-Jun 22-Jul
- Lino Martinez (pitcher, b. 1992, Venezuela)
- 2012: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 11-Jul
- 2013: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 8-Aug
- Liomar Martinez (pitcher, b. 2005, Dominican Republic)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 30-Jul
- Luis Martinez (infielder, b. 1976, Mexico)
- 1997: Savannah Sand Gnats, South Atlantic League (Low-A) - 1 game 12-Aug g1
- Luis Martinez (catcher, b. 1985, Florida)
- 2009: Lake Elsinore Storm, California League (High-A) - 1 game 27-Aug
- Luis Martinez (pitcher, b. 1995, Venezuela)
- 2019: Birmingham Barons, Southern League (AA) - 1 game 28-May
- Manny Martinez (outfielder, b. 1970, Dominican Republic)
- 1996: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 2 games 24-Aug 25-Aug
- 1998: Pittsburgh Pirates, National League (MLB) - 1 game 18-Jul
- 1999: Montreal Expos, National League (MLB) - 1 game 3-Oct
- 2005: Long Island Ducks, Atlantic League (independent) - 1 game 17-Sep
- Mario Martinez (infielder, b. 1989, Venezuela)
- 2014: Salem Red Sox, Carolina League (High-A) - 1 game 24-May
- Matt Martinez (infielder, b. 1971)
- 1993: Elmira Pioneers, New York-Penn League (short-season) - 1 game 5-Sep
- Michael Martinez (pitcher, b. 1981, California)
- 2004: Staten Island Yankees, New York-Penn League (short-season) - 1 game 16-Jul g2
- Michael Martinez (infielder, b. 1982, Dominican Republic)
- 2009: Harrisburg Senators, Eastern League (AA) - 1 game 11-Apr
- 2011: Philadelphia Phillies, Major League Baseball - 1 game 23-Jul
- 2012: Lehigh Valley IronPigs, International League (AAA) - 2 games 3-Jul 22-Jul
- 2014: Indianapolis Indians, International League (AAA) - 2 games 25-May 23-Aug
- Miguel Martinez (pitcher, b. 1981, Dominican Republic)
- 2003: Palm Beach Cardinals, Florida State League (High-A) - 1 game 28-Aug
- Miguel Martinez (pitcher, b. 1982, Puerto Rico)
- 2003: Wisconsin Timber Rattlers, Midwest League (Low-A) - 1 game 30-Jul
- 2022: Mayaguez Indios, Liga Clemente (winter) - 1 game 29-Nov
- Nerluis Martinez (catcher/first base, b. 1996, Venezuela)
- 2017: Williamsport Crosscutters, New York-Penn League (short-season) - 2 games 9-Aug 12-Aug g2
- Nick Martinez (pitcher, b. 1990, Florida)
- 2024: Cincinnati Reds, Major League Baseball - 1 game 26-Jul
- Nolan Martinez (pitcher, b. 1998, California)
- 2018: Staten Island Yankees, New York-Penn League (short-season) - 1 game 22-Jul
- 2023: Augusta GreenJackets, Carolina League (Low-A) - 1 game 9-May
- Obed Martinez (outfielder, b. 1975)
- 1995: Idaho Falls Padres, Pioneer League (rookie) - 1 game 10-Aug
- Octavio Martinez (catcher, b. 1979, California)
- 2000: Bluefield Orioles, Appalachian League (rookie) - 2 games 5-Aug g1 5-Aug g2
- 2006: Altoona Curve, Eastern League (AA) - 1 game 14-Apr
- 2009: Southern Maryland Blue Crabs, Atlantic League (independent) - 1 game 1-Oct
- 2010: Lancaster Barnstormers, Atlantic League (independent) - 1 game 19-Aug
- 2012: Sugar Land Skeeters, Atlantic League (independent) - 1 game 26-Jul
- Omar Martinez (catcher/first base, b. 2001, Venezuela)
- Orelvis Martinez (infielder, b. 2001, Dominican Republic)
- Orlando Martinez (outfielder, b. 1998, Cuba)
- 2018: Burlington Bees, Midwest League (Low-A) - 1 game 5-Aug
- 2021: Rocket City Trash Pandas, Double-A South - 1 game 5-Aug
- 2021: Glendale Desert Dogs, Arizona Fall League - 3 games 16-Oct 20-Oct 21-Oct
- Oscar Martinez (pitcher, b. 1978, Venezuela)
- 2000: Staten Island Yankees, New York-Penn League (short-season) - 2 games 4-Sep 9-Sep
- Ozzie Martinez (infielder, b. 1988, Puerto Rico)
- 2013: Chattanooga Lookouts, Southern League (AA) - 1 game 20-Jul
- 2015: Bowie Baysox, Eastern League (AA) - 2 games 3-Jul 22-Aug
- 2016: Norfolk Tides, International League (AAA) - 2 games 30-May 21-Aug
- 2022: Carolina Gigantes, Liga Clemente (winter) - 1 game 2-Dec
- Pablo Martinez (infielder, b. 1969, Dominican Republic)
- Pedro A Martinez (pitcher, b. 1968, Dominican Republic)
- 1993: San Diego Padres, National League (MLB) - 1 game 2-Jul g1
- 1994: San Diego Padres, National League (MLB) - 1 game 22-Jul g2
- 1996: Norfolk Tides, International League (AAA) - 1 game 25-Aug
- 1997: Cincinnati Reds, National League (MLB) - 1 game 25-Aug day
- 1998: Toledo Mud Hens, International League (AAA) - 1 game 14-Aug
- Pedro Martinez (pitcher, b. 1971, Dominican Republic)
- 1993: Los Angeles Dodgers, National League (MLB) - 1 game 17-Aug
- 1998: Boston Red Sox, American League (MLB) - 1 game 26-Jul
- 2005: New York Mets, Major League Baseball - 1 game 3-Aug
- Pedro Martinez (infielder, b. 2000, Dominican Republic)
- 2019: GCL Tigers East, Gulf Coast League (rookie) - 1 game 19-Aug
- Pedro Martinez (infielder, b. 2001, Venezuela)
- 2021: Bowling Green Hot Rods, High-A East - 1 game 1-Jul
- Ramiro Martinez (pitcher, b. 1972, California)
- 1996: Harrisburg Senators, Eastern League (AA) - 1 game 15-Jun
- Ramon Martinez (pitcher, b. 1968, Dominican Republic)
- 1993: Los Angeles Dodgers, National League (MLB) - 1 game 17-Aug
- Ramon Martinez (infielder, b. 1969, Dominican Republic)
- 1990: Welland Pirates, New York-Penn League (short-season) - 1 game 17-Aug
- 1994: Portland Sea Dogs, Eastern League (AA) - 2 games 24-Jul 20-Aug
- 1996: Lynchburg Hillcats, Carolina League (High-A) - 3 games 26-Jul 1-Sep g1 1-Sep g2
- Ramon Martinez (infielder, b. 1972, Pennsylvania)
- 1994: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 4-Aug
- 2000: San Francisco Giants, Major League Baseball - 1 game 2-Sep
- 2001: San Francisco Giants, Major League Baseball - 1 game 24-Aug
- Raudelis Martinez (catcher/first base, b. 2002, Cuba)
- 2023: FCL Rays, Florida Complex League (rookie) - 1 game 8-Jul
- 2023: Charleston RiverDogs, Carolina League (Low-A) - 1 game 5-Sep
- Rei Martinez (pitcher, b. 1992, Cuba)
- 2016: Great Britain, World Baseball Classic - 1 game 25-Sep
- Renae Martinez (catcher, b. 1994, California)
- 2018: Surprise Saguaros, Arizona Fall League - 2 games 6-Nov 10-Nov
- 2019: Jackson Generals, Southern League (AA) - 1 game 11-Sep
- Richard Martinez (pitcher, b. 1988, Venezuela)
- 2010: Staten Island Yankees, New York-Penn League (short-season) - 1 game 9-Aug
- Roberto Martinez (infielder, b. 2003, Dominican Republic)
- 2021: FCL Orioles Black, Florida Complex League (rookie) - 2 games 24-Aug g1 24-Aug g2
- 2023: FCL Orioles, Florida Complex League (rookie) - 1 game 19-Jun
- Romulo Martinez (infielder, b. 1968)
- 1987: Batavia Clippers, New York-Penn League (short-season) - 1 game 13-Aug
- Sandy Martinez (catcher, b. 1970, Dominican Republic)
- 1996: Toronto Blue Jays, American League (MLB) - 1 game 7-Sep
- 1997: Syracuse SkyChiefs, International League (AAA) - 1 game 2-Aug
- Seth Martinez (pitcher, b. 1994, Arizona)
- 2019: Midland RockHounds, Texas League (AA) - 1 game 22-Jul
- 2023: Houston Astros, Major League Baseball - 1 game 24-Apr
- Soenni Martinez (pitcher, b. 2001, Dominican Republic)
- Ted Martinez (infielder, b. 1947, Dominican Republic)
- 1971: New York Mets, National League (MLB) - 1 game 12-Sep
- 1972: New York Mets, National League (MLB) - 2 games 25-Jun g1 25-Jun g2
- 1974: New York Mets, National League (MLB) - 1 game 10-Jul
- Teodoro Martinez (outfielder, b. 1992, Venezuela)
- 2012: Myrtle Beach Pelicans, Carolina League (High-A) - 1 game 8-Aug
- 2019: Milwaukee Milkmen, American Association (independent) - 1 game 31-May
- 2019: Lincoln Saltdogs, American Association (independent) - 1 game 16-Jul
- 2021: West Virginia Power, Atlantic League (independent) - 1 game 19-Sep
- Tino Martinez (first baseman, b. 1967, Florida)
- Tony Martinez (infielder, b. 1973, California)
- 1999: New Jersey Jackals, Northeast League (independent) - 1 game 18-Jun
- Victor Martinez (catcher/first base, b. 1978, Venezuela)
- 1999: Mahoning Valley Scrappers, New York-Penn League (short-season) - 2 games 28-Aug 10-Sep
- 2002: Akron Aeros, Eastern League (AA) - 1 game 11-Apr
- 2008: Cleveland Indians, Major League Baseball - 1 game 31-Aug
- 2009: Cleveland Indians, Major League Baseball - 1 game 16-Apr
- 2011: Detroit Tigers, Major League Baseball - 1 game 30-Sep
- Wilmer Martinez (pitcher, b. 1981, Venezuela)
- 2002: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 30-Aug g2
- Yeral Martinez (first base/outfield, b. 2002, Dominican Republic)
- Yeraldy Martinez (outfielder, b. 1995, Dominican Republic)
- 2018: Dominican Republic, Can-Am League (independent) - 1 game 13-Jun
- Yohander Martinez (infielder, b. 2002, Venezuela)
- Eddy Martinez-Esteve (outfielder, b. 1983, Florida)
- 2006: Connecticut Defenders, Eastern League (AA) - 1 game 13-Apr
- 2009: Connecticut Defenders, Eastern League (AA) - 1 game 13-Sep
- 2013: Somerset Patriots, Atlantic League (independent) - 3 games 20-Sep 28-Sep 29-Sep
- Luis Martinez-Gomez (pitcher, b. 2003, California)
- 2023: Myrtle Beach Pelicans, Carolina League (Low-A) - 1 game 8-Sep
- Nick Martini (outfielder, b. 1990, Illinois)
- 2017: Memphis Redbirds, Pacific Coast League (AAA) - 2 games 6-Aug 19-Sep
- 2023: Louisville Bats, International League (AAA) - 1 game 1-Jul
- Renzo Martini (infielder, b. 1992, Venezuela)
- 2014: Staten Island Yankees, New York-Penn League (short-season) - 1 game 31-Jul
- Eric Martins (infielder, b. 1972, California)
- Jason Martinson (infielder, b. 1988, Texas)
- 2011: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 2-Jul
- 2012: Potomac Nationals, Carolina League (High-A) - 1 game 8-Aug
- 2014: Harrisburg Senators, Eastern League (AA) - 1 game 3-Aug
- 2016: Syracuse Chiefs, International League (AAA) - 1 game 5-Aug
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 1 game 14-Jul
- Shairon Martis (pitcher, b. 1987, Curacao)
- 2008: Harrisburg Senators, Eastern League (AA) - 1 game 10-Apr
- Brandon Martorano (catcher, b. 1998, New Jersey)
- 2022: Richmond Flying Squirrels, Eastern League (AA) - 1 game 1-Sep
- Nathan Martorella (first base/outfield, b. 2001, California)
- 2023: Peoria Javelinas, Arizona Fall League - 2 games 11-Oct 14-Oct
- 2024: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Jun
- Michael Martucci (infielder, b. 1992)
- 2015: Sussex County Miners, Can-Am League (independent) - 1 game 18-Aug
- Jack Maruskin (pitcher, b. 1999, Maryland)
- 2024: FCL Orioles, Florida Complex League (rookie) - 1 game 4-May
- Addison Maruszak (infielder, b. 1986, Florida)
- 2008: Staten Island Yankees, New York-Penn League (short-season) - 2 games 16-Jul 5-Sep
- 2011: Trenton Thunder, Eastern League (AA) - 1 game 3-Aug
- 2012: Trenton Thunder, Eastern League (AA) - 2 games 4-Jul 15-Sep
- 2013: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 1 game 24-Apr
- Raul Marval (infielder, b. 1975, Venezuela)
- 1997: Bakersfield Blaze, California League (High-A) - 1 game 28-Aug
- 1998: Shreveport Captains, Texas League (AA) - 1 game 25-Aug
- 2000: Shreveport Captains, Texas League (AA) - 1 game 20-Aug
- 2001: Quebec Les Capitales, Northeast League (independent) - 1 game 20-Jul
- 2003: Atlantic City Surf, Atlantic League (independent) - 2 games 7-Aug 14-Aug
- 2004: Atlantic City Surf, Atlantic League (independent) - 3 games 19-Jul 5-Aug 2-Sep
- 2005: Atlantic City Surf, Atlantic League (independent) - 2 games 27-Sep 29-Sep
- 2006: Atlantic City Surf, Atlantic League (independent) - 3 games 15-Jul 16-Jul 1-Aug
- 2007: Camden Riversharks, Atlantic League (independent) - 1 game 31-Aug
- John Marzano (catcher, b. 1963, Pennsylvania; d. 2008, Pennsylvania)
- 1992: Boston Red Sox, American League (MLB) - 2 games 14-Aug g1 14-Aug g2
- 1995: Oklahoma City 89ers, American Association (AAA) - 1 game 17-Aug
- Evan Marzilli (outfielder, b. 1991, Massachusetts)
- 2019: Jackson Generals, Southern League (AA) - 1 game 26-Jul
- Damon Mashore (outfielder, b. 1969, Puerto Rico)
- 2001: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 3-Aug
- Justin Mashore (outfielder, b. 1972, California)
- 1991: Bristol Tigers, Appalachian League (rookie) - 1 game 16-Aug
- 1994: Trenton Thunder, Eastern League (AA) - 1 game 8-Aug
- 1995: Toledo Mud Hens, International League (AAA) - 1 game 30-Apr
- 1999: Trenton Thunder, Eastern League (AA) - 1 game 29-Apr
- Rich Mascheri (pitcher, b. 1989, Illinois)
- 2019: Chicago Dogs, American Association (independent) - 1 game 1-Jun
- Joe Maskivish (pitcher, b. 1971, South Carolina)
- 1999: Newark Bears, Atlantic League (independent) - 1 game 21-Jul
- John Masklee (pitcher, b. 1986)
- 2011: New York Federals, Can-Am League (independent) - 1 game 16-Aug
- Troy Maslowski (outfielder, b. 1997)
- 2019: Santa Fe Fuego, Pecos League (independent) - 1 game 9-Jul
- Gary Mason (outfielder, b. 1998, Alabama)
- 2021: Wasco Reserve, Pecos League (independent) - 1 game 17-Jul
- Jim Mason (infielder, b. 1950, Alabama)
- 1974: New York Yankees, American League (MLB) - 1 game 25-Apr
- 1976: New York Yankees, American League (MLB) - 1 game 9-Jul
- Michael Mason (pitcher, b. 1990, Ohio)
- 2013: Asheville Tourists, South Atlantic League (Low-A) - 1 game 26-May
- Roger Mason (pitcher, b. 1957, Michigan)
- 1992: Pittsburgh Pirates, National League (MLB) - 1 game 20-Aug
- 1993: San Diego Padres, National League (MLB) - 1 game 2-Jul g1
- 1993: Philadelphia Phillies, National League (MLB) - 2 games 12-Sep 19-Sep
- Jonnie Massad (pitcher, b. 1991, Massachusetts)
- 2014: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 28-Jul
- 2015: Beloit Snappers, Midwest League (Low-A) - 1 game 5-Sep
- Bryce Massanari (catcher/first base, b. 1986, Nevada)
- 2015: Ottawa Champions, Can-Am League (independent) - 2 games 19-Jun 15-Aug
- John Massarelli (catcher/outfielder, b. 1966, Ohio)
- 1994: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 31-Aug
- Nick Massari (infielder, b. 1984, New Jersey)
- 2006: Washington Wild Things, Frontier League (independent) - 1 game 8-Aug
- Michael Massaro (outfielder, b. 1984, Colorado)
- 2007: Kane County Cougars, Midwest League (Low-A) - 1 game 6-Aug
- Billy Masse (outfielder, b. 1966, Connecticut)
- 1992: Columbus Clippers, International League (AAA) - 1 game 19-Aug
- Nick Masset (pitcher, b. 1982, Florida)
- 2007: Charlotte Knights, International League (AAA) - 1 game 2-Sep
- 2011: Cincinnati Reds, Major League Baseball - 1 game 26-Sep
- Beau Massey (pitcher, b. 1981)
- 2005: Richmond Roosters, Frontier League (independent) - 1 game 6-Aug
- 2006: Rockford RiverHawks, Frontier League (independent) - 1 game 8-Aug
- Craig Massey (infielder, b. 1989, Tennessee)
- 2014: Santa Fe Fuego, Pecos League (independent) - 1 game 21-Jul
- 2018: Somerset Patriots, Atlantic League (independent) - 2 games 10-Jun 23-Sep
- Grant Massey (infielder, b. 1992, Arkansas)
- 2017: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 24-Aug
- J.P. Massey (pitcher, b. 2000, Illinois)
- 2023: Bradenton Marauders, Florida State League (Low-A) - 1 game 20-May
- Kris Massey (pitcher, b. 1999, Indiana)
- 2024: Northern Colorado Owlz, Pioneer League (independent) - 2 games 5-Jul g1 16-Jul
- Michael Massey (infielder, b. 1998, Illinois)
- 2022: Kansas City Royals, Major League Baseball - 2 games 19-Aug 21-Aug
- Dan Massiatte (catcher, b. 1978, Texas)
- 2004: Montgomery Biscuits, Southern League (AA) - 1 game 4-Jul
- Eric Massingham (pitcher, b. 1986, California)
- 2010: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 22-Apr
- J.C. Masson (outfielder, b. 2002, Quebec)
- Dan Masteller (first base/outfield, b. 1968, Ohio)
- 1994: Salt Lake Buzz, Pacific Coast League (AAA) - 4 games 1-Sep 9-Sep 10-Sep 11-Sep
- 1996: Harrisburg Senators, Eastern League (AA) - 1 game 27-Aug
- David Masters (infielder, b. 1993, Missouri)
- 2013: Auburn Doubledays, New York-Penn League (short-season) - 1 game 2-Aug
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Jul g1
- 2014: Hagerstown Suns, South Atlantic League (Low-A) - 2 games 9-Aug 14-Aug
- 2016: Potomac Nationals, Carolina League (High-A) - 1 game 28-May
- 2017: Potomac Nationals, Carolina League (High-A) - 1 game 3-Jul
- 2019: Potomac Nationals, Carolina League (High-A) - 1 game 2-May
- Michael Mastroberti (utility, b. 1992, New Jersey)
- Miles Mastrobuoni (utility, b. 1995, California)
- 2016: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 3-Aug 11-Sep
- 2017: Bowling Green Hot Rods, Midwest League (Low-A) - 1 game 21-Aug
- 2019: Montgomery Biscuits, Southern League (AA) - 3 games 28-May 29-May 27-Jul
- 2022: Tampa Bay Rays, Major League Baseball - 1 game 28-Sep
- 2023: Chicago Cubs, Major League Baseball - 1 game 1-Oct
- 2024: Chicago Cubs, Major League Baseball - 1 game 23-Sep
- Darin Mastroianni (outfielder, b. 1985, New York)
- 2010: New Hampshire Fisher Cats, Eastern League (AA) - 3 games 11-May 30-May 9-Sep
- 2011: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 5-May
- 2014: Buffalo Bisons, International League (AAA) - 1 game 17-Aug
- Mike Mastrullo (utility, b. 1975)
- 1994: Burlington Indians, Appalachian League (rookie) - 1 game 3-Jul
- Bryan Mata (pitcher, b. 1999, Venezuela)
- 2019: Peoria Javelinas, Arizona Fall League - 1 game 19-Oct
- Frank Mata (pitcher, b. 1984, Venezuela)
- 2009: New Britain Rock Cats, Eastern League (AA) - 1 game 13-Sep
- Manuel Mata (first baseman, b. 1976)
- 1996: Martinsville Phillies, Appalachian League (rookie) - 1 game 27-Jul g2
- James Matan (first baseman, b. 1976, District of Columbia)
- 1999: Rockford Reds, Midwest League (Low-A) - 1 game 5-Sep
- 2000: Dayton Dragons, Midwest League (Low-A) - 1 game 21-Jul
- Alejandro Mateo (pitcher, b. 1994, Florida)
- 2019: Jupiter Hammerheads, Florida State League (High-A) - 1 game 15-May g2
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 1 game 17-Jul
- Angel Mateo (outfielder, b. 2005, Dominican Republic)
- 2023: FCL Rays, Florida Complex League (rookie) - 1 game 8-Jul
* Daniel Mateo - see Hector Tiburcio
- Daniel Mateo (infielder, b. 1991, Dominican Republic)
- 2015: Trois-Rivieres Aigles, Can-Am League (independent) - 5 games 11-Aug 15-Aug 18-Sep 19-Sep 20-Sep
- 2016: Trois-Rivieres Aigles, Can-Am League (independent) - 3 games 27-May 30-May 9-Aug
- 2017: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 10-Aug
- 2018: Sussex County Miners, Can-Am League (independent) - 2 games 8-Sep 14-Sep
- Francisco Mateo (pitcher, b. 1984, Dominican Republic)
- 2006: Pulaski Blue Jays, Appalachian League (rookie) - 1 game 19-Aug
- Henry Mateo (infielder, b. 1976, Dominican Republic)
- 2000: Harrisburg Senators, Eastern League (AA) - 1 game 7-Sep
- 2003: Montreal Expos, Major League Baseball - 1 game 6-Sep
- 2004: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 9-Apr
- 2005: Harrisburg Senators, Eastern League (AA) - 1 game 31-Jul
- 2008: Bridgeport Bluefish, Atlantic League (independent) - 1 game 20-Jul
- Jorge Mateo (utility, b. 1995, Dominican Republic)
- 2016: Tampa Yankees, Florida State League (High-A) - 1 game 24-Aug
- 2017: Trenton Thunder, Eastern League (AA) - 1 game 4-Jul
- 2019: Las Vegas Aviators, Pacific Coast League (AAA) - 2 games 1-Sep 2-Sep
- 2021: Baltimore Orioles, Major League Baseball - 2 games 16-Aug 19-Aug
- 2022: Baltimore Orioles, Major League Baseball - 2 games 9-Apr 5-May
- Jose Mateo (infielder, b. 1976, Dominican Republic)
- 2004: New Haven County Cutters, Northeast League (independent) - 1 game 6-Aug
- Juan Mateo (pitcher, b. 1992, Tennessee)
- 2022: Augusta GreenJackets, Carolina League (Low-A) - 1 game 2-Sep
- Julio Mateo (pitcher, b. 1977, Dominican Republic)
- 2007: Reading Phillies, Eastern League (AA) - 1 game 24-Aug g2
- Leandro Mateo (infielder, b. 1990, Dominican Republic)
- 2012: Johnson City Cardinals, Appalachian League (rookie) - 2 games 16-Aug 17-Aug g1
- Luis Mateo (outfielder, b. 1981, Dominican Republic)
- 2001: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game (as Luis Candelario) 25-Aug
- Luis Mateo (pitcher, b. 1990, Dominican Republic)
- 2012: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 2-Aug 9-Sep
- Luis Mateo (infielder, b. 1990, Puerto Rico)
- 2013: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 22-Jul
- 2016: Somerset Patriots, Atlantic League (independent) - 2 games 31-Jul g1 31-Jul g2
- Marcos Mateo (pitcher, b. 1984, Dominican Republic)
- 2013: Iowa Cubs, Pacific Coast League (AAA) - 1 game 29-Aug
- Nathanel Mateo (pitcher, b. 1980, Dominican Republic)
- 2005: San Antonio Missions, Texas League (AA) - 1 game 4-Sep
- Oliver Mateo (pitcher, b. 1997, Dominican Republic)
- Reynaldo Mateo (catcher, b. 1989, Dominican Republic)
- 2012: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 4-Aug
- Ruben Mateo (outfielder, b. 1978, Dominican Republic)
- Steven Mateo (infielder, b. 1992, Dominican Republic)
- 2014: AZL Angels, Arizona League (rookie) - 1 game 20-Jul
- 2015: Burlington Bees, Midwest League (Low-A) - 2 games 28-Aug 4-Sep
- Waner Mateo (pitcher, b. 1985, Dominican Republic)
- 2006: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 15-Aug
- Welfrin Mateo (infielder, b. 1995, Dominican Republic)
- 2017: Staten Island Yankees, New York-Penn League (short-season) - 2 games 9-Sep 12-Sep
- 2018: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 30-Aug
- 2019: Tampa Tarpons, Florida State League (High-A) - 5 games 8-Apr 16-Apr 19-Apr 20-Apr 28-Apr
- 2019: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 11-Aug
- Nick Matera (catcher/first base, b. 1996, New Jersey)
- 2019: Clearwater Threshers, Florida State League (High-A) - 3 games 7-Aug 17-Aug g1 24-Aug
- 2021: Clearwater Threshers, Low-A Southeast - 1 game 17-Aug
- 2022: Jersey Shore BlueClaws, South Atlantic League (High-A) - 1 game 4-May
- 2022: FCL Phillies, Florida Complex League (rookie) - 2 games 11-Aug 12-Aug
- Paddy Matera (infielder, b. 1987, New Jersey)
- 2010: Newark Bears, Atlantic League (independent) - 1 game 7-Sep g2
- 2011: Newark Bears, Can-Am League (independent) - 5 games 8-Jun 28-Jul 3-Aug 25-Aug 30-Aug
- 2012: Camden Riversharks, Atlantic League (independent) - 1 game 22-Aug
- 2015: Camden Riversharks, Atlantic League (independent) - 1 game 13-Aug
- Oscar Materano (infielder, b. 1981, Venezuela)
- 2002: Tri-City Dust Devils, Northwest League (short-season) - 1 game 13-Aug
- 2005: Schaumburg Flyers, Northern League (independent) - 1 game 10-Aug
- Mike Matheny (catcher, b. 1970, Ohio)
- 1996: Milwaukee Brewers, American League (MLB) - 2 games 4-Jul 25-Sep g2
- 1998: Milwaukee Brewers, National League (MLB) - 1 game 19-Aug
- 1999: Toronto Blue Jays, American League (MLB) - 1 game 29-Aug
- Shane Matheny (infielder, b. 1996, Washington)
- 2018: Augusta GreenJackets, South Atlantic League (Low-A) - 1 game 31-Aug
- Tate Matheny (outfielder, b. 1994, Missouri)
- 2015: Lowell Spinners, New York-Penn League (short-season) - 1 game 19-Aug
- 2018: Portland Sea Dogs, Eastern League (AA) - 2 games 26-May g1 26-May g2
- 2021: Worcester Red Sox, Triple-A East - 1 game 7-Sep
- Joe Mather (utility, b. 1982, Idaho)
- 2003: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 19-Aug
- Juan Matheus (infielder, b. 2004, Venezuela)
- 2024: FCL Yankees, Florida Complex League (rookie) - 1 game 23-Jul
- Aaron Mathews (outfielder, b. 1982, Oregon)
- 2004: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Aug
- Byron Mathews (outfielder, b. 1970, Missouri)
- 1994: Prince William Cannons, Carolina League (High-A) - 1 game 7-Aug
- Del Mathews (pitcher, b. 1974, Michigan)
- 1998: Nashville Sounds, Pacific Coast League (AAA) - 1 game 28-Aug
- 2003: Camden Riversharks, Atlantic League (independent) - 2 games 28-May 17-Sep
- Ryan Mathews (outfielder, b. 1989, Florida)
- 2015: Sussex County Miners, Can-Am League (independent) - 3 games 15-Jul 6-Aug 18-Aug
- Simon Mathews (pitcher, b. 1995, Connecticut)
- 2018: Inland Empire 66ers, California League (High-A) - 1 game 12-Aug
- T.J. Mathews (pitcher, b. 1970, Illinois)
- 1992: Hamilton Redbirds, New York-Penn League (short-season) - 1 game 9-Aug g2
- 1997: Oakland Athletics, American League (MLB) - 2 games 29-Aug 1-Sep
- 2005: Bridgeport Bluefish, Atlantic League (independent) - 1 game 15-Jun
- Terry Mathews (pitcher, b. 1964, Louisiana)
- 1996: Baltimore Orioles, American League (MLB) - 2 games 19-Sep g1 19-Sep g2
- 1997: Baltimore Orioles, American League (MLB) - 1 game 4-Jul g2
- Mark Mathias (infielder, b. 1994, California)
- 2019: Columbus Clippers, International League (AAA) - 1 game 17-Sep
- 2022: Texas Rangers, Major League Baseball - 1 game 16-Sep
- 2023: San Francisco Giants, Major League Baseball - 1 game 11-Aug
- Ryder Mathias (catcher/first base, b. 1981, Pennsylvania)
- 2005: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 7-Sep
- Zach Mathieu (first baseman, b. 1991, New Hampshire)
- 2015: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 19-Aug
- Jake Mathis (infielder, b. 1980, Florida)
- 2002: Provo Angels, Pioneer League (rookie) - 2 games 17-Aug g1 17-Aug g2
- 2003: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 30-Jul
- Jeff Mathis (catcher, b. 1983, Florida)
- 2010: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 22-Aug
- 2014: Miami Marlins, Major League Baseball - 2 games 15-Sep 17-Sep
- 2018: Arizona Diamondbacks, Major League Baseball - 1 game 19-Aug
- 2019: Texas Rangers, Major League Baseball - 2 games 17-Jul 19-Jul
- Joe Mathis (outfielder, b. 1974, South Carolina)
- 2000: Newark Bears, Atlantic League (independent) - 1 game 6-Jul
- 2001: Newark Bears, Atlantic League (independent) - 4 games 15-Aug 22-Sep 2-Oct 3-Oct
- 2002: Newark Bears, Atlantic League (independent) - 5 games 21-Jul 13-Sep 17-Sep 18-Sep 19-Sep
- 2005: Fargo-Moorhead RedHawks, Northern League (independent) - 1 game 8-Aug
- Patrick Mathis (outfielder, b. 1996, Texas)
- 2017: Greeneville Astros, Appalachian League (rookie) - 2 games 26-Aug 29-Aug
- Zack Mathis (infielder, b. 1998, California)
- 2021: Fort Wayne TinCaps, High-A Central - 1 game 18-Sep
- Wyatt Mathisen (infielder, b. 1993, Texas)
- 2016: Bradenton Marauders, Florida State League (High-A) - 1 game 30-Aug
- 2017: Altoona Curve, Eastern League (AA) - 2 games 3-Sep 13-Sep
- 2021: Durham Bulls, Triple-A East - 1 game 16-Jun
- Carter Mathison (outfielder, b. 2003, Indiana)
- Randy Matias (pitcher, b. 1986, Dominican Republic)
- 2008: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 6-Aug
- Seuly Matias (outfielder, b. 1998, Dominican Republic)
- 2021: Surprise Saguaros, Arizona Fall League - 1 game 16-Oct
- 2022: Northwest Arkansas Naturals, Texas League (AA) - 1 game 5-Aug
- J.J. Matijevic (outfielder, b. 1995, Pennsylvania)
- 2017: Tri-City ValleyCats, New York-Penn League (short-season) - 3 games 22-Jul 12-Aug g1 12-Aug g2
- 2018: Buies Creek Astros, Carolina League (High-A) - 1 game 29-Aug
- 2019: Corpus Christi Hooks, Texas League (AA) - 3 games 10-Jul 11-Jul 18-Jul
- 2019: Peoria Javelinas, Arizona Fall League - 3 games 16-Oct 18-Oct 19-Oct
- 2022: Sugar Land Space Cowboys, Pacific Coast League (AAA) - 1 game 3-Aug
- Jon Matlack (pitcher, b. 1950, Pennsylvania)
- 1972: New York Mets, National League (MLB) - 1 game 25-Jun g1
- 1977: New York Mets, National League (MLB) - 1 game 12-Jul
- David Matoma (pitcher, b. 2006, Uganda)
- 2024: FCL Pirates, Florida Complex League (rookie) - 1 game 4-May
- Nick Maton (infielder, b. 1997, Illinois)
- Phil Maton (pitcher, b. 1993, Kentucky)
- Angel Matos (catcher, b. 1980, Dominican Republic)
- 2000: Pulaski Rangers, Appalachian League (rookie) - 2 games 31-Jul g1 4-Aug
- Domingo Matos (first baseman, b. 1972, Dominican Republic)
- 1992: Rockford Expos, Midwest League (Low-A) - 1 game 13-Aug
- Francisco Matos (infielder, b. 1969, Dominican Republic)
- 1993: Huntsville Stars, Southern League (AA) - 1 game 13-Aug
- 1997: Rochester Red Wings, International League (AAA) - 1 game 24-Aug
- 1999: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 21-Aug
- 2001: Allentown Ambassadors, Northeast League (independent) - 1 game 20-Jul
- 2003: Brockton Rox, Northeast League (independent) - 2 games 4-Sep 5-Sep
- Julius Matos (infielder, b. 1974, New York)
- 2004: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 9-Apr
- Luis Matos (outfielder, b. 1978, Puerto Rico)
- 1998: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 11-Jul
- 2000: Baltimore Orioles, Major League Baseball - 1 game 1-Oct
- 2001: Bowie Baysox, Eastern League (AA) - 1 game 22-Aug
- 2001: Baltimore Orioles, Major League Baseball - 1 game 2-Sep
- 2005: Bowie Baysox, Eastern League (AA) - 1 game 14-Jun
- 2005: Baltimore Orioles, Major League Baseball - 1 game 21-Sep
- Luis Matos (outfielder, b. 1999, Venezuela)
- Luis Matos (outfielder, b. 2002, Venezuela)
- 2022: Scottsdale Scorpions, Arizona Fall League - 1 game 15-Oct
- 2023: San Francisco Giants, Major League Baseball - 1 game 11-Aug
- Malvin Matos (outfielder, b. 1972, Venezuela)
- 2002: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 1-Sep
- Malvin Matos (outfielder, b. 1996, Venezuela)
- Pascual Matos (catcher, b. 1974, Dominican Republic)
- 1997: Durham Bulls, Carolina League (High-A) - 1 game 16-Aug
- Sthervin Matos (infielder, b. 1994, Dominican Republic)
- 2015: Wisconsin Timber Rattlers, Midwest League (Low-A) - 1 game 31-Aug
- 2018: Dominican Republic, Can-Am League (independent) - 1 game 13-Jun
- Wilfrido Matos (infielder, b. 2000, Dominican Republic)
- 2019: GCL Nationals, Gulf Coast League (rookie) - 1 game 8-Aug
- Wilson Matos (infielder, b. 1985, New York)
- 2011: New York Federals, Can-Am League (independent) - 1 game 16-Aug
- Wilson Matos (pitcher, b. 1988, Dominican Republic)
- 2009: Jamestown Jammers, New York-Penn League (short-season) - 1 game 20-Jul
- David Matranga (infielder, b. 1977, California)
- 2000: Round Rock Express, Texas League (AA) - 1 game 24-Aug
- Zach Matson (pitcher, b. 1995, Missouri)
- 2016: GCL Orioles, Gulf Coast League (rookie) - 1 game 26-Aug
- Hideki Matsui (outfielder, b. 1974, Japan)
- 2004: New York Yankees, Major League Baseball - 3 games 20-Sep 21-Sep 6-Oct
- 2005: New York Yankees, Major League Baseball - 1 game 21-Sep
- 2006: Trenton Thunder, Eastern League (AA) - 1 game 7-Sep
- 2006: New York Yankees, Major League Baseball - 1 game 27-Sep
- 2007: New York Yankees, Major League Baseball - 2 games 19-Sep 22-Sep
- 2008: New York Yankees, Major League Baseball - 1 game 29-Aug
- 2009: New York Yankees, Major League Baseball - 1 game 16-Apr
- 2010: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 22-Aug
- 2011: Oakland Athletics, Major League Baseball - 1 game 23-Aug
- Kazuo Matsui (infielder, b. 1975, Japan)
- 2004: New York Mets, Major League Baseball - 2 games 24-Sep 2-Oct
- 2005: New York Mets, Major League Baseball - 3 games 10-Jun 14-Sep 28-Sep
- 2005: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 4-Aug
- 2009: Houston Astros, Major League Baseball - 1 game 29-Sep
- Hideaki Matsumoto (pitcher, b. 1989, Japan)
- 2016: Shikoku Island, Can-Am League (independent) - 1 game 16-Jun
- Daisuke Matsuzaka (pitcher, b. 1980, Japan)
- 2014: New York Mets, Major League Baseball - 1 game 20-Apr
- Yusuke Matsuzawa (outfielder, b. 1992, Japan)
- 2016: Shikoku Island, Can-Am League (independent) - 1 game 16-Jun
- Travis Mattair (infielder, b. 1988, Washington)
- 2008: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 3-Apr 18-Aug
- 2009: Lakewood BlueClaws, South Atlantic League (Low-A) - 3 games 10-Apr 6-Aug 15-Sep
- Troy Mattes (pitcher, b. 1975, Illinois)
- 1999: Harrisburg Senators, Eastern League (AA) - 1 game 6-Sep
- 2000: Harrisburg Senators, Eastern League (AA) - 1 game 7-Sep
- 2003: Harrisburg Senators, Eastern League (AA) - 1 game 5-Apr
- 2005: Lancaster Barnstormers, Atlantic League (independent) - 2 games 2-Jul 10-Jul
- Brice Matthews (infielder, b. 2002, Texas)
- 2023: Fayetteville Woodpeckers, Carolina League (Low-A) - 1 game 5-Sep
- Dave Matthews (outfielder, b. 1997, Pennsylvania)
- Gary Matthews (outfielder, b. 1950, California)
- 1981: Philadelphia Phillies, National League (MLB) - 1 game 14-Aug
- 1982: Philadelphia Phillies, National League (MLB) - 1 game 13-Apr
- 1983: Philadelphia Phillies, National League (MLB) - 1 game 5-Apr
- 1984: Chicago Cubs, National League (MLB) - 1 game 8-Sep
- Gary Matthews (outfielder, b. 1974, California)
- 2000: Chicago Cubs, Major League Baseball - 3 games 12-Aug 22-Aug 2-Sep
- 2001: Chicago Cubs, Major League Baseball - 1 game 29-Jul
- 2003: San Diego Padres, Major League Baseball - 2 games 2-Aug g1 2-Aug g2
- 2009: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 26-Aug
- Jaren Matthews (first base/outfield, b. 1989, New Jersey)
- 2013: Rockland Boulders, Can-Am League (independent) - 1 game 11-Aug
- Jason Matthews (infielder, b. 1997, New Zealand)
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 2 games 17-Jul 31-Aug
- 2024: Birmingham Barons, Southern League (AA) - 1 game 18-Jun
- John Matthews (pitcher, b. 1998, Pennsylvania)
- 2021: Down East Wood Ducks, Low-A East - 1 game 17-Jun
- Jon Matthews (outfielder, b. 1991, New Jersey)
- 2013: Dayton Dragons, Midwest League (Low-A) - 1 game 31-Aug
- 2014: Dayton Dragons, Midwest League (Low-A) - 1 game 30-Aug
- Mike Matthews (pitcher, b. 1973, Virginia)
- 2001: St. Louis Cardinals, Major League Baseball - 1 game 29-Jul
- 2003: San Diego Padres, Major League Baseball - 2 games 2-Aug g1 2-Aug g2
- Zebby Matthews (pitcher, b. 2000, North Carolina)
- 2023: Fort Myers Mighty Mussels, Florida State League (Low-A) - 1 game 16-Apr
- Will Matthiessen (first base/outfield, b. 1998, Oregon)
- 2021: Bradenton Marauders, Low-A Southeast - 3 games 13-May 14-May 16-May
- 2021: Greensboro Grasshoppers, High-A East - 1 game 1-Jul
- 2023: Greensboro Grasshoppers, South Atlantic League (High-A) - 1 game 10-May
- Jake Matthys (pitcher, b. 1994, Minnesota)
- 2020: Milwaukee Milkmen, American Association (independent) - 1 game 21-Jul
- Garrett Mattlage (infielder, b. 1993, Texas)
- 2016: Lakeland Flying Tigers, Florida State League (High-A) - 1 game 23-Aug g2
- Don Mattingly (first baseman, b. 1961, Indiana)
- Preston Mattingly (utility, b. 1987, New Jersey)
- 2007: Great Lakes Loons, Midwest League (Low-A) - 1 game 6-Aug
- 2009: Inland Empire 66ers, California League (High-A) - 1 game 26-Aug
- Nick Mattioni (pitcher, b. 1979, Pennsylvania)
- 2000: Pittsfield Mets, New York-Penn League (short-season) - 1 game 26-Aug
- 2006: Reading Phillies, Eastern League (AA) - 1 game 3-Jul
- Chris Mattison (first baseman, b. 1994, Pennsylvania)
- 2017: Tri-City Dust Devils, Northwest League (short-season) - 2 games 4-Aug 5-Aug
- Justin Mattison (outfielder, then pitcher, b. 1981, California)
- 2006: Eugene Emeralds, Northwest League (short-season) - 1 game 22-Aug
- Kevin Mattison (outfielder, b. 1985, Florida)
- 2011: Jacksonville Suns, Southern League (AA) - 2 games 7-Aug 12-Aug
- 2013: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 21-Jul
- Kieran Mattison (pitcher, b. 1980, California)
- 2010: Camden Riversharks, Atlantic League (independent) - 1 game 15-Aug
- Tyler Mattison (pitcher, b. 1999, New York)
- 2022: Lakeland Flying Tigers, Florida State League (Low-A) - 2 games 1-Jul 3-Sep g1
- 2022: Salt River Rafters, Arizona Fall League - 1 game 12-Oct
- Logan Mattix (outfielder, b. 1996)
- 2018: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 9-Sep
- David Mattle (outfielder, b. 1979, Ohio)
- 2003: Lakeland Tigers, Florida State League (High-A) - 1 game 25-Aug
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- Craig Mattson (pitcher, b. 1973, Illinois)
- 2000: Nashua Pride, Atlantic League (independent) - 1 game 3-Jul
- 2003: Atlantic City Surf, Atlantic League (independent) - 1 game 14-Aug
- Isaac Mattson (pitcher, b. 1995, Pennsylvania)
- 2019: Mesa Solar Sox, Arizona Fall League - 1 game 15-Oct
- 2024: Pittsburgh Pirates, Major League Baseball - 1 game 24-Sep
- John Mattson (pitcher, b. 1976, Washington)
- 1998: Pittsfield Mets, New York-Penn League (short-season) - 1 game 30-Jul
- Michael Matuella (pitcher, b. 1994, Virginia)
- 2019: Down East Wood Ducks, Carolina League (High-A) - 1 game 4-May
- Jeff Matulevich (pitcher, b. 1970, Connecticut)
- 1998: Nashua Pride, Atlantic League (independent) - 1 game 4-Jul
- John Matulia (outfielder, b. 1986, Georgia)
- 2005: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 7-Sep
- 2006: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 13-Aug
- 2009: Charlotte Stone Crabs, Florida State League (High-A) - 1 game 5-Sep
- 2011: Durham Bulls, International League (AAA) - 1 game 5-Aug
- Joe Matullo (catcher, b. 1980, New Jersey)
- 2004: Atlantic City Surf, Atlantic League (independent) - 1 game 5-Aug
- Brian Matusz (pitcher, b. 1987, Colorado)
- 2014: Baltimore Orioles, Major League Baseball - 2 games 18-Apr 22-Sep
- Len Matuszek (first base/outfield, b. 1954, Ohio)
- 1982: Philadelphia Phillies, National League (MLB) - 1 game 13-Apr
- 1983: Philadelphia Phillies, National League (MLB) - 1 game 5-Apr
- Steven Matz (pitcher, b. 1991, New York)
- 2015: New York Mets, Major League Baseball - 1 game 31-Oct
- 2016: New York Mets, Major League Baseball - 1 game 1-Aug
- 2018: New York Mets, Major League Baseball - 2 games 1-Apr 13-Apr
- 2019: New York Mets, Major League Baseball - 1 game 1-Apr
- 2021: Toronto Blue Jays, Major League Baseball - 3 games 10-Apr 23-Apr 28-Apr
- Tyler Matzek (pitcher, b. 1990, California)
- 2020: Atlanta Braves, Major League Baseball - 1 game 13-Oct
- 2021: Atlanta Braves, Major League Baseball - 1 game 30-Apr
- Jake Mauer (infielder, b. 1978, Minnesota)
- Joe Mauer (catcher, b. 1983, Minnesota)
- 2010: Minnesota Twins, Major League Baseball - 2 games 22-Aug 2-Sep
- 2013: Minnesota Twins, Major League Baseball - 1 game 18-Aug
- 2016: Minnesota Twins, Major League Baseball - 1 game 18-Sep
- 2018: Minnesota Twins, Major League Baseball - 1 game 25-Apr
- Chris Mauloni (pitcher, b. 1998, Florida)
- Justin Maureau (pitcher, b. 1980, Colorado)
- 2003: Dunedin Blue Jays, Florida State League (High-A) - 1 game 25-Aug
- Brandon Maurer (pitcher, b. 1990, California)
- 2016: San Diego Padres, Major League Baseball - 1 game 13-Aug
- Dave Maurer (pitcher, b. 1975, Minnesota)
- 2001: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 3-Aug
- Michael Maurer (pitcher, b. 1972, Minnesota)
- 2000: Visalia Oaks, California League (High-A) - 1 game 2-Sep
- Alex Mauricio (pitcher, b. 1996, Virginia)
- 2022: Hudson Valley Renegades, South Atlantic League (High-A) - 1 game 4-May
- Joan Mauricio (infielder, b. 1996, Dominican Republic)
- 2017: Greeneville Astros, Appalachian League (rookie) - 2 games 26-Aug 29-Aug
- Ronny Mauricio (utility, b. 2001, Dominican Republic)
- 2019: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 30-Apr
- 2023: New York Mets, Major League Baseball - 2 games 6-Sep 28-Sep
- Sam Maus (infielder, b. 1991)
- 2015: St. Paul Saints, American Association (independent) - 1 game 1-Sep
- Tim Mauser (pitcher, b. 1966, Texas)
- 1994: San Diego Padres, National League (MLB) - 1 game 22-Jul g1
- David Maust (pitcher, b. 1978, West Virginia)
- 2005: Harrisburg Senators, Eastern League (AA) - 1 game 31-Jul
- Brycen Mautz (pitcher, b. 2001, California)
- 2023: Palm Beach Cardinals, Florida State League (Low-A) - 1 game 4-Jul
- 2024: Glendale Desert Dogs, Arizona Fall League - 1 game 10-Oct
- Brian Maxcy (pitcher, b. 1971, Mississippi)
- 1995: Toledo Mud Hens, International League (AAA) - 1 game 5-Aug
- 1995: Detroit Tigers, American League (MLB) - 1 game 1-Oct
- Dal Maxvill (infielder, b. 1939, Illinois)
- 1970: St. Louis Cardinals, National League (MLB) - 1 game 13-Sep
- 1972: St. Louis Cardinals, National League (MLB) - 2 games 25-Jun g1 25-Jun g2
- Bruce Maxwell (catcher, b. 1990, Germany)
- 2012: Vermont Lake Monsters, New York-Penn League (short-season) - 2 games 4-Aug 23-Aug
- Carson Maxwell (outfielder, b. 1997, Texas)
- 2022: Joliet Slammers, Frontier League (independent) - 1 game 6-Jul
- Jason Maxwell (infielder, b. 1972, Tennessee)
- 1998: Iowa Cubs, Pacific Coast League (AAA) - 1 game 17-Aug
- Justin Maxwell (outfielder, b. 1983, Maryland)
- 2007: Washington Nationals, Major League Baseball - 1 game 23-Sep
- 2008: Harrisburg Senators, Eastern League (AA) - 1 game 10-Apr
- 2010: Syracuse Chiefs, International League (AAA) - 1 game 30-Jul
- 2010: Washington Nationals, Major League Baseball - 2 games 2-Oct 3-Oct
- 2011: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 23-Apr g1
- Keith Maxwell (utility, b. 1975, Florida)
- Pat Maxwell (infielder, b. 1970)
- 1991: Burlington Indians, Appalachian League (rookie) - 1 game 16-Aug
- 1993: Kinston Indians, Carolina League (High-A) - 1 game 8-Aug
- 1994: Canton-Akron Indians, Eastern League (AA) - 2 games 21-Aug g1 21-Aug g2
- 1995: Canton-Akron Indians, Eastern League (AA) - 1 game 3-Jul
- Tucker Maxwell (outfielder, b. 1996, Georgia)
- Blake May (infielder, b. 1990)
- 2014: Trinidad Triggers, Pecos League (independent) - 1 game 22-Jul
- Carlos May (first base/outfield, b. 1948, Alabama)
- 1976: New York Yankees, American League (MLB) - 1 game 9-Jul
- Darrell May (pitcher, b. 1972, California)
- 1997: Anaheim Angels, American League (MLB) - 2 games 27-Aug 31-Aug
- 2002: Kansas City Royals, Major League Baseball - 1 game 21-Jun
- Derrick May (outfielder, b. 1968, New York)
- 1992: Chicago Cubs, National League (MLB) - 1 game 15-Aug
- 1993: Chicago Cubs, National League (MLB) - 1 game 11-Aug
- 1998: Montreal Expos, National League (MLB) - 2 games 9-Jul 23-Sep
- Freddy May (outfielder, b. 1976, Japan)
- 1999: Lynchburg Hillcats, Carolina League (High-A) - 1 game 13-Aug
- Jerry May (catcher, b. 1943, Virginia; d. 1996, Virginia)
- 1968: Pittsburgh Pirates, National League (MLB) - 1 game 15-Sep
- 1969: Pittsburgh Pirates, National League (MLB) - 1 game 29-Jun
- Lucas May (catcher, b. 1984, Nevada)
- 2012: Buffalo Bisons, International League (AAA) - 1 game 27-May
- 2014: Nashville Sounds, Pacific Coast League (AAA) - 1 game 21-Aug g1
- Rudy May (pitcher, b. 1944, Kansas, d. 2024)
- 1980: New York Yankees, American League (MLB) - 1 game 2-Sep
- Scott May (catcher, b. 1973, Pennsylvania)
- 1996: Erie SeaWolves, New York-Penn League (short-season) - 1 game 4-Aug
- Trevor May (pitcher, b. 1989, Washington)
- 2009: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 6-Aug
- 2021: New York Mets, Major League Baseball - 1 game 30-Sep
- 2023: Oakland Athletics, Major League Baseball - 1 game 9-Apr
- Yunesky Maya (pitcher, b. 1981, Cuba)
- 2010: Washington Nationals, Major League Baseball - 1 game 2-Oct
- 2011: Syracuse Chiefs, International League (AAA) - 1 game 3-Jul
- Chan Mayber (utility, b. 1972)
- John Mayberry (first baseman, b. 1949, Michigan)
- 1974: Kansas City Royals, American League (MLB) - 1 game 25-Apr
- John Mayberry (outfielder, b. 1983, Missouri)
- 2009: Lehigh Valley IronPigs, International League (AAA) - 1 game 12-Apr
- 2010: Lehigh Valley IronPigs, International League (AAA) - 1 game 29-Jul
- 2011: Philadelphia Phillies, Major League Baseball - 2 games 30-May 23-Jul
- 2012: Philadelphia Phillies, Major League Baseball - 2 games 29-Aug 17-Sep
- 2013: Philadelphia Phillies, Major League Baseball - 1 game 31-Jul
- 2015: New York Mets, Major League Baseball - 1 game 24-Jul
- Cameron Maybin (outfielder, b. 1987, North Carolina)
- 2010: Florida Marlins, Major League Baseball - 1 game 6-Sep day
- 2011: San Diego Padres, Major League Baseball - 1 game 23-Jul
- 2012: San Diego Padres, Major League Baseball - 1 game 13-Aug
- 2015: Atlanta Braves, Major League Baseball - 1 game 23-Sep
- 2017: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 21-Jun
- 2018: Miami Marlins, Major League Baseball - 1 game 30-Mar
- 2019: New York Yankees, Major League Baseball - 2 games 12-May 24-Sep
- 2021: New York Mets, Major League Baseball - 1 game 23-May
- Dan Maycock (outfielder, b. 1985, New York)
- 2008: River City Rascals, Frontier League (independent) - 1 game 16-Aug
- Brando Mayea (outfielder, b. 2005, Cuba)
- Aaron Mayer (pitcher, b. 1974, Minnesota)
- 1996: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 13-Aug
- Brian Mayer (catcher, b. 1994, New Jersey)
- 2017: Sussex County Miners, Can-Am League (independent) - 2 games 8-Aug 11-Aug
- Danny Mayer (outfielder, b. 1995, Illinois)
- Gunner Mayer (pitcher, b. 2000, California)
- James Mayer (infielder, b. 1984, Pennsylvania)
- 2007: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 29-Aug
- Marcelo Mayer (infielder, b. 2002, California)
- 2021: FCL Red Sox, Florida Complex League (rookie) - 1 game 23-Aug g1
- 2022: Salem Red Sox, Carolina League (Low-A) - 1 game 23-Jun
- 2022: Greenville Drive, South Atlantic League (High-A) - 1 game 16-Aug
- Jake Mayers (infielder, b. 1990, Virginia)
- 2013: Missoula Osprey, Pioneer League (rookie) - 1 game 19-Aug
- Mike Mayers (pitcher, b. 1991, Ohio)
- 2017: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 19-Sep
- 2021: Los Angeles Angels, Major League Baseball - 1 game 27-Jun
- Craig Mayes (catcher, b. 1970, Michigan)
- 1994: San Bernardino Spirit, California League (High-A) - 1 game 4-Sep
- Brandon Mayfield (pitcher, b. 1978, Alabama)
- 2003: Clearwater Phillies, Florida State League (High-A) - 1 game 30-Aug
- Jack Mayfield (infielder, b. 1990, Texas)
- 2018: Fresno Grizzlies, Pacific Coast League (AAA) - 1 game 13-Aug
- 2019: Round Rock Express, Pacific Coast League (AAA) - 1 game 23-Jul
- 2021: Los Angeles Angels, Major League Baseball - 2 games 11-Jul 18-Jul
- Damon Maynard (catcher, b. 1999, Indiana)
- 2024: Northern Colorado Owlz, Pioneer League (independent) - 1 game 5-Jul g2
- Brent Mayne (catcher, b. 1968, California)
- 1992: Kansas City Royals, American League (MLB) - 2 games 17-Aug 13-Sep
- 1996: New York Mets, National League (MLB) - 3 games 6-Apr 10-Sep 14-Sep
- 1997: Oakland Athletics, American League (MLB) - 2 games 29-Aug 1-Sep
- 2002: Kansas City Royals, Major League Baseball - 1 game 21-Jun
- Blake Mayo (pitcher, b. 1972, Alabama)
- 2000: El Paso Diablos, Texas League (AA) - 1 game 21-Aug
- Coby Mayo (infielder, b. 2001, Florida)
- 2022: Aberdeen IronBirds, South Atlantic League (High-A) - 2 games 8-May g1 8-May g2
- 2023: Norfolk Tides, International League (AAA) - 1 game 15-Jul
- 2024: Norfolk Tides, International League (AAA) - 1 game 21-Apr
- Daniel Mayora (infielder, b. 1985, Venezuela)
- 2006: Tri-City Dust Devils, Northwest League (short-season) - 1 game 23-Aug
- 2007: Asheville Tourists, South Atlantic League (Low-A) - 1 game 1-Sep
- 2011: Durham Bulls, International League (AAA) - 1 game 5-Aug
- 2013: Bridgeport Bluefish, Atlantic League (independent) - 1 game 7-Aug
- Gabriel Mayorga (infielder, b. 1982, California)
- 2008: Orange County Flyers, Golden League (independent) - 2 games 26-Jul 1-Aug
- Manny Mayorson (infielder, b. 1983, Dominican Republic)
- 2010: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 30-May
- Joe Mays (pitcher, b. 1975, Michigan)
- 1998: New Britain Rock Cats, Eastern League (AA) - 1 game 17-Sep
- Steve Mays (infielder, b. 1986)
- 2010: St. Paul Saints, American Association (independent) - 1 game 21-Aug
- Willie Mays (outfielder, b. 1931, Alabama; d. 2024, California)
- 1968: San Francisco Giants, National League (MLB) - 1 game 16-Jun
- 1972: New York Mets, National League (MLB) - 1 game 25-Jun g2
- Matt Maysey (pitcher, b. 1967, Ontario)
- 1992: Indianapolis Indians, American Association (AAA) - 1 game 9-Aug
- Edwin Maysonet (infielder, b. 1981, Puerto Rico)
- 2006: Salem Avalanche, Carolina League (High-A) - 1 game 14-Apr
- 2007: Corpus Christi Hooks, Texas League (AA) - 1 game 8-Aug
- 2009: Round Rock Express, Pacific Coast League (AAA) - 1 game 15-Aug
- 2013: Iowa Cubs, Pacific Coast League (AAA) - 1 game 29-Aug
- Jose Maysonet (infielder, b. 1976, Puerto Rico)
- 1998: Atlantic City Surf, Atlantic League (independent) - 1 game 12-Jul
- Tim Mayza (pitcher, b. 1992, Pennsylvania)
- 2016: Mesa Solar Sox, Arizona Fall League - 1 game 11-Oct
- 2021: Toronto Blue Jays, Major League Baseball - 5 games 23-Apr 25-Apr 1-May 24-May 21-Sep
- 2024: Toronto Blue Jays, Major League Baseball - 1 game 30-Mar
- Luis Maza (infielder, b. 1980, Venezuela)
- 2003: Fort Myers Miracle, Florida State League (High-A) - 1 game 31-Aug g2
- 2008: Las Vegas 51s, Pacific Coast League (AAA) - 1 game 29-Jul
- 2009: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 24-Aug
- Nomar Mazara (outfielder, b. 1995, Dominican Republic)
- 2013: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 25-May
- 2019: Texas Rangers, Major League Baseball - 1 game 19-Jul
- Patrick Mazeika (catcher, b. 1993, Massachusetts)
- 2016: Columbia Fireflies, South Atlantic League (Low-A) - 2 games 2-Jul 3-Sep
- 2017: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 18-Aug g2
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 2 games 28-May 20-Jun
- 2019: Scottsdale Scorpions, Arizona Fall League - 3 games 15-Oct 18-Oct 19-Oct
- 2021: New York Mets, Major League Baseball - 1 game 30-Jun
- Bill Mazeroski (infielder, b. 1936, West Virginia)
- 1968: Pittsburgh Pirates, National League (MLB) - 1 game 15-Sep
- 1969: Pittsburgh Pirates, National League (MLB) - 1 game 29-Jun
- Brian Mazone (pitcher, b. 1976, California)
- 2010: Lehigh Valley IronPigs, International League (AAA) - 1 game 29-Jul
- Brian Mazurek (first baseman, b. 1974, Illinois)
- 1996: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 4-Jul 22-Aug
- David Mazurek (pitcher, b. 1980, Illinois)
- 2004: Stockton Ports, California League (High-A) - 1 game 19-Aug g1
- Chris Mazza (pitcher, b. 1989, California)
- Vin Mazzaro (pitcher, b. 1986, New Jersey)
- 2017: Somerset Patriots, Atlantic League (independent) - 1 game 13-May g2
- 2018: New Jersey Jackals, Can-Am League (independent) - 3 games 10-Jul g2 11-Jul 18-Jul day
- 2023: New Jersey Jackals, Frontier League (independent) - 1 game 14-Jul
- Lee Mazzilli (outfielder, b. 1955, New York)
- 1977: New York Mets, National League (MLB) - 1 game 12-Jul
- 1981: New York Mets, National League (MLB) - 1 game 14-Aug
- L.J. Mazzilli (infielder, b. 1990, Connecticut)
- 2014: Scottsdale Scorpions, Arizona Fall League - 1 game 8-Oct
- 2015: Binghamton Mets, Eastern League (AA) - 1 game 16-Aug
- 2017: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 18-Aug g1
- 2018: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 2 games 17-May 15-Sep
- 2019: Long Island Ducks, Atlantic League (independent) - 1 game 14-Jul
- Josh Mazzola (utility, b. 1986, California)
- 2011: Augusta GreenJackets, South Atlantic League (Low-A) - 2 games 24-Jul 6-Aug
- 2014: Winnipeg Goldeyes, American Association (independent) - 1 game 19-Jun
- 2016: Somerset Patriots, Atlantic League (independent) - 1 game 22-Sep
- 2018: Winnipeg Goldeyes, American Association (independent) - 1 game 24-Aug
- 2019: High Point Rockers, Atlantic League (independent) - 1 game 3-May
- 2019: Lincoln Saltdogs, American Association (independent) - 1 game 16-Jul
- Cory Mazzoni (pitcher, b. 1989, Pennsylvania)
- 2018: Iowa Cubs, Pacific Coast League (AAA) - 1 game 6-Aug
- Josh McAdams (utility, b. 1994, Georgia)
- 2018: Winnipeg Goldeyes, American Association (independent) - 1 game 24-Aug
- Quincy McAfee (utility, b. 1997, California)
- 2019: Billings Mustangs, Pioneer League (rookie) - 1 game 4-Jul
- 2021: Chattanooga Lookouts, Double-A South - 1 game 5-Aug
- 2022: Chattanooga Lookouts, Southern League (AA) - 1 game 14-Jul
- 2023: Chattanooga Lookouts, Southern League (AA) - 1 game 20-Jun
- 2024: Chattanooga Lookouts, Southern League (AA) - 1 game 20-Jun
- Zach McAllister (pitcher, b. 1987, Illinois)
- 2007: Staten Island Yankees, New York-Penn League (short-season) - 1 game 1-Aug
- 2009: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 12-Sep
- 2021: Lehigh Valley IronPigs, Triple-A East - 1 game 7-Sep
- John McAninch (catcher/first base, b. 1973, Washington)
- 1996: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 13-Aug
- 1997: Lake Elsinore Storm, California League (High-A) - 1 game 28-Aug
- Paul McAnulty (first base/outfield, b. 1981, California)
- 2002: Idaho Falls Padres, Pioneer League (rookie) - 1 game 14-Aug
- Evan McArthur (infielder, b. 1984, California)
- 2010: Rockford RiverHawks, Northern League (independent) - 1 game 4-Sep
- James McArthur (pitcher, b. 1996, Texas)
- 2019: Clearwater Threshers, Florida State League (High-A) - 1 game 2-Aug
- Kennon McArthur (catcher, b. 1979, Alabama)
- 1999: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 28-Aug
- 2001: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 13-Apr 7-May
- Michael McAvene (pitcher, b. 1997, Indiana)
- 2022: South Bend Cubs, Midwest League (High-A) - 1 game 25-Jun
- Marcus McBeth (outfielder, then pitcher, b. 1980, South Carolina)
- Bake McBride (outfielder, b. 1949, Missouri)
- 1981: Philadelphia Phillies, National League (MLB) - 1 game 14-Aug
- Macay McBride (pitcher, b. 1982, Georgia)
- 2005: Atlanta Braves, Major League Baseball - 1 game 17-Sep
- Matt McBride (utility, b. 1985, Pennsylvania)
- 2006: Mahoning Valley Scrappers, New York-Penn League (short-season) - 1 game 26-Jul
- 2009: Akron Aeros, Eastern League (AA) - 1 game 29-Jul
- 2017: Nashville Sounds, Pacific Coast League (AAA) - 1 game 21-Aug
- Ryan McBroom (first baseman, b. 1992, Virginia)
- 2016: Dunedin Blue Jays, Florida State League (High-A) - 1 game 24-Aug
- 2016: Mesa Solar Sox, Arizona Fall League - 2 games 11-Oct 13-Oct
- 2018: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 4 games 17-May 2-Aug 11-Sep 15-Sep
- 2018: Trenton Thunder, Eastern League (AA) - 1 game 20-Jun
- 2021: Omaha Storm Chasers, Triple-A East - 1 game 8-Aug
- Mike McBryde (outfielder, b. 1985, Florida)
- 2009: Connecticut Defenders, Eastern League (AA) - 1 game 13-Sep
- David McCabe (infielder, b. 2000, Ontario)
- 2022: Augusta GreenJackets, Carolina League (Low-A) - 1 game 2-Sep
- 2023: Augusta GreenJackets, Carolina League (Low-A) - 1 game 9-May
- 2023: Salt River Rafters, Arizona Fall League - 2 games 11-Oct 14-Oct
- Marcus McCain (outfielder, b. 1974, Mississippi)
- 1998: Adirondack Lumberjacks, Northeast League (independent) - 1 game 19-Jul
- Derell McCall (pitcher, b. 1981, Florida)
- 2005: Worcester Tornadoes, Can-Am League (independent) - 1 game 1-Sep
- 2007: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 5-Apr
- 2013: Somerset Patriots, Atlantic League (independent) - 1 game 28-Sep
- 2014: Somerset Patriots, Atlantic League (independent) - 1 game 28-Sep
- Dexture McCall (first baseman, b. 1994, Florida)
- 2015: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 4-Aug
- 2017: Buies Creek Astros, Carolina League (High-A) - 1 game 11-Jun
- 2019: Sioux City Explorers, American Association (independent) - 2 games 1-Jun 7-Jun
- Dylan McCall (pitcher, b. 2004, Colorado)
- 2024: FCL Tigers, Florida Complex League (rookie) - 2 games 1-Jul 22-Jul
- Gerard McCall (catcher, b. 1979, Mississippi)
- 2000: Bristol Sox, Appalachian League (rookie) - 2 games 29-Jul 4-Aug
- 2005: Edinburg Roadrunners, Central League (independent) - 1 game 17-Aug
- Greg McCall (catcher, b. 1991, Texas)
- 2015: Wisconsin Timber Rattlers, Midwest League (Low-A) - 2 games 31-Aug 2-Sep
- Rod McCall (first baseman, b. 1971, California)
- 1994: Canton-Akron Indians, Eastern League (AA) - 2 games 21-Aug g1 21-Aug g2
- 1995: Canton-Akron Indians, Eastern League (AA) - 1 game 19-Aug
- Shilo McCall (outfielder, b. 1994, New Mexico)
- 2013: Salem-Keizer Volcanoes, Northwest League (short-season) - 1 game 20-Aug
- Geoff McCallum (infielder, b. 1977, Ontario)
- 2005: Schaumburg Flyers, Northern League (independent) - 1 game 10-Aug
- Brad McCann (infielder, b. 1982, Florida)
- 2005: Greensboro Grasshoppers, South Atlantic League (Low-A) - 2 games 9-Jul 27-Aug
- 2007: Wilmington Blue Rocks, Carolina League (High-A) - 2 games 29-Jul 25-Aug
- Brian McCann (catcher, b. 1984, Georgia)
- 2003: Rome Braves, South Atlantic League (Low-A) - 1 game 19-Jul
- 2005: Atlanta Braves, Major League Baseball - 2 games 6-Aug 17-Sep
- 2007: Atlanta Braves, Major League Baseball - 1 game 11-Sep
- 2009: Atlanta Braves, Major League Baseball - 1 game 21-Sep
- 2010: Atlanta Braves, Major League Baseball - 1 game 19-Sep
- 2011: Atlanta Braves, Major League Baseball - 1 game 8-Sep g1
- 2012: Atlanta Braves, Major League Baseball - 2 games 8-Apr 13-Aug
- 2014: New York Yankees, Major League Baseball - 4 games 5-Sep 10-Sep 19-Sep 22-Sep
- 2015: New York Yankees, Major League Baseball - 6 games 22-May 20-Aug 8-Sep 12-Sep g1 12-Sep g2 20-Sep
- 2016: New York Yankees, Major League Baseball - 5 games 1-Aug 4-Aug 13-Sep 28-Sep 1-Oct
- 2017: Houston Astros, Major League Baseball - 1 game 18-Oct
- 2018: Houston Astros, Major League Baseball - 1 game 29-Sep g2
- 2019: Atlanta Braves, Major League Baseball - 2 games 13-Aug 29-Sep
- James McCann (catcher, b. 1990, California)
- 2018: Detroit Tigers, Major League Baseball - 1 game 19-Sep
- 2019: Chicago White Sox, Major League Baseball - 1 game 1-Jun
- 2021: New York Mets, Major League Baseball - 5 games 15-May 23-May 30-Jun 6-Sep 30-Sep
- 2022: New York Mets, Major League Baseball - 2 games 3-May g2 15-Aug
- 2024: Baltimore Orioles, Major League Baseball - 2 games 10-Jun 18-Sep
- Kevin McCanna (pitcher, b. 1994, Illinois)
- 2019: Jackson Generals, Southern League (AA) - 2 games 10-Sep 11-Sep
- Jordan McCants (infielder, b. 2002, Florida)
- Mike McCardell (pitcher, b. 1985, Pennsylvania)
- 2009: New Britain Rock Cats, Eastern League (AA) - 1 game 13-Sep
- Billy McCarthy (outfielder, b. 1979, New Jersey)
- 2001: Jamestown Jammers, New York-Penn League (short-season) - 1 game 5-Sep
- Brandon McCarthy (pitcher, b. 1983, California)
- 2011: Oakland Athletics, Major League Baseball - 1 game 23-Aug
- Greg McCarthy (pitcher, b. 1968, Connecticut)
- 1993: Canton-Akron Indians, Eastern League (AA) - 1 game 9-Aug
- Jake McCarthy (outfielder, b. 1997, Pennsylvania)
- Joe McCarthy (outfielder, b. 1994, Pennsylvania)
- 2015: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 4-Aug
- 2018: Durham Bulls, International League (AAA) - 3 games 11-Sep 15-Sep 18-Sep
- 2018: Peoria Javelinas, Arizona Fall League - 1 game 5-Nov
- 2019: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 17-Sep
- Kevin McCarthy (outfielder, b. 1976, Maryland)
- 1997: Pittsfield Mets, New York-Penn League (short-season) - 2 games 25-Jul 4-Aug
- Ryan McCarthy (infielder, b. 1982, California)
- 2005: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 27-Aug
- Ryan McCarthy (outfielder, b. 1999, Georgia)
- 2023: Kannapolis Cannon Ballers, Carolina League (Low-A) - 1 game 16-Jul
- 2024: Fort Myers Mighty Mussels, Florida State League (Low-A) - 1 game 20-Jul
- Tom McCarthy (pitcher, b. 1961, Delaware)
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- Aubrey McCarty (outfielder, b. 1995, Georgia)
- 2017: Boise Hawks, Northwest League (short-season) - 1 game 4-Aug
- David McCarty (first base/outfield, b. 1969, Texas)
- 1993: Minnesota Twins, American League (MLB) - 1 game 22-Sep
- 1994: Salt Lake Buzz, Pacific Coast League (AAA) - 3 games 1-Sep 10-Sep 11-Sep
- 1995: Phoenix Firebirds, Pacific Coast League (AAA) - 1 game 13-Aug
- Ryan McCarty (infielder, b. 1999, Pennsylvania)
- Ryan McCarvel (catcher, b. 1994, California)
- 2016: State College Spikes, New York-Penn League (short-season) - 1 game 11-Sep
- Tim McCarver (catcher, b. 1941, Tennessee; d. 2023, Tennessee)
- 1971: Philadelphia Phillies, National League (MLB) - 1 game 12-Sep
- Jacob McCaskey (utility, b. 1999, Pennsylvania)
- 2024: Northern Colorado Owlz, Pioneer League (independent) - 1 game 5-Jul g1
- Steve McCatty (pitcher, b. 1954, Michigan)
- 1980: Oakland Athletics, American League (MLB) - 1 game 2-Sep
- Matt McCay (outfielder, b. 1978, North Carolina)
- 2001: Chillicothe Paints, Frontier League (independent) - 1 game 18-Aug
- 2003: Chillicothe Paints, Frontier League (independent) - 1 game 28-Jul
- Tony McCladdie (infielder, b. 1975, Georgia)
- 1997: Pittsfield Mets, New York-Penn League (short-season) - 2 games 25-Jul 4-Aug
- Kevin McClain (pitcher, b. 1978, Florida)
- 2000: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 13-Aug
- 2003: Road Warriors, Atlantic League (independent) - 1 game 14-Sep
- Lance McClain (pitcher, b. 1987, Tennessee)
- 2009: Greenville Drive, South Atlantic League (Low-A) - 1 game 15-Sep
- Scott McClain (infielder, b. 1972, California)
- 1993: Frederick Keys, Carolina League (High-A) - 1 game 8-Aug
- 1994: Bowie Baysox, Eastern League (AA) - 1 game 10-Jul
- 1998: Tampa Bay Devil Rays, American League (MLB) - 1 game 27-Sep
- Terrence McClain (outfielder, b. 1979)
- 2003: Evansville Otters, Frontier League (independent) - 2 games 4-Jul 26-Jul
- 2008: Shreveport Sports, American Association (independent) - 1 game 12-Aug
- Shane McClanahan (pitcher, b. 1997, Maryland)
- Tim McClaskey (pitcher, b. 1976, Ohio)
- 2006: Reading Phillies, Eastern League (AA) - 1 game 14-Apr
- Matt McClellan (pitcher, b. 1976, Ohio)
- Zach McClellan (pitcher, b. 1978, Ohio)
- 2001: Burlington Bees, Midwest League (Low-A) - 1 game 28-Jul
- 2007: Colorado Rockies, Major League Baseball - 1 game 23-Apr
- Jackson McClelland (pitcher, b. 1994, California)
- 2018: Surprise Saguaros, Arizona Fall League - 1 game 6-Nov
- Chris McClendon (infielder, b. 1987)
- 2012: Gateway Grizzlies, Frontier League (independent) - 1 game 26-May
- Lloyd McClendon (first base/outfield, b. 1959, Indiana)
- 1992: Pittsburgh Pirates, National League (MLB) - 1 game 20-Aug
- 1993: Pittsburgh Pirates, National League (MLB) - 1 game 11-Sep
- Mike McClendon (pitcher, b. 1985, Texas)
- 2010: Milwaukee Brewers, Major League Baseball - 1 game 29-Sep g2
- Tim McClinton (outfielder, b. 1971)
- 1990: Pittsfield Mets, New York-Penn League (short-season) - 1 game 17-Aug
- Austin McClune (outfielder, b. 1987, Arkansas)
- 2007: State College Spikes, New York-Penn League (short-season) - 1 game 22-Jul
- Seth McClung (pitcher, b. 1981, West Virginia)
- 2001: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 6-Aug
- Bob McClure (pitcher, b. 1952, California)
- 1992: St. Louis Cardinals, National League (MLB) - 2 games 22-Apr 18-Aug
- Brian McClure (infielder, b. 1974, Illinois)
- 2000: Jacksonville Suns, Southern League (AA) - 1 game 1-Aug
- Kade McClure (pitcher, b. 1996, Ohio)
- 2021: Birmingham Barons, Double-A South - 1 game 12-May
- 2021: Charlotte Knights, Triple-A East - 1 game 11-Aug
- Adam McCollough (catcher, b. 1973)
- 1996: Frederick Keys, Carolina League (High-A) - 1 game 26-Jul
- Dillon McCollough (pitcher, b. 1996, Florida)
- 2019: GCL Orioles, Gulf Coast League (rookie) - 1 game 3-Aug
- Tommy McCollum (pitcher, b. 1999, Georgia)
- Jason McCommon (pitcher, b. 1971, Tennessee)
- 1994: Vermont Expos, New York-Penn League (short-season) - 1 game 19-Jun
- 1996: Harrisburg Senators, Eastern League (AA) - 2 games 15-Jun 27-Aug
- Brian McConkey (first base/outfield, b. 1988, California)
- 2011: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 25-May
- Chad McConnell (outfielder, b. 1970)
- 1994: Reading Phillies, Eastern League (AA) - 1 game 8-Aug
- 1995: Reading Phillies, Eastern League (AA) - 1 game 21-Jul
- 1996: Reading Phillies, Eastern League (AA) - 1 game 5-Apr
- Chris McConnell (infielder, b. 1985, Pennsylvania)
- 2006: Idaho Falls Chukars, Pioneer League (rookie) - 1 game 25-Aug
- 2007: Wilmington Blue Rocks, Carolina League (High-A) - 2 games 29-Jul 25-Aug
- 2011: Syracuse Chiefs, International League (AAA) - 2 games 23-Apr g1 23-Apr g2
- Eryk McConnell (pitcher, b. 1985, North Carolina)
- 2008: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 18-Aug
- Jason McConnell (utility, b. 1976, Louisiana)
- 1998: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 15-Aug
- Kirk McConnell (outfielder, b. 1982)
- 2005: River City Rascals, Frontier League (independent) - 1 game 6-Aug
- Matthew McConnell (infielder, b. 1986, Arizona)
- 2010: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 9-Aug
- Sam McConnell (pitcher, b. 1975, Ohio)
- 2005: Richmond Braves, International League (AAA) - 1 game 28-Aug
- Lee McCool (infielder, b. 1979, Florida)
- 2001: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 28-Jul
- Clay McCord (outfielder, b. 1985)
- 2009: Midwest Sliders of Ypsilanti, Frontier League (independent) - 1 game 25-Jul
- Taylor McCormack (infielder, b. 1982, Washington)
- 2004: Long Island Ducks, Atlantic League (independent) - 1 game 9-May
- Chas McCormick (outfielder, b. 1995, Pennsylvania)
- 2019: Round Rock Express, Pacific Coast League (AAA) - 1 game 23-Jul
- 2021: Houston Astros, Major League Baseball - 1 game 14-Sep
- 2022: Houston Astros, Major League Baseball - 2 games 19-Sep 21-Sep
- 2024: Houston Astros, Major League Baseball - 1 game 12-Aug
- Mike McCormick (catcher/infielder, b. 1986, Oregon)
- 2007: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 29-Aug
- 2009: Bowling Green Hot Rods, South Atlantic League (Low-A) - 1 game 3-Jul
- 2009: Charlotte Stone Crabs, Florida State League (High-A) - 1 game 5-Sep
- Willie McCovey (first base/outfield, b. 1938, Alabama)
- 1968: San Francisco Giants, National League (MLB) - 1 game 16-Jun
- 1974: San Diego Padres, National League (MLB) - 1 game 10-Jul
- Brent McCoy (utility, b. 1966, New Jersey)
- 1991: Durham Bulls, Carolina League (High-A) - 1 game 15-Aug
- Chris McCoy (pitcher, b. 1972, New York)
- 2001: Long Island Ducks, Atlantic League (independent) - 1 game 1-Jul
- 2011: Long Island Ducks, Atlantic League (independent) - 1 game 18-Sep
- Jerome McCoy (utility, b. 1981)
- 2004: Windy City Thunderbolts, Frontier League (independent) - 2 games 10-Jul 25-Jul
- Mark McCoy (pitcher, b. 1994, New Jersey)
- 2017: Sussex County Miners, Can-Am League (independent) - 1 game 11-Aug
- 2018: Sussex County Miners, Can-Am League (independent) - 1 game 12-Jun g1
- Mason McCoy (infielder, b. 1995, Illinois)
- 2017: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 16-Aug
- 2018: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 4-Jul
- 2024: San Diego Padres, Major League Baseball - 3 games 30-Aug 31-Aug 1-Sep
- Mike McCoy (infielder, b. 1981, California)
- 2003: Peoria Chiefs, Midwest League (Low-A) - 1 game 31-Jul
- 2006: Springfield Cardinals, Texas League (AA) - 1 game 3-Sep
- 2009: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 22-Aug
- Nick McCoy (catcher, b. 1987, California)
- 2010: Staten Island Yankees, New York-Penn League (short-season) - 1 game 9-Aug
- 2011: Staten Island Yankees, New York-Penn League (short-season) - 2 games 31-Aug 9-Sep
- Pat McCoy (pitcher, b. 1988, Arizona)
- 2017: Southern Maryland Blue Crabs, Atlantic League (independent) - 1 game 13-May g1
- Ross McCoy (outfielder, b. 1984)
- 2008: Reno Silver Sox, Golden League (independent) - 1 game 31-Jul
- 2010: Normal CornBelters, Frontier League (independent) - 1 game 3-Sep
- Quinton McCracken (outfielder, b. 1970, North Carolina)
- 1994: New Haven Ravens, Eastern League (AA) - 1 game 10-Jul
- 1995: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 13-Aug
- 1997: Colorado Rockies, National League (MLB) - 1 game 25-Aug day
- 1998: Tampa Bay Devil Rays, American League (MLB) - 2 games 9-Aug 27-Sep
- 2007: Bridgeport Bluefish, Atlantic League (independent) - 1 game 14-Sep
- Grant McCray (outfielder, b. 2000, Montana)
- 2024: San Francisco Giants, Major League Baseball - 1 game 18-Sep
- Jim McCready (pitcher, b. 1969)
- 1993: Binghamton Mets, Eastern League (AA) - 1 game 22-Aug
- 1996: Norfolk Tides, International League (AAA) - 1 game 25-Aug
- Adam McCreery (pitcher, b. 1992, California)
- 2018: Peoria Javelinas, Arizona Fall League - 1 game 17-Nov
- Bob McCrory (pitcher, b. 1982, Mississippi)
- 2009: Norfolk Tides, International League (AAA) - 1 game 5-Jul
- Jerad McCrummen (pitcher, b. 1990, Texas)
- 2013: Tri-City Dust Devils, Northwest League (short-season) - 1 game 22-Aug
- Shane McCubbin (catcher, b. 1972, Illinois)
- 1994: Vermont Expos, New York-Penn League (short-season) - 1 game 19-Jun
- Mike McCuistion (catcher/first base, b. 1982, Iowa)
- 2003: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 19-Aug
- Lance McCullers (pitcher, b. 1993, Florida)
- 2018: Houston Astros, Major League Baseball - 1 game 29-Sep g2
- 2022: Houston Astros, Major League Baseball - 1 game 21-Sep
- Kyle McCulloch (pitcher, b. 1985, Texas)
- 2007: Birmingham Barons, Southern League (AA) - 1 game 17-Aug
- Kaleb McCullough (pitcher, b. 1999, Oklahoma)
- 2022: Washington Wild Things, Frontier League (independent) - 1 game 13-Jul
- Mason McCullough (pitcher, b. 1993, North Carolina)
- 2018: Visalia Rawhide, California League (High-A) - 1 game 14-Aug
- Morgan McCullough (infielder, b. 1997, Washington)
- 2022: Northwest Arkansas Naturals, Texas League (AA) - 1 game 5-Aug
- John McCurdy (infielder, b. 1981, Pennsylvania)
- Nick McCurdy (pitcher, b. 1980, Alabama)
- 2002: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 25-Jul
- Cole McCurry (pitcher, b. 1985, North Carolina)
- 2009: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 10-Apr
- 2013: Bridgeport Bluefish, Atlantic League (independent) - 1 game 7-Aug
- Jeff McCurry (pitcher, b. 1970, Japan)
- 1996: Toledo Mud Hens, International League (AAA) - 1 game 31-Aug
- 1999: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 4-Jul
- Randy McCurry (infielder, b. 1990, Oklahoma)
- 2013: Hillsboro Hops, Northwest League (short-season) - 1 game 24-Aug
- Andrew McCutchen (outfielder, b. 1986, Florida)
- 2010: Pittsburgh Pirates, Major League Baseball - 1 game 15-Sep
- 2012: Pittsburgh Pirates, Major League Baseball - 2 games 29-Jul 25-Sep
- 2013: Pittsburgh Pirates, Major League Baseball - 1 game 1-Sep
- 2016: Pittsburgh Pirates, Major League Baseball - 1 game 7-Aug
- 2018: New York Yankees, Major League Baseball - 2 games 16-Sep 9-Oct
- 2021: Philadelphia Phillies, Major League Baseball - 4 games 15-May 29-May 9-Sep 28-Sep
- 2022: Milwaukee Brewers, Major League Baseball - 1 game 29-Sep
- 2023: Pittsburgh Pirates, Major League Baseball - 1 game 4-May
- 2024: Pittsburgh Pirates, Major League Baseball - 1 game 24-Sep
- Daniel McCutchen (pitcher, b. 1982, Texas)
- 2008: Trenton Thunder, Eastern League (AA) - 1 game 10-Apr
- 2010: Pittsburgh Pirates, Major League Baseball - 1 game 15-Sep
- Mike McCutcheon (pitcher, b. 1977, Hawaii)
- 2000: El Paso Diablos, Texas League (AA) - 1 game 21-Aug
- Mike McDade (first baseman, b. 1989, Nevada)
- 2011: New Hampshire Fisher Cats, Eastern League (AA) - 2 games 5-May 10-Sep
- 2012: New Hampshire Fisher Cats, Eastern League (AA) - 2 games 5-Apr 28-May
- 2013: Columbus Clippers, International League (AAA) - 1 game 24-Apr
- Neal McDade (pitcher, b. 1976, Florida)
- 1996: Erie SeaWolves, New York-Penn League (short-season) - 1 game 22-Aug
- 1996: Lynchburg Hillcats, Carolina League (High-A) - 1 game 1-Sep g2
- 2003: Altoona Curve, Eastern League (AA) - 1 game 3-Apr
- Derek McDaid (pitcher, b. 1983, Ontario)
- 2008: Lake Elsinore Storm, California League (High-A) - 1 game 2-Aug
- 2009: Quebec Les Capitales, Can-Am League (independent) - 1 game 7-Aug
- Terry McDaniel (outfielder, b. 1966, Missouri)
- 1987: Little Falls Mets, New York-Penn League (short-season) - 1 game 13-Aug
- 1991: Tidewater Tides, International League (AAA) - 1 game 17-Aug
- 1991: New York Mets, National League (MLB) - 1 game 29-Sep
- Paul McDaniels (outfielder, b. 1977, California)
- 1998: Lowell Spinners, New York-Penn League (short-season) - 1 game 25-Jul
- Ray McDavid (outfielder, b. 1971, California)
- 1994: San Diego Padres, National League (MLB) - 3 games 17-Jul 22-Jul g1 22-Jul g2
- 1994: Las Vegas Stars, Pacific Coast League (AAA) - 1 game 1-Sep
- Chayce McDermott (pitcher, b. 1998, Indiana)
- 2023: Norfolk Tides, International League (AAA) - 1 game 15-Jul
- 2024: Norfolk Tides, International League (AAA) - 1 game 21-Apr
- Matt McDermott (infielder, b. 1998, New Jersey)
- 2024: York Revolution, Atlantic League (independent) - 1 game 7-Aug
- Allen McDill (pitcher, b. 1971, Mississippi)
- 1998: Omaha Royals, Pacific Coast League (AAA) - 1 game 21-Aug g1
- Andrew McDonald (pitcher, b. 1994, Ohio)
- 2019: Billings Mustangs, Pioneer League (rookie) - 1 game 4-Jul
- Ashanti McDonald (infielder, b. 1973, Illinois)
- 1995: Williamsport Cubs, New York-Penn League (short-season) - 3 games 25-Jun 16-Jul 20-Aug
- 2001: Elmira Pioneers, Northeast League (independent) - 1 game 21-Sep
- Chase McDonald (first baseman, b. 1992, North Carolina)
- 2017: Sussex County Miners, Can-Am League (independent) - 2 games 8-Aug 11-Aug
- Darnell McDonald (outfielder, b. 1978, Colorado)
- 1998: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 11-Jul
- 2000: Bowie Baysox, Eastern League (AA) - 1 game 24-Apr
- 2002: Rochester Red Wings, International League (AAA) - 1 game 26-Jul
- 2005: Durham Bulls, International League (AAA) - 1 game 28-Aug
- 2008: Rochester Red Wings, International League (AAA) - 1 game 7-Jun
- Donzell McDonald (outfielder, b. 1975, California)
- 1996: Oneonta Yankees, New York-Penn League (short-season) - 1 game 17-Aug
- 1998: Norwich Navigators, Eastern League (AA) - 1 game 2-Aug
- 1999: Norwich Navigators, Eastern League (AA) - 3 games 29-Apr 12-Sep 13-Sep
- 2002: Kansas City Royals, Major League Baseball - 1 game 21-Jun
- 2009: Newark Bears, Atlantic League (independent) - 3 games 25-Sep 26-Sep 27-Sep
- James McDonald (pitcher, b. 1984, California)
- 2012: Pittsburgh Pirates, Major League Baseball - 1 game 29-Jul
- Jared McDonald (utility, b. 1988, Arizona)
- Jason McDonald (outfielder, b. 1972, California)
- 1997: Oakland Athletics, American League (MLB) - 2 games 29-Aug 1-Sep
- 1999: Oakland Athletics, American League (MLB) - 1 game 31-Aug
- John McDonald (infielder, b. 1974, Connecticut)
- 1996: Watertown Indians, New York-Penn League (short-season) - 1 game 6-Jul
- 2009: Toronto Blue Jays, Major League Baseball - 1 game 4-Oct
- Jon McDonald (pitcher, b. 1976, Texas)
- 1999: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 11-Aug
- Keith McDonald (catcher, b. 1973, Japan)
- 2001: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 3-Aug
- Kevin McDonald (catcher, b. 1980, Mississippi)
- 2002: Oneonta Tigers, New York-Penn League (short-season) - 2 games 4-Jul 7-Jul
- 2004: Atlantic City Surf, Atlantic League (independent) - 1 game 5-Aug
- 2005: Atlantic City Surf, Atlantic League (independent) - 1 game 15-Jun
- Matt McDonald (pitcher, b. 1987)
- 2012: Worcester Tornadoes, Can-Am League (independent) - 1 game 20-Aug
- Mickey McDonald (outfielder, b. 1995, California)
- 2019: Midland RockHounds, Texas League (AA) - 1 game 22-Jul
- Ryan McDonald (first baseman, b. 1979, Florida)
- 2002: Evansville Otters, Frontier League (independent) - 1 game 27-Jul
- Sheldon McDonald (pitcher, b. 1988, Alberta)
- 2015: Quebec Les Capitales, Can-Am League (independent) - 1 game 21-Aug
- Matt McDonnell (pitcher, b. 1979, Italy)
- 2002: Spokane Indians, Northwest League (short-season) - 1 game 11-Aug
- Tyler McDonough (utility, b. 1999, Ohio)
- 2022: Greenville Drive, South Atlantic League (High-A) - 1 game 16-Aug
- 2023: Glendale Desert Dogs, Arizona Fall League - 1 game 14-Oct
- 2024: Worcester Red Sox, International League (AAA) - 1 game 22-Sep
- Mike McDougal (pitcher, b. 1975, Nevada)
- 1996: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 4-Jul
- Spike McDougall (first base/outfield, b. 1984, California)
- 2006: Jamestown Jammers, New York-Penn League (short-season) - 1 game 4-Jul
- 2007: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 5-Apr
- Kevin McDowell (pitcher, b. 1978, Pennsylvania)
- 2004: Erie SeaWolves, Eastern League (AA) - 1 game 4-Sep
- Max McDowell (catcher, b. 1994, Pennsylvania)
- 2019: Biloxi Shuckers, Southern League (AA) - 2 games 10-Sep 11-Sep
- 2024: Buffalo Bisons, International League (AAA) - 1 game 21-Sep
- Micah McDowell (outfielder, b. 2001, Nova Scotia)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 2-Aug
- Roger McDowell (pitcher, b. 1960, Ohio)
- 1986: New York Mets, National League (MLB) - 1 game 14-Apr
- Carter McEachern (infielder, b. 1994, Ontario)
- 2017: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 10-Aug
- Jason McEachern (pitcher, b. 1990, North Carolina)
- 2009: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 2-Sep
- Kuehl McEachern (pitcher, b. 1993, Florida)
- Aaron McEachran (catcher/first base, b. 1979, Minnesota)
- 2003: Dunedin Blue Jays, Florida State League (High-A) - 1 game 25-Aug
- Brad McElroy (outfielder, b. 1986, Ontario)
- 2011: Dunedin Blue Jays, Florida State League (High-A) - 1 game 10-Aug
- 2012: New Hampshire Fisher Cats, Eastern League (AA) - 2 games 5-Apr 28-May
- Chuck McElroy (pitcher, b. 1967, Texas)
- 1986: Utica Blue Sox, New York-Penn League (short-season) - 1 game 15-Aug
- 1992: Chicago Cubs, National League (MLB) - 1 game 15-Aug
- 1995: Cincinnati Reds, National League (MLB) - 1 game 23-Sep
- 1999: New York Mets, National League (MLB) - 2 games 3-Sep 17-Sep
- C.J. McElroy (outfielder, b. 1993, Texas)
- 2012: Johnson City Cardinals, Appalachian League (rookie) - 3 games 16-Aug 17-Aug g1 17-Aug g2
- 2014: Peoria Javelinas, Arizona Fall League - 1 game 10-Oct
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 1 game 3-May
- Chris McElvain (pitcher, b. 2000, Tennessee)
- 2023: Daytona Tortugas, Florida State League (Low-A) - 1 game 11-Jun
- Josh McElwee (pitcher, b. 1989, South Carolina)
- 2014: Surprise Saguaros, Arizona Fall League - 1 game 10-Oct
- Ethan McEntire (pitcher, b. 1975, Florida)
- 1996: Capital City Bombers, South Atlantic League (Low-A) - 1 game 29-Aug
- Aidan McEvoy (pitcher, b. 2001, Pennsylvania)
- 2024: Glacier Range Riders, Pioneer League (independent) - 1 game 7-Jul
- Joe McEwing (utility, b. 1972, Pennsylvania)
- Dakota McFadden (outfielder, b. 1996, North Carolina)
- 2021: Bakersfield Train Robbers, Pecos League (independent) - 1 game 17-Jul
- Brian McFall (first base/outfield, b. 1984, Arizona)
- 2007: Wilmington Blue Rocks, Carolina League (High-A) - 2 games 29-Jul 25-Aug
- 2010: Lake County Fielders, Northern League (independent) - 2 games 23-Aug 4-Sep
- Stuart McFarland (pitcher, b. 1977, Minnesota)
- 2000: Queens Kings, New York-Penn League (short-season) - 1 game 9-Sep
- T.J. McFarland (pitcher, b. 1989, Illinois)
- 2014: Baltimore Orioles, Major League Baseball - 1 game 10-Aug
- 2015: Baltimore Orioles, Major League Baseball - 1 game 8-Sep
- 2016: Norfolk Tides, International League (AAA) - 1 game 30-May
- 2018: Arizona Diamondbacks, Major League Baseball - 1 game 18-Aug
- 2021: St. Louis Cardinals, Major League Baseball - 1 game 17-Sep
- 2022: St. Louis Cardinals, Major League Baseball - 1 game 8-Jun
- 2024: Oakland Athletics, Major League Baseball - 1 game 30-May
- Toby McFarland (pitcher, b. 1972, Michigan)
- 1993: Niagara Falls Rapids, New York-Penn League (short-season) - 1 game 21-Aug
- Ty McFarland (infielder, b. 1991, Virginia)
- 2014: Staten Island Yankees, New York-Penn League (short-season) - 1 game 31-Jul
- Alex McFarlane (pitcher, b. 2001, U.S. Virgin Islands)
- Kellon McFarlin (outfielder, b. 1987)
- 2012: Newark Bears, Can-Am League (independent) - 1 game 7-Jul
- Terric McFarlin (pitcher, b. 1969, New York)
- 1994: Las Vegas Stars, Pacific Coast League (AAA) - 1 game 1-Sep
- Shea McFeely (infielder, b. 1984, California)
- 2006: Missoula Osprey, Pioneer League (rookie) - 1 game 24-Aug
- Chris McFerrin (pitcher, b. 1976, California)
- 1996: Auburn Doubledays, New York-Penn League (short-season) - 1 game 14-Aug
- Aaron McGarity (pitcher, b. 1995, Virginia)
- 2019: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 11-Aug
- 2019: Tampa Tarpons, Florida State League (High-A) - 2 games 18-Aug g2 25-Aug g2
- Alex McGarry (first baseman, b. 1998, Washington)
- 2022: Chattanooga Lookouts, Southern League (AA) - 1 game 14-Jul
- Griff McGarry (pitcher, b. 1999, California)
- 2021: Clearwater Threshers, Low-A Southeast - 1 game 27-Aug
- 2023: Clearwater Threshers, Florida State League (Low-A) - 1 game 5-May
- 2024: Glendale Desert Dogs, Arizona Fall League - 1 game 11-Oct
- Matt McGarry (infielder, b. 1996, California)
- 2021: Schaumburg Boomers, Frontier League (independent) - 1 game 2-Jul
- 2022: Joliet Slammers, Frontier League (independent) - 1 game 6-Jul
- Seth McGarry (pitcher, b. 1994, Florida)
- 2018: Scottsdale Scorpions, Arizona Fall League - 1 game 6-Nov
- 2019: Clearwater Threshers, Florida State League (High-A) - 1 game 18-Apr
- Gerron McGary (pitcher, b. 1982, Texas)
- 2003: Bristol Sox, Appalachian League (rookie) - 1 game 12-Jul
- Randy McGarvey (catcher, b. 1979, Georgia)
- 2007: Camden Riversharks, Atlantic League (independent) - 2 games 3-Jul 31-Aug
- 2008: Camden Riversharks, Atlantic League (independent) - 1 game 19-Jun
- Jack McGeary (pitcher, b. 1989, Massachusetts)
- 2012: Auburn Doubledays, New York-Penn League (short-season) - 1 game 21-Jul
- Cade McGee (infielder, b. 2003, Arizona)
- 2024: Palm Beach Cardinals, Florida State League (Low-A) - 1 game 28-Aug g1
- Denny McGee (pitcher, b. 1978)
- 2003: Kalamazoo Kings, Frontier League (independent) - 1 game 28-Jul
- Easton McGee (pitcher, b. 1997, Kentucky)
- 2017: Princeton Rays, Appalachian League (rookie) - 1 game 29-Aug
- 2018: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 6-Sep
- Eric McGee (catcher/outfielder, b. 1987)
- 2011: Newark Bears, Can-Am League (independent) - 4 games 28-Jul 3-Aug 25-Aug
- 2012: Newark Bears, Can-Am League (independent) - 2 games 18-Jun 7-Jul
- Jake McGee (pitcher, b. 1986, California)
- 2010: Tampa Bay Rays, Major League Baseball - 1 game 21-Sep
- 2018: Colorado Rockies, Major League Baseball - 3 games 6-May 14-Jun 23-Aug
- 2020: Los Angeles Dodgers, Major League Baseball - 1 game 13-Oct
- Stephen McGee (catcher, b. 1991, Florida)
- 2013: Orem Owlz, Pioneer League (rookie) - 1 game 19-Aug
- 2018: Salt Lake Bees, Pacific Coast League (AAA) - 1 game 21-Aug
- Tom McGee (catcher, b. 1975, California)
- Travis McGee (pitcher, b. 1991)
- 2015: Gary Southshore RailCats, American Association (independent) - 2 games 1-Sep 6-Sep
- Willie McGee (outfielder, b. 1958, California)
- 1985: St. Louis Cardinals, National League (MLB) - 1 game 9-Apr
- 1986: St. Louis Cardinals, National League (MLB) - 1 game 14-Apr
- 1997: St. Louis Cardinals, National League (MLB) - 1 game 4-Aug
- Casey McGehee (infielder, b. 1982, California)
- 2008: Iowa Cubs, Pacific Coast League (AAA) - 1 game 29-Jul
- 2008: Chicago Cubs, Major League Baseball - 1 game 23-Sep
- 2010: Milwaukee Brewers, Major League Baseball - 2 games 29-Sep g1 29-Sep g2
- 2012: Pittsburgh Pirates, Major League Baseball - 1 game 29-Jul
- 2012: New York Yankees, Major League Baseball - 2 games 22-Sep 1-Oct
- 2014: Miami Marlins, Major League Baseball - 3 games 26-May 15-Sep 17-Sep
- Kevin McGehee (pitcher, b. 1969, Louisiana)
- 1994: Rochester Red Wings, International League (AAA) - 1 game 12-Aug
- Austin McGeorge (pitcher, b. 1994, California)
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 2 games 9-May 20-Jun
- Liam McGill (catcher, b. 1997, Rhode Island)
- Shawn McGill (catcher/outfield, b. 1984, Rhode Island)
- 2012: Gwinnett Braves, International League (AAA) - 1 game 2-Sep
- Blake McGinley (pitcher, b. 1978, California)
- 2001: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 25-Aug 6-Sep
- Clayton McGinness (pitcher, b. 1997, Missouri)
- 2019: GCL Orioles, Gulf Coast League (rookie) - 1 game 3-Aug
- 2022: Aberdeen IronBirds, South Atlantic League (High-A) - 1 game 8-May g2
- Kevin McGlinchy (pitcher, b. 1977, Massachusetts)
- 2005: Nashua Pride, Atlantic League (independent) - 2 games 20-Sep g1 1-Oct
- Kevin McGonigle (infielder, b. 2004, Pennsylvania)
- Scott McGough (pitcher, b. 1989, Pennsylvania)
- 2016: Norfolk Tides, International League (AAA) - 1 game 30-May
- Keegan McGovern (outfielder, b. 1995, Georgia)
- 2021: Arkansas Travelers, Double-A Central - 1 game 22-Jul
- Christian McGowan (pitcher, b. 2000, Texas)
- 2021: Clearwater Threshers, Low-A Southeast - 1 game 12-Sep
- 2023: Clearwater Threshers, Florida State League (Low-A) - 1 game 5-Aug
- 2023: Scottsdale Scorpions, Arizona Fall League - 1 game 12-Oct
- 2024: Clearwater Threshers, Florida State League (Low-A) - 1 game 19-Jul
- Dustin McGowan (pitcher, b. 1982, Georgia)
- 2003: New Haven Ravens, Eastern League (AA) - 1 game 10-Sep
- 2016: Miami Marlins, Major League Baseball - 1 game 28-Aug
- Jacson McGowan (infielder, b. 1997, Indiana)
- 2018: Hudson Valley Renegades, New York-Penn League (short-season) - 3 games 18-Jun 6-Sep 9-Sep
- 2021: Bowling Green Hot Rods, High-A East - 1 game 1-Jul
- Kevin McGowan (pitcher, b. 1991, New Hampshire)
- 2017: New York Mets, Major League Baseball - 2 games 25-Sep g1 1-Oct
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 1 game 3-May
- Sean McGowan (first base/outfield, b. 1977, Massachusetts)
- 2000: Shreveport Captains, Texas League (AA) - 1 game 20-Aug
- 2003: Portland Sea Dogs, Eastern League (AA) - 2 games 4-Aug 12-Aug
- Jameson McGrane (pitcher, b. 1992, Maryland)
- 2018: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 2-Aug
- Daniel McGrath (pitcher, b. 1994, Australia)
- 2018: Portland Sea Dogs, Eastern League (AA) - 1 game 26-May g1
- Tom McGraw (pitcher, b. 1967, Oregon)
- 1990: Beloit Brewers, Midwest League (Low-A) - 1 game 14-Aug
- 1997: Louisville Redbirds, American Association (AAA) - 1 game 9-Aug g2
- Tug McGraw (pitcher, b. 1944, California; d. 2004, Tennessee)
- 1970: New York Mets, National League (MLB) - 1 game 13-Sep
- 1971: New York Mets, National League (MLB) - 1 game 12-Sep
- 1974: New York Mets, National League (MLB) - 1 game 10-Jul
- Michael McGreevy (pitcher, b. 2000, California)
- 2021: Palm Beach Cardinals, Low-A Southeast - 1 game 2-Sep g1
- 2023: Memphis Redbirds, International League (AAA - 1 game 6-Jun
- Justin McGregor (pitcher, b. 1995, Florida)
- 2019: Billings Mustangs, Pioneer League (rookie) - 1 game 4-Jul
- Scott McGregor (pitcher, b. 1986, Ohio)
- 2013: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 22-Jul
- Fred McGriff (first baseman, b. 1963, Florida)
- 1992: San Diego Padres, National League (MLB) - 1 game 20-Aug
- 1993: San Diego Padres, National League (MLB) - 1 game 2-Jul g1
- 1993: Atlanta Braves, National League (MLB) - 1 game 17-Aug
- 1996: Atlanta Braves, National League (MLB) - 2 games 14-Sep 15-Sep
- 1997: Atlanta Braves, National League (MLB) - 2 games 13-Aug 28-Sep
- 1998: Tampa Bay Devil Rays, American League (MLB) - 2 games 9-Aug 27-Sep
- 2001: Chicago Cubs, Major League Baseball - 1 game 29-Jul
- Terry McGriff (catcher, b. 1963, Florida)
- 1995: Toledo Mud Hens, International League (AAA) - 2 games 30-Apr 5-Aug
- 1998: Bridgeport Bluefish, Atlantic League (independent) - 1 game 27-Jul
- 1999: Bridgeport Bluefish, Atlantic League (independent) - 1 game 20-Jun
- 2000: Bridgeport Bluefish, Atlantic League (independent) - 1 game 27-Sep
- Brendan McGuigan (pitcher, b. 1995, Hong Kong)
- 2021: Canada, Americas Olympic Qualifier - 1 game 31-May
- Jake McGuiggan (infielder, b. 1991, Massachusetts)
- 2015: Garden State Grays, Can-Am League (independent) - 1 game 24-Aug
- 2016: New Britain Bees, Atlantic League (independent) - 1 game 24-Jul
- Chris McGuiness (first baseman, b. 1988, South Carolina)
- 2009: Lowell Spinners, New York-Penn League (short-season) - 2 games 5-Aug 9-Sep
- 2013: Round Rock Express, Pacific Coast League (AAA) - 1 game 22-Jul
- 2014: Indianapolis Indians, International League (AAA) - 1 game 23-Aug
- 2015: Lehigh Valley IronPigs, International League (AAA) - 1 game 4-Jul
- Cameron McGuire (catcher/first base, b. 1983)
- 2007: Edinburg Coyotes, United League (independent) - 1 game 14-Aug
- Deck McGuire (pitcher, b. 1989, Virginia)
- 2012: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 28-May
- Reese McGuire (catcher, b. 1995, Washington)
- 2017: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 14-Apr
- 2018: Buffalo Bisons, International League (AAA) - 1 game 1-Aug g2
- 2018: Toronto Blue Jays, Major League Baseball - 2 games 16-Sep 21-Sep
- 2021: Toronto Blue Jays, Major League Baseball - 3 games 15-May 24-May 22-Sep
- 2022: Boston Red Sox, Major League Baseball - 1 game 5-Sep
- 2023: Boston Red Sox, Major League Baseball - 2 games 13-Apr 4-Sep
- 2024: Boston Red Sox, Major League Baseball - 1 game 20-May
- Ryan McGuire (first base/outfield, b. 1971, California)
- 1995: Trenton Thunder, Eastern League (AA) - 2 games 3-Jul 19-Aug
- 1997: Montreal Expos, National League (MLB) - 2 games 13-Sep 14-Sep
- 1998: Montreal Expos, National League (MLB) - 4 games 9-Jul 18-Jul 20-Sep 23-Sep
- 1999: Montreal Expos, National League (MLB) - 1 game 3-Oct
- 2002: Rochester Red Wings, International League (AAA) - 1 game 26-Jul
- 2003: Rochester Red Wings, International League (AAA) - 1 game 15-Aug
- Mark McGwire (first baseman, b. 1963, California)
- 1992: Oakland Athletics, American League (MLB) - 1 game 21-Aug
- 1997: St. Louis Cardinals, National League (MLB) - 1 game 4-Aug
- 2001: St. Louis Cardinals, Major League Baseball - 1 game 29-Jul
- Joe McHenry (outfielder, b. 1976, Tennessee)
- 1998: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 15-Aug
- John McHenry (infielder, b. 2001, California)
- 2023: Fredericksburg Nationals, Carolina League (Low-A) - 1 game 7-Sep
- Collin McHugh (pitcher, b. 1987, Illinois)
- 2011: Binghamton Mets, Eastern League (AA) - 1 game 20-Aug
- 2012: Binghamton Mets, Eastern League (AA) - 1 game 28-May
- 2012: New York Mets, Major League Baseball - 1 game 25-Sep
- 2021: Tampa Bay Rays, Major League Baseball - 6 games 11-Apr 24-May 16-Aug 21-Aug 1-Sep 25-Sep
- 2022: Atlanta Braves, Major League Baseball - 1 game 15-Aug
- 2023: Atlanta Braves, Major League Baseball - 1 game 7-Jun
- Sean McHugh (outfielder, b. 1992, Kansas)
- 2014: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 4-Jul g1
- Brandon McIlwain (outfielder, b. 1998, Pennsylvania)
- 2021: St. Lucie Mets, Low-A Southeast - 1 game 14-Aug g1
- 2022: Brooklyn Cyclones, South Atlantic League (High-A) - 2 games 8-May g1 8-May g2
- 2022: Peoria Javelinas, Arizona Fall League - 2 games 14-Oct 15-Oct
- Blaine McIntosh (outfielder, b. 2001, Tennessee)
- Paul McIntosh (catcher, b. 1997, Georgia)
- 2023: Peoria Javelinas, Arizona Fall League - 1 game 11-Oct
- Tim McIntosh (catcher/outfielder, b. 1965, Minnesota)
- Robert McIntyre (infielder, b. 1980, Georgia)
- 2000: Kingsport Mets, Appalachian League (rookie) - 2 games 29-Jul 2-Aug
- 2001: Brooklyn Cyclones, New York-Penn League (short-season) - 4 games 9-Jul 25-Aug 26-Aug 6-Sep
- 2003: St. Lucie Mets, Florida State League (High-A) - 1 game 29-Aug
- Andrew McInvale (pitcher, b. 1996, Texas)
- 2021: Pensacola Blue Wahoos, Double-A South - 1 game 24-Jul
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- Anthony McIver (pitcher, b. 1992, California)
- 2018: Modesto Nuts, California League (High-A) - 1 game 14-Aug
- Brendan McKay (pitcher/first base, b. 1995, Pennsylvania)
- 2017: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 9-Sep 12-Sep
- 2019: Tampa Bay Rays, Major League Baseball - 4 games 19-Aug 6-Sep 22-Sep 24-Sep
- Cody McKay (catcher/infield, b. 1974, British Columbia)
- 2000: Midland Rockhounds, Texas League (AA) - 1 game 20-Aug
- 2001: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 3-Aug
- 2002: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 15-Aug
- Connor McKay (outfielder, b. 1992, Colorado)
- 2016: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 18-Aug
- Dave McKay (infielder, b. 1950, British Columbia)
- 1980: Oakland Athletics, American League (MLB) - 1 game 2-Sep
- David McKay (pitcher, b. 1995, Florida)
- 2018: Peoria Javelinas, Arizona Fall League - 2 games 9-Nov 12-Nov
- Colin McKee (pitcher, b. 1994, Pennsylvania)
- 2018: Buies Creek Astros, Carolina League (High-A) - 1 game 29-Aug
- Mickey McKee (infielder, b. 1978, United Kingdom)
- 2002: Lexington Legends, South Atlantic League (Low-A) - 1 game 14-Jul
- Scott McKee (catcher/first base, b. 1977, District of Columbia)
- Walt McKeel (catcher/first base, b. 1972, North Carolina; d. 2019, North Carolina)
- 1994: New Britain Red Sox, Eastern League (AA) - 1 game 21-Aug g2
- 1996: Trenton Thunder, Eastern League (AA) - 1 game 20-Jul
- 1998: Pawtucket Red Sox, International League (AAA) - 1 game 1-Aug
- Laine McKeller (pitcher, b. 1979)
- 2004: New Haven County Cutters, Northeast League (independent) - 1 game 6-Aug
- Aaron McKeithan (catcher, b. 1999, North Carolina)
- Evan McKendry (pitcher, b. 1998, Florida)
- 2023: Durham Bulls, International League (AAA) - 1 game 6-Jun
- Alex McKenna (outfielder, b. 1997, California)
- 2018: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 22-Jul
- Mike McKenna (outfielder, b. 1986, New York)
- 2008: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 6-Aug
- Pat McKenna (infielder, b. 1987, Connecticut)
- Ryan McKenna (outfielder, b. 1997, Oregon)
- 2018: Glendale Desert Dogs, Arizona Fall League - 1 game 6-Nov
- 2021: Norfolk Tides, Triple-A East - 1 game 16-Jun
- 2021: Baltimore Orioles, Major League Baseball - 1 game 29-Sep
- 2024: Lehigh Valley IronPigs, International League (AAA) - 1 game 22-Sep
- 2024: Norfolk Tides, International League (AAA) - 1 game 21-Apr
- Alex McKenney (pitcher, b. 1999, Maine)
- Michael McKennon (first base/outfield, b. 1985, Texas)
- 2006: Billings Mustangs, Pioneer League (rookie) - 1 game 26-Aug
- Mike McKenry (catcher, b. 1985, Tennessee)
- 2006: Tri-City Dust Devils, Northwest League (short-season) - 1 game 23-Aug
- 2007: Asheville Tourists, South Atlantic League (Low-A) - 1 game 1-Sep
- 2012: Pittsburgh Pirates, Major League Baseball - 1 game 29-Jul
- 2015: Colorado Rockies, Major League Baseball - 1 game 1-Aug
- Triston McKenzie (pitcher, b. 1997, New York)
- 2022: Cleveland Guardians, Major League Baseball - 1 game 28-Sep
- 2023: Cleveland Guardians, Major League Baseball - 1 game 30-Sep
- Dustin McKey (pitcher, b. 1978, Louisiana)
- 2000: Princeton Devil Rays, Appalachian League (rookie) - 1 game 31-Jul g1
- Dan McKinley (outfielder, b. 1976, Arizona)
- 1999: Akron Aeros, Eastern League (AA) - 1 game 1-Aug
- 2000: Harrisburg Senators, Eastern League (AA) - 1 game 7-Sep
- Jayson McKinley (pitcher, b. 1994, Texas)
- 2016: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 3-Aug
- 2019: Jackson Generals, Southern League (AA) - 1 game 10-Sep
- Josh McKinley (infielder, b. 1979, Pennsylvania)
- 2003: Harrisburg Senators, Eastern League (AA) - 1 game 5-Apr
- Justin McKinley (infielder, b. 1981)
- 2005: River City Rascals, Frontier League (independent) - 1 game 6-Aug
- Leif McKinley (pitcher, b. 1971, Oregon)
- 1992: Elmira Pioneers, New York-Penn League (short-season) - 1 game 9-Aug g2
- 1994: High Desert Mavericks, California League (High-A) - 1 game 28-Aug
- Antonio McKinney (outfielder, b. 1978, Oregon)
- 1997: Jamestown Jammers, New York-Penn League (short-season) - 1 game 26-Jul
- Billy McKinney (outfielder, b. 1994, Texas)
- 2015: Tennessee Smokies, Southern League (AA) - 1 game 28-Jul
- 2016: Trenton Thunder, Eastern League (AA) - 4 games 2-Aug 20-Aug 8-Sep 10-Sep
- 2017: Trenton Thunder, Eastern League (AA) - 1 game 15-Apr
- 2017: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 1 game 10-Sep
- 2018: Buffalo Bisons, International League (AAA) - 1 game 1-Aug g2
- 2018: Toronto Blue Jays, Major League Baseball - 2 games 16-Sep 21-Sep
- 2021: New York Mets, Major League Baseball - 1 game 30-Jun
- 2022: Oakland Athletics, Major League Baseball - 3 games 12-Apr 13-Apr 14-Apr
- Garth McKinney (outfielder, b. 1982, Tennessee)
- 2003: Oneonta Tigers, New York-Penn League (short-season) - 1 game 11-Aug
- Jarrod McKinney (outfielder, b. 1989, Texas)
- 2012: Tri-City ValleyCats, New York-Penn League (short-season) - 2 games 7-Aug 13-Sep
- Jeremy McKinney (pitcher, b. 1994, Indiana)
- 2017: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Sep
- 2018: Potomac Nationals, Carolina League (High-A) - 1 game 3-Sep
- 2019: Potomac Nationals, Carolina League (High-A) - 1 game 2-May
- Leroy McKinnis (catcher/first base, b. 1972, Georgia)
- 1997: Frederick Keys, Carolina League (High-A) - 1 game 6-Apr
- Thomas McKinnon (first base/outfield, b. 1973, Maine)
- 1997: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 14-Aug
- Zach McKinstry (infielder, b. 1995, Ohio)
- 2019: Tulsa Drillers, Texas League (AA) - 1 game 22-Jul
- 2023: Detroit Tigers, Major League Baseball - 4 games 30-Mar 1-Apr 2-Apr 30-Sep
- 2024: Detroit Tigers, Major League Baseball - 1 game 26-Sep
- Jeff McKnight (infielder, b. 1963, Arkansas; d. 2015, Arkansas)
- Scotty McKnight (infielder, b. 1984, California)
- 2008: Ottawa Rapidz, Can-Am League (independent) - 1 game 3-Aug
- Keith McKoy (outfielder, b. 1970)
- Matt McLain (infielder, b. 1999, California)
- 2021: Dayton Dragons, High-A Central - 1 game 18-Sep
- 2022: Glendale Desert Dogs, Arizona Fall League - 2 games 13-Oct 15-Oct
- 2024: Glendale Desert Dogs, Arizona Fall League - 1 game 10-Oct
- Mike McLain (pitcher, b. 1970)
- 1994: San Jose Giants, California League (High-A) - 2 games 4-Sep 6-Sep
- Sam McLain (outfielder, b. 1982, Florida)
- 2007: Rio Grande Valley WhiteWings, United League (independent) - 1 game 14-Aug
- Sean McLain (infielder, b. 2001, California)
- 2024: Glendale Desert Dogs, Arizona Fall League - 2 games 11-Oct 12-Oct
- Brian McLamb (infielder, b. 1972, North Carolina)
- 1994: Oneonta Yankees, New York-Penn League (short-season) - 2 games 26-Jun 13-Aug
- J.D. McLaughlin (outfielder, b. 2000, Arizona)
- Matt McLaughlin (infielder, b. 1996, California)
- 2017: Boise Hawks, Northwest League (short-season) - 2 games 4-Aug 5-Aug
- Sean McLaughlin (pitcher, b. 1994, Massachusetts)
- 2019: Florida Fire Frogs, Florida State League (High-A) - 1 game 14-Apr
- 2022: Rocket City Trash Pandas, Southern League (AA) - 1 game 6-Aug
- Matt McLean (outfielder, b. 1993, Texas)
- 2016: Lowell Spinners, New York-Penn League (short-season) - 1 game 8-Aug
- Marty McLeary (pitcher, b. 1974, Ohio)
- 2001: Trenton Thunder, Eastern League (AA) - 2 games 29-Apr 4-Jul g1
- 2001: Pawtucket Red Sox, International League (AAA) - 1 game 13-Jul
- 2004: Portland Beavers, Pacific Coast League (AAA) - 1 game 13-Aug
- Mark McLemore (utility, b. 1964, California)
- 1998: Texas Rangers, American League (MLB) - 1 game 24-Aug
- 1999: Texas Rangers, American League (MLB) - 1 game 29-Aug
- 2001: Seattle Mariners, Major League Baseball - 1 game 2-Sep
- Zachary McLeod (infielder, b. 1996)
- Sutter McLoughlin (pitcher, b. 1993, California)
- 2016: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 7-Sep 15-Sep
- Trey McLoughlin (pitcher, b. 1999, Connecticut)
- 2021: St. Lucie Mets, Low-A Southeast - 1 game 14-Aug g2
- 2022: St. Lucie Mets, Florida State League (Low-A) - 1 game 13-Aug
- Nate McLouth (outfielder, b. 1981, Michigan)
- 2003: Lynchburg Hillcats, Carolina League (High-A) - 1 game 5-Apr
- 2009: Atlanta Braves, Major League Baseball - 1 game 21-Sep
- 2010: Atlanta Braves, Major League Baseball - 1 game 19-Sep
- 2014: Washington Nationals, Major League Baseball - 2 games 31-Mar 26-May
- Cliff McMachen (pitcher, b. 1981, Nevada)
- 2004: Lancaster JetHawks, California League (High-A) - 1 game 7-Aug
- Hunter McMahon (pitcher, b. 1998, Missouri)
- Ryan McMahon (infielder, b. 1994, California)
- 2013: Grand Junction Rockies, Pioneer League (rookie) - 1 game 27-Aug
- 2014: Asheville Tourists, South Atlantic League (Low-A) - 1 game 5-Aug
- 2016: Hartford Yard Goats, Eastern League (AA) - 3 games 2-Aug 20-Aug 5-Sep
- 2016: Salt River Rafters, Arizona Fall League - 3 games 11-Oct 12-Oct 13-Oct
- 2017: Hartford Yard Goats, Eastern League (AA) - 1 game 14-Apr
- 2018: Colorado Rockies, Major League Baseball - 2 games 14-Jun 23-Aug
- 2019: Colorado Rockies, Major League Baseball - 1 game 3-Apr
- 2021: Colorado Rockies, Major League Baseball - 1 game 9-Sep
- 2023: Colorado Rockies, Major League Baseball - 3 games 22-Aug 23-Aug 24-Aug
- 2024: Colorado Rockies, Major League Baseball - 1 game 4-Jul
- Derin McMains (infielder, b. 1979, Iowa)
- 2006: Connecticut Defenders, Eastern League (AA) - 1 game 13-Apr
- Greg McMichael (pitcher, b. 1966, Tennessee)
- 1991: Durham Bulls, Carolina League (High-A) - 1 game 15-Aug
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- 1993: Atlanta Braves, National League (MLB) - 1 game 17-Aug
- 1996: Atlanta Braves, National League (MLB) - 1 game 14-Sep
- 1997: New York Mets, National League (MLB) - 3 games 14-Sep 15-Sep g2 28-Sep
- Beau McMillan (infielder, b. 1981, Texas)
- 2005: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 27-Aug
- Clayton McMillan (pitcher, b. 1986, Texas)
- 2009: Rome Braves, South Atlantic League (Low-A) - 1 game 3-Jul
- Drew McMillan (catcher, b. 1980, California)
- 2005: Vermont Expos, New York-Penn League (short-season) - 1 game 4-Aug
- Garrett McMillan (pitcher, b. 2001, Alabama)
- Jamie McMillan (first baseman, b. 1991)
- 2014: Trinidad Triggers, Pecos League (independent) - 1 game 22-Jul
- Sam McMillan (catcher, b. 1998, Florida)
- 2018: Connecticut Tigers, New York-Penn League (short-season) - 2 games 27-Jul 30-Jul
- 2021: Lakeland Flying Tigers, Low-A Southeast - 4 games 4-May 5-May 6-May 23-Jun
- Brian McMillin (outfielder, b. 1977, Indiana)
- 1999: Quad City River Bandits, Midwest League (Low-A) - 1 game 4-Sep
- Billy McMillon (outfielder, b. 1971, New Mexico)
- 1995: Portland Sea Dogs, Eastern League (AA) - 1 game 27-Aug
- 1997: Philadelphia Phillies, National League (MLB) - 2 games 15-Sep g2 27-Sep
- 1998: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 14-Aug
- 2000: Detroit Tigers, Major League Baseball - 1 game 25-Sep
- John McMillon (pitcher, b. 1998, Texas)
- 2022: Columbia Fireflies, Carolina League (Low-A) - 1 game 22-Jun
- Ian McMullen (catcher, b. 1980)
- 2005: River City Rascals, Frontier League (independent) - 1 game 6-Aug
- Chris McMurray (catcher, b. 1986, California)
- 2009: Sarasota Reds, Florida State League (High-A) - 1 game 5-Sep
- 2012: Lincoln Saltdogs, American Association (independent) - 1 game 24-Aug
- Dan McMurtrie (pitcher, b. 1963)
- 1986: Little Falls Mets, New York-Penn League (short-season) - 1 game 15-Aug
- Tim McNab (pitcher, b. 1980, Florida)
- 2003: Capital City Bombers, South Atlantic League (Low-A) - 1 game 1-Aug
- 2010: Lancaster Barnstormers, Atlantic League (independent) - 1 game 19-Aug
- Buck McNabb (outfielder, b. 1973, Florida)
- 2004: Quebec Les Capitales, Northeast League (independent) - 1 game 18-Jun
- Glen McNabb (infielder, b. 1970)
- 1992: Appleton Foxes, Midwest League (Low-A) - 1 game 13-Aug
- Brennon McNair (infielder, b. 2002, Mississippi)
- 2023: Columbia Fireflies, Carolina League (Low-A) - 1 game 16-Jul
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g2
- Fred McNair (first baseman, b. 1970, Georgia)
- 1995: Reading Phillies, Eastern League (AA) - 2 games 21-Jul 9-Sep
- Patrick McNair (pitcher, b. 1979, California)
- 2002: Lexington Legends, South Atlantic League (Low-A) - 1 game 14-Jul
- Sean McNally (infielder, b. 1972, New York)
- 1995: Springfield Sultans, Midwest League (Low-A) - 1 game 18-Aug
- 1996: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 28-Jul
- 1998: Wichita Wranglers, Texas League (AA) - 1 game 22-Aug
- William (Shawn) McNally (outfielder, b. 1973, Georgia)
- 1995: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 25-Jun
- Dillon McNamara (pitcher, b. 1991, New York)
- 2013: Staten Island Yankees, New York-Penn League (short-season) - 1 game 6-Aug
- 2014: Staten Island Yankees, New York-Penn League (short-season) - 1 game 31-Jul
- 2016: Tampa Yankees, Florida State League (High-A) - 1 game 24-Aug
- Rusty McNamara (infielder, b. 1975, California)
- 1997: Batavia Clippers, New York-Penn League (short-season) - 1 game 19-Jul
- 1999: Reading Phillies, Eastern League (AA) - 1 game 6-Sep
- 2000: Reading Phillies, Eastern League (AA) - 2 games 24-Apr 7-Sep
- 2001: Reading Phillies, Eastern League (AA) - 1 game 22-Aug
- 2003: Long Island Ducks, Atlantic League (independent) - 1 game 7-Sep
- 2004: Long Island Ducks, Atlantic League (independent) - 1 game 26-Sep
- Troy McNaughton (outfielder, b. 1975, Alberta)
- 1998: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 25-Jul 30-Jul
- 2001: New Haven Ravens, Eastern League (AA) - 1 game 15-Jul
- Aaron McNeal (first baseman, b. 1978, California)
- 2001: Binghamton Mets, Eastern League (AA) - 1 game 22-Jul
- 2002: Binghamton Mets, Eastern League (AA) - 1 game 4-Jul
- 2003: Reading Phillies, Eastern League (AA) - 4 games 3-Apr 27-Jun 6-Jul night 12-Aug
- Pepe McNeal (catcher, b. 1975, Florida)
- 1994: Burlington Indians, Appalachian League (rookie) - 1 game 3-Jul
- 1996: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 22-Aug
- 1999: Elmira Pioneers, Northeast League (independent) - 1 game 17-Jul
- Shaine McNeely (pitcher, b. 1998, California)
- 2022: Tampa Tarpons, Florida State League (Low-A) - 2 games 24-Aug 28-Aug
- Jeff McNeil (infielder, b. 1992, California)
- Jack McNellis (pitcher, b. 1998, Missouri)
- 2020: Baseball Resume Bandits, Liberation League (independent) - 1 game 22-Sep
- Jerry McNertney (catcher, b. 1936, Iowa)
- 1972: St. Louis Cardinals, National League (MLB) - 1 game 25-Jun g1
- Brian McNichol (pitcher, b. 1974, Virginia)
- 1995: Williamsport Cubs, New York-Penn League (short-season) - 1 game 20-Aug
- Brooks McNiven (pitcher, b. 1981, British Columbia)
- 2004: San Jose Giants, California League (High-A) - 2 games 12-Aug 17-Aug
- Kevin McNorton (pitcher, b. 1991)
- 2015: Joliet Slammers, Frontier League (independent) - 1 game 30-Aug
- Trey McNutt (pitcher, b. 1989, Alabama)
- 2019: Las Vegas Aviators, Pacific Coast League (AAA) - 1 game 2-Sep
- James McOwen (outfielder, b. 1985, Florida)
- 2018: Quebec Les Capitales, Can-Am League (independent) - 2 games 5-Sep 14-Sep
- Derrick McPhearson (outfielder, b. 1986, Maryland)
- 2009: Wisconsin Timber Rattlers, Midwest League (Low-A) - 1 game 28-Jul
- Matt McPhearson (outfielder, b. 1995, Maryland)
- 2017: Visalia Rawhide, California League (High-A) - 1 game 1-Aug
- Dallas McPherson (infielder, b. 1980, North Carolina)
- 2004: Salt Lake Stingers, Pacific Coast League (AAA) - 1 game 13-Aug
- 2005: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 10-Jun
- Kyle McPherson (pitcher, b. 1987, Alabama)
- 2015: Montgomery Biscuits, Southern League (AA) - 1 game 28-Jul
- Steve McQuail (first base/outfield, b. 1989, New York)
- 2015: Long Island Ducks, Atlantic League (independent) - 1 game 17-Aug
- ZeErika McQueen (outfielder, b. 1988, Mississippi)
- 2010: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 8-Sep
- Carter McQuigg (infielder, b. 1985)
- 2008: Atlantic City Surf, Can-Am League (independent) - 1 game 5-Jul
- Mike McQuillan (utility, b. 1989, Illinois)
- 2012: Auburn Doubledays, New York-Penn League (short-season) - 1 game 21-Jul
- Jason McQuinniff (catcher/infield, b. 1974, Florida)
- 2000: Lehigh Valley Black Diamonds, Atlantic League (independent) - 1 game 2-Jul g1
- 2001: Lehigh Valley Black Diamonds, Atlantic League (independent) - 1 game 13-May
- Alex McRae (pitcher, b. 1993, Wisconsin)
- 2016: Surprise Saguaros, Arizona Fall League - 1 game 13-Oct
- Brian McRae (outfielder, b. 1967, Florida)
- Ethan McRae (pitcher, b. 1997, California)
- 2024: Billings Mustangs, Pioneer League (independent) - 1 game 5-Jul g1
- Hal McRae (outfielder, b. 1945, Florida)
- 1974: Kansas City Royals, American League (MLB) - 1 game 25-Apr
- Kevin McReynolds (outfielder, b. 1959, Arkansas)
- 1990: New York Mets, National League (MLB) - 1 game 9-Sep
- 1991: New York Mets, National League (MLB) - 2 games 6-Sep 22-Sep
- 1994: New York Mets, National League (MLB) - 3 games 15-Apr 16-Apr 17-Jul
- Jake McSteen (pitcher, b. 1996, Virginia)
- 2022: Rome Braves, South Atlantic League (High-A) - 1 game 4-Jul
- 2023: Salt River Rafters, Arizona Fall League - 1 game 11-Oct
- Morgan McSweeney (pitcher, b. 1997, Massachusetts)
- 2023: Norfolk Tides, International League (AAA) - 1 game 15-Jul
- Mike McTamney (pitcher, b. 1982)
- 2008: Rockford RiverHawks, Frontier League (independent) - 1 game 16-Aug
- 2010: Rockford RiverHawks, Northern League (independent) - 1 game 4-Sep
- Cameron McVey (pitcher, b. 1988, California)
- 2019: Lincoln Saltdogs, American Association (independent) - 2 games 6-Jun 16-Jul
- David McWatters (pitcher, b. 1978, Australia)
- 2001: Kalamazoo Kings, Frontier League (independent) - 2 games 7-Jul 18-Aug
- Ray McWhite (utility, b. 1973, Florida)
- 1997: Catskill Cougars, Northeast League (independent) - 2 games 3-Aug 8-Aug
- Arden McWilliams (outfielder, b. 1986)
- 2009: Lake Erie Crushers, Frontier League (independent) - 1 game 27-Jul
* Cory Meacham - see Cory Rauschenberger
- Rusty Meacham (pitcher, b. 1968, Florida)
- 1992: Kansas City Royals, American League (MLB) - 1 game 17-Aug
- 1998: Nashville Sounds, Pacific Coast League (AAA) - 1 game 26-Aug
- 2003: Nashua Pride, Atlantic League (independent) - 1 game 25-Jul
- Xavier Meachem (pitcher, b. 2002, North Carolina)
- 2023: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 17-Sep
- Curtis Mead (infielder, b. 2000, Australia)
- David Mead (pitcher, b. 1981, Tennessee)
- 2000: Pulaski Rangers, Appalachian League (rookie) - 1 game 31-Jul g2
- Paul Meade (infielder, b. 1969)
- 1993: Kinston Indians, Carolina League (High-A) - 1 game 8-Aug
- Austin Meadows (outfielder, b. 1995, Georgia)
- Brian Meadows (pitcher, b. 1975, Alabama)
- 1997: Portland Sea Dogs, Eastern League (AA) - 1 game 19-Aug
- 2004: Pittsburgh Pirates, Major League Baseball - 1 game 8-Aug
- Nolan Meadows (outfielder, b. 1992, California)
- Parker Meadows (outfielder, b. 1999, Georgia)
- 2022: Salt River Rafters, Arizona Fall League - 2 games 13-Oct 15-Oct
- 2023: Detroit Tigers, Major League Baseball - 1 game 30-Sep
- 2024: Detroit Tigers, Major League Baseball - 2 games 22-Apr 26-Sep
- Randy Meadows (infielder, b. 1976, Florida)
- 2001: West Tenn Diamond Jaxx, Southern League (AA) - 1 game 4-Aug
- 2002: Altoona Curve, Eastern League (AA) - 1 game 8-May
- Tydus Meadows (outfielder, b. 1977, Georgia)
- 1998: Rockford Cubbies, Midwest League (Low-A) - 1 game 19-Aug
- 2001: West Tenn Diamond Jaxx, Southern League (AA) - 1 game 4-Aug
- 2003: Wichita Wranglers, Texas League (AA) - 1 game 8-Aug
- Todd Meady (pitcher, b. 1976, Connecticut)
- 2002: New Jersey Jackals, Northeast League (independent) - 1 game 16-Jul
- Andrew Means (outfielder, b. 1986, Ohio)
- 2012: Pensacola Blue Wahoos, Southern League (AA) - 1 game 12-Aug
- Jake Means (infielder, b. 1996, Kansas)
- 2021: Surprise Saguaros, Arizona Fall League - 1 game 21-Oct
- 2022: Northwest Arkansas Naturals, Texas League (AA) - 1 game 5-Aug
- Pat Meares (infielder, b. 1968, Kansas)
- 1993: Minnesota Twins, American League (MLB) - 1 game 22-Sep
- 1995: Minnesota Twins, American League (MLB) - 1 game 7-Aug
- 1996: Minnesota Twins, American League (MLB) - 1 game 3-Aug day
- Magic Mears (utility, b. 1982)
- 2006: Sussex Skyhawks, Can-Am League (independent) - 1 game 9-Jul
- Nick Mears (pitcher, b. 1996, California)
- 2019: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 1-May
- 2019: Peoria Javelinas, Arizona Fall League - 1 game 19-Oct
- Gil Meche (pitcher, b. 1978, Louisiana)
- 1999: Seattle Mariners, American League (MLB) - 1 game 21-Aug
- Yoel Mecias (pitcher, b. 1993, Venezuela)
- 2014: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 5-Aug
- Jim Mecir (pitcher, b. 1970, New York)
- 1998: Tampa Bay Devil Rays, American League (MLB) - 1 game 9-Aug
- Neil Medchill (outfielder, b. 1987, Michigan)
- 2009: Staten Island Yankees, New York-Penn League (short-season) - 3 games 20-Jul 9-Sep 14-Sep
- Brandon Medders (pitcher, b. 1980, Alabama)
- 2009: San Francisco Giants, Major League Baseball - 1 game 21-Aug
- Deacon Medders (pitcher, b. 1996, Alabama)
- 2019: Tri-City Dust Devils, Northwest League (short-season) - 1 game 5-Jul
- Gadiel Medero (pitcher, b. 1975, Puerto Rico)
- 1998: Atlantic City Surf, Atlantic League (independent) - 2 games 4-Jul 12-Jul
- Jarred Mederos (infielder, b. 1993, Florida)
- 2015: Laredo Lemurs, American Association (independent) - 1 game 31-Jul
- 2015: Gary Southshore RailCats, American Association (independent) - 1 game 1-Sep
- 2017: Sussex County Miners, Can-Am League (independent) - 2 games 8-Aug 11-Aug
- 2018: Sussex County Miners, Can-Am League (independent) - 4 games 12-Jun g1 12-Jun g2 8-Sep 14-Sep
- Spencer Medick (pitcher, b. 1991, Virginia)
- 2015: Joliet Slammers, Frontier League (independent) - 1 game 30-Aug
- Adonis Medina (pitcher, b. 1996, Dominican Republic)
- 2022: New York Mets, Major League Baseball - 1 game 15-Aug
- 2024: Rochester Red Wings, International League (AAA) - 1 game 21-Sep
- Frank Medina (pitcher, b. unknown, Cuba)
- 2017: Cuban National Team, Can-Am League (independent) - 1 game 22-Jun
- Frank Medina (pitcher, b. 2000, Dominican Republic)
- 2022: FCL Blue Jays, Florida Complex League (rookie) - 2 games 16-Jun 29-Jul g2
- Gabe Medina (pitcher, b. 1984, Venezuela)
- 2008: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 18-Aug
- Jeffeson Medina (pitcher, b. 1994, Venezuela)
- 2015: Clinton LumberKings, Midwest League (Low-A) - 1 game 28-Aug
- 2018: Modesto Nuts, California League (High-A) - 1 game 14-Aug
- Jhondaniel Medina (pitcher, b. 1993, Venezuela)
- 2013: West Virginia Power, South Atlantic League (Low-A) - 1 game 8-Aug
- Jose Miguel Medina (outfielder, b. 1996, Dominican Republic)
- 2017: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 16-Aug
- 2018: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 15-Jun 18-Jun
- 2019: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 30-Apr
- Junior Medina (outfielder, b. 1979)
- Luis Medina (first baseman, b. 1979, Venezuela)
- 2000: Lansing Lugnuts, Midwest League (Low-A) - 1 game 21-Jul
- Manuel Medina (pitcher, b. 2002, Venezuela)
- 2023: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 27-Jul
- Nelson Medina (outfielder, b. 2000, Dominican Republic)
- 2019: GCL Yankees West, Gulf Coast League (rookie) - 4 games 1-Aug 2-Aug g2 26-Aug g2 27-Aug
- 2022: FCL Yankees, Florida Complex League (rookie) - 1 game 25-Jul g1
- 2023: Tampa Tarpons, Florida State League (Low-A) - 1 game 22-Apr
- 2023: Mesa Solar Sox, Arizona Fall League - 1 game 13-Oct
- Oswald Medina (pitcher, b. 2001, Venezuela)
- 2022: Clearwater Threshers, Florida State League (Low-A) - 5 games 8-Apr 20-Apr 10-May 17-May 31-May
- 2022: FCL Phillies, Florida Complex League (rookie) - 1 game 11-Aug
- 2023: Clearwater Threshers, Florida State League (Low-A) - 2 games 3-Jul 9-Jul
- Rafael Medina (pitcher, b. 1975, Panama)
- 1994: Oneonta Yankees, New York-Penn League (short-season) - 1 game 26-Jun
- Reydel Medina (outfielder, b. 1993, Cuba)
- 2016: Daytona Tortugas, Florida State League (High-A) - 1 game 23-Aug g2
- Rodney Medina (outfielder, b. 1981, Venezuela)
- 2003: Charleston Alley Cats, South Atlantic League (Low-A) - 3 games 6-May 5-Jul 13-Jul
- 2007: Edinburg Coyotes, United League (independent) - 1 game 14-Aug
- Willie Medina (infielder, b. 1991, Florida)
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 1 game 29-Aug
- Yhoxian Medina (infielder, b. 1990, Venezuela)
- 2019: Fargo-Moorhead RedHawks, American Association (independent) - 1 game 7-Jun
- Kris Medlen (pitcher, b. 1985, California)
- 2008: Mississippi Braves, Southern League (AA) - 1 game 14-Aug
- 2012: Atlanta Braves, Major League Baseball - 1 game 8-Apr
- 2017: Gwinnett Braves, International League (AAA) - 1 game 26-Jul
- Calvin Medlock (pitcher, b. 1982, Texas)
- 2009: Durham Bulls, International League (AAA) - 1 game 17-Sep
- Brendan Medoro (pitcher, b. 1999, Florida)
- 2024: Billings Mustangs, Pioneer League (independent) - 1 game 5-Jul g2
- Keith Medosch (utility, b. 1975, ohio)
- 1998: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 20-Aug
- Anthony Medrano (infielder, b. 1974, California)
- 1995: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 31-Aug
- 1998: Wichita Wranglers, Texas League (AA) - 1 game 22-Aug
- 2004: Edmonton Trappers, Pacific Coast League (AAA) - 2 games 9-Apr 15-Aug
- Jesse Medrano (infielder, b. 1995, California)
- Jesus Medrano (infielder, b. 1978, California)
- 1999: Kane County Cougars, Midwest League (Low-A) - 1 game 5-Sep
- 2002: Portland Sea Dogs, Eastern League (AA) - 1 game 21-Apr
- 2004: Portland Sea Dogs, Eastern League (AA) - 1 game 1-Aug
- Miguel Medrano (pitcher, b. 1998, Dominican Republic)
- 2021: Daytona Tortugas, Low-A Southeast - 1 game 24-Jun
- Robinson Medrano (first base/outfield, b. 1996, Dominican Republic)
- 2017: Salem-Keizer Volcanoes, Northwest League (short-season) - 1 game 3-Aug
- Ryan Medrano (infielder, b. 1974, Texas)
- 1999: Nashua Pride, Atlantic League (independent) - 1 game 11-Sep g1
- 2000: New Haven Ravens, Eastern League (AA) - 1 game 8-Apr
- Steve Medrano (infielder, b. 1977, California)
- 1999: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 15-Aug
- 2000: Wichita Wranglers, Texas League (AA) - 1 game 23-Aug
- Evan Meek (pitcher, b. 1983, Washington)
- 2014: Baltimore Orioles, Major League Baseball - 1 game 22-Sep
- James Meeker (pitcher, b. 1995, New Jersey)
- 2021: Carolina Mudcats, Low-A East - 1 game 5-Sep
- 2023: Nashville Sounds, International League (AAA) - 1 game 23-Sep
- Mike Meggers (outfielder, b. 1970, California)
- 1994: Winston-Salem Spirits, Carolina League (High-A) - 1 game 4-Aug
- Jack Meggs (outfielder, b. 1995, California)
- 2018: Beloit Snappers, Midwest League (Low-A) - 1 game 6-Aug
- Trevor Megill (pitcher, b. 1993, California)
- 2024: Milwaukee Brewers, Major League Baseball - 2 games 24-Sep 27-Sep
- Truan Mehl (outfielder, b. 1983, Kansas)
- 2008: Bakersfield Blaze, California League (High-A) - 1 game 2-Aug
- Mikey Mehlich (pitcher, b. 1987, Florida)
- Chase Meidroth (infielder, b. 2001, California)
- 2022: Salem Red Sox, Carolina League (Low-A) - 1 game 2-Sep
- 2024: Worcester Red Sox, International League (AAA) - 1 game 22-Sep
- Dan Meier (first base/outfield, b. 1977, Colorado)
- 2002: Altoona Curve, Eastern League (AA) - 1 game 8-May
- 2005: Sioux City Explorers, Northern League (independent) - 2 games 8-Aug 12-Aug
- Jesse Meier (pitcher, b. 1989)
- 2014: Raton Osos, Pecos League (independent) - 1 game 22-Jul
- Kenny Meimerstorf (outfielder, b. 1994, Nevada)
- Jeremiah Meiners (pitcher, b. 1988, Maryland)
- 2012: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 13-Sep
- Justin Meis (pitcher, b. 1999, Pennsylvania)
- 2021: Bradenton Marauders, Low-A Southeast - 1 game 17-Aug
- Ryan Meisinger (pitcher, b. 1994, Maryland)
- 2023: Chattanooga Lookouts, Southern League (AA) - 1 game 20-Jun
- Adony Mejia (catcher, b. 2001, Dominican Republic)
- Alan Mejia (outfielder, b. 2001, Dominican Republic)
- Alex Mejia (infielder, b. 1991, California)
- 2012: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 21-Jul
- 2017: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 6-Aug
- 2018: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 18-Sep
- Angel Mejia (pitcher, b. 1995, Dominican Republic)
- 2018: Dominican Republic, Can-Am League (independent) - 1 game 13-Jun
- Bryan Mejia (infielder, b. 1994, Dominican Republic)
- 2014: Auburn Doubledays, New York-Penn League (short-season) - 2 games 4-Jul g1 4-Jul g2
- 2016: Potomac Nationals, Carolina League (High-A) - 1 game 28-May
- 2017: Potomac Nationals, Carolina League (High-A) - 1 game 3-Jul
- 2018: Potomac Nationals, Carolina League (High-A) - 1 game 3-Sep
- Daniel Mejia (pitcher, b. 2002, Dominican Republic)
- Delfino Mejia (pitcher, b. 1971, Dominican Republic)
- 2000: Nashua Pride, Atlantic League (independent) - 1 game 2-Jul g2
- Enmanuel Mejia (pitcher, b. 1998, Dominican Republic)
- Erick Mejia (infielder, b. 1994, Dominican Republic)
- 2019: Omaha Storm Chasers, Pacific Coast League (AAA) - 1 game 23-Jul
- Ernesto Mejia (first baseman, b. 1985, Venezuela)
- 2012: Gwinnett Braves, International League (AAA) - 1 game 2-Sep
- Francisco Mejia (catcher, b. 1995, Dominican Republic)
- Gilberto Mejia (infielder, b. 1982, Dominican Republic)
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- 2011: Lancaster Barnstormers, Atlantic League (independent) - 1 game 26-Jul
- 2012: Lancaster Barnstormers, Atlantic League (independent) - 1 game 6-Oct
- J.C. Mejia (pitcher, b. 1996, Dominican Republic)
- 2022: Biloxi Shuckers, Southern League (AA) - 1 game 4-Aug
- 2023: Nashville Sounds, International League (AAA) - 1 game 19-Apr
- Javier Mejia (pitcher, b. 1974, California)
- 1996: Martinsville Phillies, Appalachian League (rookie) - 1 game 27-Jul g2
- Jenrry Mejia (pitcher, b. 1989, Dominican Republic)
- Jonathan Mejia (infielder, b. 2005, Dominican Republic)
- 2023: Palm Beach Cardinals, Florida State League (Low-A) - 2 games 5-Jul 9-Jul
- Jorge Mejia (infielder, b. 1982, Dominican Republic)
- 2007: Road Warriors, Atlantic League (independent) - 1 game 3-Jul
- 2008: Calgary Vipers, Golden League (independent) - 1 game 27-Jul
- Juan Mejia (infielder, b. 1975, Dominican Republic)
- 1996: Martinsville Phillies, Appalachian League (rookie) - 1 game 27-Jul g1
- Juan Mejia (pitcher, b. 1979, Dominican Republic)
- 2003: Peoria Chiefs, Midwest League (Low-A) - 1 game 31-Jul
- Manny Mejia (catcher, b. 1978, Dominican Republic)
- 2002: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 7-Sep
- 2008: Newark Bears, Atlantic League (independent) - 5 games 24-Aug 1-Sep 13-Sep g1 13-Sep g2 18-Sep
- 2010: Newark Bears, Atlantic League (independent) - 2 games 6-Aug 7-Sep g1
- 2012: Sugar Land Skeeters, Atlantic League (independent) - 1 game 25-Jul
- Marlon Mejia (infielder, b. 1974, Dominican Republic)
- 1996: Auburn Doubledays, New York-Penn League (short-season) - 1 game 14-Aug
- Miguel Mejia (outfielder, b. 1975, Dominican Republic)
- 1997: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 27-Jun
- Miguel Mejia (pitcher, b. 1998, New York)
- 2022: Santurce Cangrejeros, Liga Clemente (winter) - 1 game 4-Dec g1
- Roberto Mejia (infielder, b. 1972, Dominican Republic)
- 1993: Colorado Rockies, National League (MLB) - 2 games 15-Aug 11-Sep
- Samuel Mejia (pitcher, b. 2002, Dominican Republic)
- 2023: Charleston RiverDogs, Carolina League (Low-A) - 1 game 9-May
- 2023: FCL Rays, Florida Complex League (rookie) - 1 game 8-Jul
- Tommy Mejia (pitcher, b. 1986, New York)
- 2009: Kalamazoo Kings, Frontier League (independent) - 1 game 27-Jul
- Aureliano Mejias (outfielder, b. 1980, Venezuela)
- 1999: Johnson City Cardinals, Appalachian League (rookie) - 1 game 7-Aug g2
- Erick Mejias (infielder, b. 1980, Venezuela)
- 2000: Pulaski Rangers, Appalachian League (rookie) - 1 game 4-Aug
- 2004: North Shore Spirit, Northeast League (independent) - 1 game 16-Sep
- 2005: Jackson Senators, Central League (independent) - 2 games 17-Aug 18-Aug
- Seth Mejias-Brean (infielder, b. 1991, Arizona)
- 2014: Surprise Saguaros, Arizona Fall League - 1 game 10-Oct
- 2019: El Paso Chihuahuas, Pacific Coast League (AAA) - 1 game 12-Jul
- 2021: Norfolk Tides, Triple-A East - 1 game 16-Jun
- Yorberto Mejicano (catcher/first base, b. 2000, Venezuela)
- 2022: Salem Red Sox, Carolina League (Low-A) - 1 game 2-Sep
- Mark Melancon (pitcher, b. 1985, Colorado)
- 2009: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 12-Apr
- 2017: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 30-Jul
- 2019: Atlanta Braves, Major League Baseball - 2 games 13-Aug 29-Sep
- 2020: Atlanta Braves, Major League Baseball - 1 game 13-Oct
- Alejandro Melean (pitcher, b. 2000, Venezuela)
- Kelvin Melean (infielder, b. 1998, Venezuela)
- 2017: Tri-City Dust Devils, Northwest League (short-season) - 2 games 4-Aug 5-Aug
- 2019: Tri-City Dust Devils, Northwest League (short-season) - 1 game 5-Jul
- Alexander Melendez (outfielder, b. 1995, Puerto Rico)
- 2015: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 4-Aug
- Andres Melendez (catcher, b. 2001, Venezuela; d. 2021, Florida)
- 2021: Lynchburg Hillcats, Low-A East - 1 game 15-Jun
- Cristofer Melendez (pitcher, b. 1997, Dominican Republic)
- 2022: Indianpolis Indians, International League (AAA) - 1 game 26-Jun
- German Melendez (catcher, then pitcher, b. 1980, Venezuela)
- 2002: Martinsville Astros, Appalachian League (rookie) - 1 game 14-Jul
- Ivan Melendez (infielder, b. 2000, Texas)
- 2023: Salt River Rafters, Arizona Fall League - 2 games 11-Oct 14-Oct
- Jaime Melendez (pitcher, b. 2001, Mexico)
- 2023: Mesa Solar Sox, Arizona Fall League - 1 game 13-Oct
- Jesse Melendez (catcher, b. 1995, California)
- 2021: Wasco Reserve, Pecos League (independent) - 1 game 17-Jul
- Jorge Melendez (catcher, b. 1974, Venezuela)
- 1998: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 22-Jul
- Jose Melendez (pitcher, b. 1965, Puerto Rico)
- 1992: San Diego Padres, National League (MLB) - 1 game 20-Aug
- 1994: Boston Red Sox, American League (MLB) - 1 game 23-Jul g2
- Luis Melendez (outfielder, b. 1949, Puerto Rico)
- 1970: St. Louis Cardinals, National League (MLB) - 1 game 13-Sep
- 1972: St. Louis Cardinals, National League (MLB) - 1 game 25-Jun g1
- Luis Melendez (catcher, b. 1979, Puerto Rico)
- 1999: Waterbury Spirit, Northeast League (independent) - 1 game 20-Jun
- 2001: Quebec Les Capitales, Northeast League (independent) - 1 game 20-Jul
- Manny Melendez (outfielder, b. 1997, Venezuela)
- 2018: Lancaster JetHawks, California League (High-A) - 2 games 12-Aug 16-Aug
- MJ Melendez (catcher, b. 1998, Florida)
- 2018: Lexington Legends, South Atlantic League (Low-A) - 1 game 13-Sep
- 2022: Kansas City Royals, Major League Baseball - 2 games 19-Aug 21-Aug
- Moises Melendez (pitcher, b. 1986, Venezuela)
- 2008: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 3-Apr
- Tilsaimy Melfor (infielder, b. 2001, Curacao)
- 2019: GCL Pirates, Gulf Coast League (rookie) - 1 game 24-Aug g1
- Ransel Melgarejo (outfielder, b. 1981, Cuba)
- 2003: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 30-Jul
- Adam Melhuse (catcher, b. 1972, California)
- 2005: Oakland Athletics, Major League Baseball - 1 game 7-Aug
- Jackson Melian (outfielder, b. 1980, Venezuela)
- 2001: Chattanooga Lookouts, Southern League (AA) - 1 game 9-Aug
- 2004: Trenton Thunder, Eastern League (AA) - 1 game 21-Jun
- 2006: Erie SeaWolves, Eastern League (AA) - 1 game 3-Jul
- Kevin Melillo (infielder, b. 1982, Florida)
- 2010: Indianapolis Indians, International League (AAA) - 1 game 30-Jul
- Keury Mella (pitcher, b. 1993, Dominican Republic)
- 2019: Cincinnati Reds, Major League Baseball - 1 game 20-Sep
- Sean Mellen (pitcher, b. 1998, Massachusetts)
- Bobby Melley (infielder, b. 1994, Massachusetts)
- 2017: Bowling Green Hot Rods, Midwest League (Low-A) - 1 game 21-Aug
- Carlos Melo (pitcher, b. 1991, Dominican Republic)
- 2014: Lake County Captains, Midwest League (Low-A) - 1 game 28-Aug
- Juan Melo (infielder, b. 1976, Dominican Republic)
- 1998: Las Vegas Stars, Pacific Coast League (AAA) - 1 game 17-Aug
- 2000: San Francisco Giants, Major League Baseball - 1 game 2-Sep
- 2007: Harrisburg Senators, Eastern League (AA) - 1 game 6-Apr
- Manuel Melo (outfielder, b. 1981, Venezuela)
- 2002: Ogden Raptors, Pioneer League (rookie) - 1 game 3-Aug
- Matt Melody (pitcher, b. 1987)
- 2009: Newark Bears, Atlantic League (independent) - 1 game 16-Jul
- Mason Melotakis (pitcher, b. 1991, Indiana)
- 2016: Surprise Saguaros, Arizona Fall League - 1 game 11-Oct
- 2017: Rochester Red Wings, International League (AAA) - 1 game 20-Aug
- Troy Melton (pitcher, b. 2000, California)
- 2023: Lakeland Flying Tigers, Florida State League (Low-A) - 1 game 4-May
- Mitch Meluskey (catcher, b. 1973, Washington)
- 1998: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 28-Aug
- 2000: Houston Astros, Major League Baseball - 1 game 22-Aug
- 2003: Nashua Pride, Atlantic League (independent) - 1 game 22-Jun g2
- 2003: Somerset Patriots, Atlantic League (independent) - 1 game 7-Aug
- Bob Melvin (catcher, b. 1961, California)
- 1993: Boston Red Sox, American League (MLB) - 1 game 17-Sep
- Ismael Mena (outfielder, b. 2002, Dominican Republic)
- 2023: Myrtle Beach Pelicans, Carolina League (Low-A) - 1 game 8-Sep
- Jose Mena (catcher, b. 1996, Dominican Republic)
- 2018: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 31-Aug
- 2022: Brooklyn Cyclones, South Atlantic League (High-A) - 1 game 8-May g2
- Steve Mena (infielder, b. 1985, Florida)
- 2006: South Bend Silver Hawks, Midwest League (Low-A) - 1 game 12-Aug
- Kevin Mench (outfielder, b. 1978, Delaware)
- 2006: Milwaukee Brewers, Major League Baseball - 1 game 4-Aug
- 2010: Syracuse Chiefs, International League (AAA) - 1 game 30-Jul
- 2010: Washington Nationals, Major League Baseball - 2 games 2-Oct 3-Oct
- Eddy Menchaca (infielder, b. 1981, Texas)
- 2005: San Antonio Missions, Texas League (AA) - 1 game 4-Sep
- Kirk Mendenhall (infielder, b. 1967, Illinois)
- 1993: London Tigers, Eastern League (AA) - 1 game 22-Aug
- 1994: Trenton Thunder, Eastern League (AA) - 1 game 8-Aug
- Jaime Mendes (pitcher, b. 1973, New Mexico)
- 1995: Batavia Clippers, New York-Penn League (short-season) - 1 game 20-Aug
- Adalberto Mendez (pitcher, b. 1982, Dominican Republic)
- 2010: Florida Marlins, Major League Baseball - 1 game 6-Sep day
- Alejandro Mendez (pitcher, b. 2001, Dominican Republic)
- 2021: FCL Orioles Black, Florida Complex League (rookie) - 1 game 24-Aug g2
- Carlos Mendez (catcher/first base, b. 1974, Venezuela)
- 1996: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 28-Jul
- 1998: Wichita Wranglers, Texas League (AA) - 1 game 22-Aug
- 2002: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 15-Aug
- 2003: Ottawa Lynx, International League (AAA) - 1 game 17-Aug
- Deivy Mendez (pitcher, b. 1995, Dominican Republic)
- 2016: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 11-Sep
- Emilio Mendez (infielder, b. 1973)
- 1993: Geneva Cubs, New York-Penn League (short-season) - 1 game 5-Sep
- Eric Mendez (pitcher, b. 1999, Aruba)
- Geancarlo Mendez (utility, b. 1989, Dominican Republic)
- 2011: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 25-May 24-Jul
- Gilberto Mendez (pitcher, b. 1992, Dominican Republic)
- 2014: Potomac Nationals, Carolina League (High-A) - 1 game 24-May
- Hendry Mendez (outfielder, b. 2003, Dominican Republic)
- 2023: Surprise Saguaros, Arizona Fall League - 1 game 14-Oct
- Jairo Mendez (pitcher, b. 1984)
- 2010: New Jersey Jackals, Can-Am League (independent) - 2 games 10-Jun 19-Jun
- Joel Mendez (outfielder, b. 2003, Dominican Republic)
- Jorge Mendez (catcher, b. 2003, Venezuela)
- 2024: FCL Phillies, Florida Complex League (rookie) - 2 games 1-Jun 24-Jun g2
- Josan Mendez (pitcher, b. 2000, Dominican Republic)
- 2021: Jupiter Hammerheads, Low-A Southeast - 1 game 30-Jul
- 2023: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Apr
- Jose Mendez (catcher, b. 1983, Venezuela)
- 2003: Fort Myers Miracle, Florida State League (High-A) - 1 game 31-Aug g2
- 2005: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 29-Jun
- Juan Mendez (pitcher, b. 1998, Dominican Republic)
- Julio Mendez (pitcher, b. 2005, Venezuela)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 2 games 27-May 30-Jul
- Leam Mendez (pitcher, b. 2000, Cuba)
- 2022: FCL Yankees, Florida Complex League (rookie) - 2 games 25-Jul g1 25-Jul g2
- 2022: Tampa Tarpons, Florida State League (Low-A) - 2 games 23-Aug 28-Aug
- 2022: Mesa Solar Sox, Arizona Fall League - 1 game 15-Oct
- 2023: Dunedin Blue Jays, Florida State League (Low-A) - 4 games 19-Jul 17-Aug 24-Aug 26-Aug
- Mario Mendez (outfielder, b. 1981, Dominican Republic)
- 2002: Ogden Raptors, Pioneer League (rookie) - 2 games 3-Aug 16-Aug
- 2003: Beloit Snappers, Midwest League (Low-A) - 1 game 31-Jul
- 2004: High Desert Mavericks, California League (High-A) - 2 games 7-Aug 11-Aug
- Miguel Mendez (catcher, then pitcher, b. 1988, Dominican Republic)
- 2010: State College Spikes, New York-Penn League (short-season) - 1 game 29-Jul
- Miguel Mendez (pitcher, b. 2002, Dominican Republic)
- 2023: Peoria Javelinas, Arizona Fall League - 1 game 11-Oct
- Rafael Mendez (catcher/infielder, b. 1984, Puerto Rico)
- 2004: Oneonta Tigers, New York-Penn League (short-season) - 1 game 26-Aug
- Ramiro Mendez (outfielder, b. 1985, Dominican Republic)
- 2006: Vancouver Canadians, Northwest League (short-season) - 1 game 22-Aug
- 2007: Kane County Cougars, Midwest League (Low-A) - 1 game 6-Aug
- Ricardo Mendez (outfielder, b. 2000, Venezuela)
- 2018: Auburn Doubledays, New York-Penn League (short-season) - 2 games 27-Jul 6-Sep
- 2021: Fredericksburg Nationals, Low-A East - 1 game 15-Jun
- Rodolfo Mendez (outfielder, b. 1974)
- 1995: Springfield Sultans, Midwest League (Low-A) - 1 game 18-Aug
- Roman Mendez (pitcher, b. 1990, Dominican Republic)
- 2016: Pawtucket Red Sox, International League (AAA) - 1 game 4-May
- 2018: Harrisburg Senators, Eastern League (AA) - 1 game 20-Jun
- Sergio Mendez (catcher/first base, b. 1973, Dominican Republic)
- 1996: Lynchburg Hillcats, Carolina League (High-A) - 2 games 26-Jul 1-Sep g1
- Valentin Mendez (infielder, b. 1981, Dominican Republic)
- 2002: Martinsville Astros, Appalachian League (rookie) - 1 game 14-Jul
- Victor Mendez (outfielder, b. 1980, Dominican Republic)
- 2002: Oneonta Tigers, New York-Penn League (short-season) - 3 games 4-Jul 7-Jul 12-Sep
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- Frank Mendible (pitcher, b. 1979, Venezuela)
- 2003: Florence Freedom, Frontier League (independent) - 1 game 4-Jul
- Danny Mendick (infielder, b. 1993, New York)
- 2019: Charlotte Knights, International League (AAA) - 1 game 1-May
- 2021: Chicago White Sox, Major League Baseball - 2 games 21-Aug 22-Aug
- 2024: Charlotte Knights, International League (AAA) - 1 game 20-Sep
- Noah Mendlinger (infielder, b. 2000, Georgia)
- Aaron Mendoza (catcher/first base, b. 1979, California)
- 2005: San Angelo Colts, Central League (independent) - 2 games 16-Aug 3-Sep
- Abdiel Mendoza (pitcher, b. 1998, Panama)
- 2021: Down East Wood Ducks, Low-A East - 1 game 17-Jun
- Angel Mendoza (outfielder, b. 1978, Dominican Republic)
- 1998: Lowell Spinners, New York-Penn League (short-season) - 1 game 25-Jul
- Carlos Mendoza (outfielder, b. 1974, Venezuela)
- Carlos Mendoza (infielder, b. 1979, Venezuela)
- 2004: Pensacola Pelicans, Central League (independent) - 1 game 3-Jul
- 2007: Trenton Thunder, Eastern League (AA) - 1 game 6-Apr
- Carlos Mendoza (utility, b. 1999, Florida)
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 31-Aug
- 2022: Lakeland Flying Tigers, Florida State League (Low-A) - 3 games 19-May 10-Jun 11-Jun
- Cristian Mendoza (pitcher, b. 1982, Colombia)
- 2006: Quebec Les Capitales, Can-Am League (independent) - 1 game 14-Aug
- Dante Mendoza (pitcher, b. 1998, California)
- 2022: Bradenton Marauders, Florida State League (Low-A) - 1 game 27-Apr
- Evan Mendoza (infielder, b. 1996, Florida)
- 2021: Memphis Redbirds, Triple-A East - 1 game 23-Sep
- Francisco Mendoza (pitcher, b. 1987, Dominican Republic)
- 2012: Myrtle Beach Pelicans, Carolina League (High-A) - 1 game 8-Aug
- Frankie Mendoza (infielder, b. 1972, Dominican Republic)
- 1995: Springfield Sultans, Midwest League (Low-A) - 1 game 18-Aug
- Harvin Mendoza (first baseman, b. 1999, Venezuela)
- 2019: Great Falls Voyagers, Pioneer League (rookie) - 1 game 4-Jul
- 2021: Kannapolis Cannon Ballers, Low-A East - 1 game 17-Jun
- Jaziel Mendoza (outfielder, b. 1981)
- 2005: Ohio Valley Redcoats, Frontier League (independent) - 1 game 20-Aug
- 2006: Traverse City Beach Bums, Frontier League (independent) - 1 game 11-Aug
- Jordarlin Mendoza (pitcher, b. 2003, Dominican Republic)
- 2024: FCL Yankees, Florida Complex League (rookie) - 1 game 1-Jun
- Marcos Mendoza (pitcher, b. 1980, California)
- 2004: Visalia Oaks, California League (High-A) - 1 game 8-Aug
- Pedro Mendoza (infielder, b. 1991, Venezuela)
- 2010: Jamestown Jammers, New York-Penn League (short-season) - 1 game 8-Sep
- Ramiro Mendoza (pitcher, b. 1972, Panama)
- 1996: New York Yankees, American League (MLB) - 1 game 22-Sep
- 1997: New York Yankees, American League (MLB) - 1 game 13-Jul
- 1999: New York Yankees, American League (MLB) - 2 games 31-Aug 22-Sep
- Ramon Mendoza (infielder, b. 2000, Mexico)
- 2021: Palm Beach Cardinals, Low-A Southeast - 1 game 12-Aug
- 2022: Peoria Chiefs, Midwest League (High-A) - 1 game 25-Jun
- Ranyelmy Mendoza (outfielder, b. 1994, Dominican Republic)
- 2013: Orem Owlz, Pioneer League (rookie) - 1 game 19-Aug
- Rey Mendoza (pitcher, b. 1970, Texas)
- 1996: Portland Sea Dogs, Eastern League (AA) - 1 game 5-Apr
- Yonathan Mendoza (infielder, b. 1994, Venezuela)
- 2014: Mahoning Valley Scrappers, New York-Penn League (short-season) - 1 game 29-Aug
- 2016: Lynchburg Hillcats, Carolina League (High-A) - 1 game 4-Sep
- 2019: Daytona Tortugas, Florida State League (High-A) - 1 game 14-Apr
- 2019: Chattanooga Lookouts, Southern League (AA) - 1 game 15-Aug
- Frank Menechino (infielder, b. 1971, New York)
- 2002: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 15-Aug
- 2004: Toronto Blue Jays, Major League Baseball - 1 game 20-Sep
- Joseph Menefee (pitcher, b. 1999, Texas)
- 2023: Daytona Tortugas, Florida State League (Low-A) - 1 game 11-Jun
- Antonio Menendez (pitcher, b. 1999, Virginia)
- 2022: Mesa Solar Sox, Arizona Fall League - 1 game 12-Oct
- Kiki Menendez (first baseman, b. 1995, Texas)
- 2018: Burlington Bees, Midwest League (Low-A) - 1 game 5-Aug
- Heiker Meneses (infielder, b. 1991, Venezuela)
- 2011: Salem Red Sox, Carolina League (High-A) - 1 game 13-Aug
- 2012: Portland Sea Dogs, Eastern League (AA) - 1 game 7-Apr
- 2013: Pawtucket Red Sox, International League (AAA) - 1 game 2-Sep
- 2017: Portland Sea Dogs, Eastern League (AA) - 1 game 15-Apr
- 2018: Lehigh Valley IronPigs, International League (AAA) - 2 games 2-May 17-May
- 2018: Reading Fightin Phils, Eastern League (AA) - 1 game 4-Jun
- Joey Meneses (first base/outfield, b. 1992, Mexico)
- 2013: Rome Braves, South Atlantic League (Low-A) - 1 game 26-May
- 2018: Lehigh Valley IronPigs, International League (AAA) - 5 games 2-May 17-May 27-May 14-Jun 1-Aug g2
- 2021: Worcester Red Sox, Triple-A East - 1 game 7-Sep
- 2022: Washington Nationals, Major League Baseball - 1 game 26-Sep
- 2023: Washington Nationals, Major League Baseball - 1 game 6-Sep
- 2024: Rochester Red Wings, International League (AAA) - 1 game 21-Sep
- Paul Menhart (pitcher, b. 1969, Missouri)
- 1997: San Diego Padres, National League (MLB) - 2 games 28-Aug 3-Sep
- Denis Menke (infielder, b. 1940, Iowa; d. 2020, Florida)
- 1967: Atlanta Braves, National League (MLB) - 1 game 9-Jul
- John Menken (outfielder, b. 1993)
- 2015: Schaumburg Boomers, Frontier League (independent) - 2 games 27-Aug 30-Aug
- David Hunter Mense (first base/outfield, b. 1984, Missouri)
- 2006: Jamestown Jammers, New York-Penn League (short-season) - 1 game 4-Jul
- 2012: Kansas City T-bones, American Association (independent) - 1 game 6-Aug
- Todd Mensik (first base/outfield, b. 1975, Illinois)
- 2000: Midland Rockhounds, Texas League (AA) - 1 game 20-Aug
- Tino Mention (outfielder, b. 1993, Florida)
- 2018: Salina Stockade, Can-Am League (independent) - 1 game 28-Jun
- Jorge Meran (catcher, b. 1974, Dominican Republic)
- 2003: Atlantic City Surf, Atlantic League (independent) - 1 game 14-Aug
- Hector Mercado (catcher, b. 1974, Puerto Rico)
- 2003: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 15-Aug
- 2005: Bridgeport Bluefish, Atlantic League (independent) - 1 game 15-Jun
- Jan Mercado (catcher, b. 1999, Puerto Rico)
- Jose Mercado (infielder, b. 2000, Puerto Rico)
- Michael Mercado (pitcher, b. 1999, South Carolina)
- 2018: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 31-Jul
- 2024: Lehigh Valley IronPigs, International League (AAA) - 1 game 22-Sep
- Onix Mercado (catcher, b. 1980, Puerto Rico)
- 2004: North Shore Spirit, Northeast League (independent) - 1 game 16-Sep
- 2006: Worcester Tornadoes, Can-Am League (independent) - 1 game 3-Jun g2
- Orlando Mercado (catcher/first base, b. 1985, Puerto Rico)
- Oscar Mercado (outfielder, b. 1994, Colombia)
- 2016: Palm Beach Cardinals, Florida State League (High-A) - 1 game 26-Aug
- 2019: Cleveland Indians, Major League Baseball - 3 games 1-Jun 30-Aug 19-Sep
- 2023: St. Louis Cardinals, Major League Baseball - 1 game 5-Jun
- Rafael Mercado (first base/outfield, b. 1970, Dominican Republic)
- 1998: Adirondack Lumberjacks, Northeast League (independent) - 1 game 19-Jul
- Richard Mercado (catcher/first base, b. 1983, California)
- 2012: Southern Maryland Blue Crabs, Atlantic League (independent) - 1 game 29-Sep
- Orlando Merced (first base/outfield, b. 1966, Puerto Rico)
- 1992: Pittsburgh Pirates, National League (MLB) - 2 games 20-Aug 4-Oct
- 1993: Pittsburgh Pirates, National League (MLB) - 1 game 11-Sep
- 1996: Pittsburgh Pirates, National League (MLB) - 1 game 6-Apr
- 2000: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 19-Aug
- 2001: Houston Astros, Major League Baseball - 1 game 27-Jul
- Anselmo Mercedes (infielder, b. 1979, Dominican Republic)
- 2001: Princeton Devil Rays, Appalachian League (rookie) - 1 game (as Ramon Mercedes) 5-Aug
- 2002: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 2-Sep
- Feliciano Mercedes (infielder, b. 1973)
- 1993: Frederick Keys, Carolina League (High-A) - 1 game 8-Aug
- Guillermo Mercedes (infielder, b. 1974, Dominican Republic)
- Jorge Mercedes (pitcher, b. 2000, Dominican Republic)
- 2022: Mesa Solar Sox, Arizona Fall League - 1 game 12-Oct
- Jose Mercedes (pitcher, b. 1971, Dominican Republic)
- 2000: Baltimore Orioles, Major League Baseball - 1 game 1-Oct
- 2003: Montreal Expos, Major League Baseball - 1 game 6-Sep
- Juan Mercedes (pitcher, b. 2002, Dominican Republic)
- 2024: Fort Myers Mighty Mussels, Florida State League (Low-A) - 1 game 20-Jul
- Luis Mercedes (outfielder, b. 1968, Dominican Republic; d. 2019, Dominican Republic)
- 1992: Rochester Red Wings, International League (AAA) - 1 game 8-Aug
- Luis Mercedes (infielder, b. 1978, Dominican Republic)
- 2002: Berkshire Black Bears, Northeast League (independent) - 1 game 28-Aug
- Melvin Mercedes (infielder, b. 1992, New York)
- 2017: Nashville Sounds, Pacific Coast League (AAA) - 1 game 21-Aug
- Roque Mercedes (pitcher, b. 1986, Dominican Republic)
- 2012: Quebec Les Capitales, Can-Am League (independent) - 1 game 10-Sep
- Simon Mercedes (pitcher, b. 1992, Dominican Republic)
- 2016: Salem Red Sox, Carolina League (High-A) - 1 game 4-Sep
- Victor Mercedes (infielder, b. 1979, Dominican Republic)
- 2001: Hickory Crawdads, South Atlantic League (Low-A) - 1 game (as Domingo Cuello) 13-Apr
- 2006: Winston-Salem Warthogs, Carolina League (High-A) - 1 game 29-Jul
- 2007: Birmingham Barons, Southern League (AA) - 1 game 17-Aug
- 2009: Newark Bears, Atlantic League (independent) - 5 games 16-Jul 12-Aug 25-Sep 26-Sep 27-Sep
- Yasser Mercedes (outfielder, b. 2004, Puerto Rico)
- 2023: FCL Twins, Florida Complex League (rookie) - 1 game 19-Jun
- Yermin Mercedes (catcher, b. 1993, Dominican Republic)
- 2018: Winston-Salem Dash, Carolina League (High-A) - 1 game 1-Sep
- 2019: Birmingham Barons, Southern League (AA) - 2 games 28-May 29-May
- 2021: Charlotte Knights, Triple-A East - 1 game 11-Aug
- Jordy Mercer (infielder, b. 1986, Oklahoma)
- 2010: Altoona Curve, Eastern League (AA) - 1 game 18-Sep
- 2012: Pittsburgh Pirates, Major League Baseball - 1 game 29-Jul
- 2013: Pittsburgh Pirates, Major League Baseball - 1 game 1-Sep
- 2016: Pittsburgh Pirates, Major League Baseball - 1 game 7-Aug
- 2019: Detroit Tigers, Major League Baseball - 1 game 19-Sep
- Jesus Merchan (infielder, b. 1981, Venezuela)
- 2005: Reading Phillies, Eastern League (AA) - 1 game 27-Jul
- 2006: Reading Phillies, Eastern League (AA) - 1 game 14-Apr
- 2007: Reading Phillies, Eastern League (AA) - 1 game 6-Apr
- 2009: Columbus Clippers, International League (AAA) - 1 game 9-Aug
- Mark Merchant (outfielder, b. 1969, New York)
- 1998: Newburgh Black Diamonds, Atlantic League (independent) - 1 game 27-Jul
- Kent Mercker (pitcher, b. 1968, Ohio)
- 1991: Atlanta Braves, National League (MLB) - 1 game 6-Sep
- 1992: Atlanta Braves, National League (MLB) - 2 games 31-Aug g1 31-Aug g2
- 1996: Baltimore Orioles, American League (MLB) - 1 game 13-Jul g2
- Matt Mercurio (infielder, b. 1982, Florida)
- 2007: New Haven County Cutters, Can-Am League (independent) - 1 game 23-Aug
- Hayden Merda (pitcher, b. 2000, California)
- 2023: Tampa Tarpons, Florida State League (Low-A) - 2 games 13-Jun 23-Jul g1
- Cla Meredith (pitcher, b. 1983, Virginia)
- 2008: San Diego Padres, Major League Baseball - 1 game 21-Sep
- Kier Meredith (outfielder, b. 1999, North Carolina)
- 2021: FCL Red Sox, Florida Complex League (rookie) - 1 game 23-Aug g2
- Omar Meregildo (infielder, b. 1997, Dominican Republic)
- 2017: Auburn Doubledays, New York-Penn League (short-season) - 1 game 4-Sep
- 2018: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 4-Jul
- 2022: Harrisburg Senators, Eastern League (AA) - 1 game 1-Sep
- Mark Merila (infielder, b. 1971)
- 1995: Idaho Falls Padres, Pioneer League (rookie) - 1 game 10-Aug
- Patrick Merino (first base/outfield, b. 1998, Cuba)
- 2022: FCL Rays, Florida Complex League (rookie) - 1 game 13-Aug
- Alex Merithew (pitcher, b. 1995, Missouri)
- 2020: Baseball Resume Bandits, Liberation League (independent) - 1 game 22-Sep
- Nick Merkel (pitcher, b. 1998, Washington)
- 2024: Peoria Javelinas, Arizona Fall League - 1 game 12-Oct
- Jesen Merle (pitcher, b. 1981, Puerto Rico)
- 2005: Richmond Roosters, Frontier League (independent) - 1 game 6-Aug
- Lou Merloni (infielder, b. 1971, Massachusetts)
- 1995: Trenton Thunder, Eastern League (AA) - 1 game 19-Aug
- 2002: Boston Red Sox, Major League Baseball - 1 game 29-Jun
- 2003: San Diego Padres, Major League Baseball - 1 game 2-Aug g1
- Kevin Merrell (infielder, b. 1995, Florida)
- 2019: Midland RockHounds, Texas League (AA) - 1 game 11-Jul
- 2019: Northwest Arkansas Naturals, Texas League (AA) - 2 games 18-Jul 20-Jul
- Brett Merrick (pitcher, b. 1974, Washington)
- 1997: Columbus RedStixx, South Atlantic League (Low-A) - 1 game 12-Aug g1
- Whit Merrifield (utility, b. 1989, South Carolina)
- 2019: Kansas City Royals, Major League Baseball - 1 game 24-Apr
- 2021: Kansas City Royals, Major League Baseball - 2 games 25-May 16-Sep
- 2022: Toronto Blue Jays, Major League Baseball - 1 game 2-Oct
- 2023: Toronto Blue Jays, Major League Baseball - 2 games 22-May 22-Sep
- Josh Merrigan (pitcher, b. 1978, South Dakota)
- 2001: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 19-Jul 26-Aug
- 2004: Sioux City Explorers, Northern League (independent) - 1 game 11-Jul
- Ethan Merrill (pitcher, b. 1972, Vermont)
- 1996: Trenton Thunder, Eastern League (AA) - 1 game 20-Jul
- Jackson Merrill (infielder, b. 2002, Maryland)
- Ronnie Merrill (infielder, b. 1978, Virginia)
- 2001: Erie SeaWolves, Eastern League (AA) - 1 game 8-Sep
- 2007: Mobile BayBears, Southern League (AA) - 1 game 17-Aug
- Terrell Merriman (outfielder, b. 1977, South Carolina)
- 2002: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 1-Sep
- 2005: Fort Worth Cats, Central League (independent) - 1 game 3-Sep
- Roydrick Merritt (pitcher, b. 1985, Texas)
- 2008: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 21-Aug 27-Aug
- 2009: Binghamton Mets, Eastern League (AA) - 1 game 8-Apr
- 2012: Somerset Patriots, Atlantic League (independent) - 1 game 25-Jul
- 2013: Somerset Patriots, Atlantic League (independent) - 2 games 20-Sep 28-Sep
- 2015: Somerset Patriots, Atlantic League (independent) - 1 game 27-Sep
- Julian Merryweather (pitcher, b. 1991, California)
- 2019: Scottsdale Scorpions, Arizona Fall League - 2 games 15-Oct 18-Oct
- 2021: Dunedin Blue Jays, Low-A Southeast - 1 game 18-Aug
- 2021: Toronto Blue Jays, Major League Baseball - 1 game 22-Sep
- David Mershon (infielder, b. 2003, South Carolina)
- Kurt Mertins (infielder, b. 1986, California)
- 2006: Idaho Falls Chukars, Pioneer League (rookie) - 1 game 25-Aug
- 2011: Omaha Storm Chasers, Pacific Coast League (AAA) - 1 game 1-Sep
- Matt Mervis (first baseman, b. 1998, District of Columbia)
- 2021: Myrtle Beach Pelicans, Low-A East - 1 game 18-Jun
- 2022: Tennessee Smokies, Southern League (AA) - 2 games 12-Jun 15-Jul
- 2022: Mesa Solar Sox, Arizona Fall League - 3 games 13-Oct 14-Oct 15-Oct
- 2024: Iowa Cubs, International League (AAA) - 1 game 21-Sep
- Jose Mesa (pitcher, b. 1966, Dominican Republic)
- 1994: Cleveland Indians, American League (MLB) - 2 games 29-Jul 31-Jul
- 1997: Cleveland Indians, American League (MLB) - 1 game 27-Aug
- 2001: Philadelphia Phillies, Major League Baseball - 1 game 3-Sep
- 2002: Philadelphia Phillies, Major League Baseball - 1 game 7-Sep
- 2003: Philadelphia Phillies, Major League Baseball - 1 game 2-Aug g2
- 2004: Pittsburgh Pirates, Major League Baseball - 1 game 8-Aug
- Jose Mesa (pitcher, b. 1993, Florida)
- 2021: Pensacola Blue Wahoos, Double-A South - 1 game 12-May
- Melky Mesa (outfielder, b. 1987, Dominican Republic)
- 2011: Trenton Thunder, Eastern League (AA) - 1 game 3-Aug
- 2012: Trenton Thunder, Eastern League (AA) - 2 games 5-Apr 4-Jul
- 2012: New York Yankees, Major League Baseball - 2 games 22-Sep 1-Oct
- 2013: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 1 game 24-Apr
- 2015: Buffalo Bisons, International League (AAA) - 1 game 5-Jul
- 2018: York Revolution, Atlantic League (independent) - 2 games 26-Jul g1 26-Jul g2
- Narciso Mesa (outfielder, b. 1991, Dominican Republic)
- 2014: Potomac Nationals, Carolina League (High-A) - 1 game 24-May
- 2014: Hagerstown Suns, South Atlantic League (Low-A) - 2 games 9-Aug 14-Aug
- 2016: Potomac Nationals, Carolina League (High-A) - 1 game 28-May
- Rafael Mesa (pitcher, b. 1973, Dominican Republic)
- 1994: Burlington Indians, Appalachian League (rookie) - 1 game 3-Jul
- Victor Mesa (outfielder, b. 2001, Cuba)
- 2021: Jupiter Hammerheads, Low-A Southeast - 2 games 22-Jun 30-Jul
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- 2022: Mesa Solar Sox, Arizona Fall League - 3 games 12-Oct 13-Oct 15-Oct
- 2023: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Apr
- 2024: Jacksonville Jumbo Shrimp, International League (AAA) - 2 games 21-Apr 19-Jun
- Victor Victor Mesa (outfielder, b. 1996, Cuba)
- 2017: Cuban National Team, Can-Am League (independent) - 1 game 22-Jun
- 2019: Jupiter Hammerheads, Florida State League (High-A) - 2 games 15-May g1 15-May g2
- 2019: Jacksonville Jumbo Shrimp, Southern League (AA) - 1 game 10-Aug
- 2019: Salt River Rafters, Arizona Fall League - 1 game 16-Oct
- 2021: Pensacola Blue Wahoos, Double-A South - 1 game 12-May
- 2022: Jacksonville Jumbo Shrimp, International League (AAA) - 1 game 30-Aug
- Victor Mesia (catcher, b. 2003, Venezuela)
- Mike Mesh (utility, b. 1960)
- 1988: Pawtucket Red Sox, International League (AAA) - 1 game 29-Jul
- Devin Mesoraco (catcher, b. 1988, Pennsylvania)
- 2011: Louisville Bats, International League (AAA) - 1 game 1-Aug
- 2011: Cincinnati Reds, Major League Baseball - 1 game 26-Sep
- 2013: Cincinnati Reds, Major League Baseball - 1 game 17-Aug
- 2014: Cincinnati Reds, Major League Baseball - 1 game 22-Aug
- 2018: New York Mets, Major League Baseball - 4 games 9-Jul g1 9-Jul g2 15-Jul 26-Sep
- Randy Messenger (pitcher, b. 1981, Nevada)
- 2006: Florida Marlins, Major League Baseball - 1 game 30-Jul
- 2008: Seattle Mariners, Major League Baseball - 1 game 31-Aug
- Tyson Messer (pitcher, b. 1997, North Carolina)
- 2021: Kannapolis Cannon Ballers, Low-A East - 1 game 17-Jun
- Skyler Messinger (infielder, b. 1998, Colorado)
- 2024: Salt River Rafters, Arizona Fall League - 2 games 10-Oct 12-Oct
- Zach Messinger (pitcher, b. 1999, Indiana)
- Jake Messner (outfielder, b. 1977, California)
- 1996: Burlington Indians, Appalachian League (rookie) - 1 game 27-Jul g1
- 2000: Shreveport Captains, Texas League (AA) - 1 game 20-Aug
- Nate Messner (first baseman, b. 1985, Illinois)
- 2006: Jamestown Jammers, New York-Penn League (short-season) - 1 game 4-Jul
- Mike Metcalfe (utility, b. 1973, Virginia)
- 1994: Bakersfield Dodgers, California League (High-A) - 1 game 2-Sep
- 2001: Chattanooga Lookouts, Southern League (AA) - 1 game 9-Aug
- Brent Metheny (utility, b. 1980, Virginia)
- 2004: Mid-Missouri Mavericks, Frontier League (independent) - 1 game 10-Jul
- 2005: Mid-Missouri Mavericks, Frontier League (independent) - 1 game 20-Aug
- Joey Metropoulos (first base/outfield, b. 1983, California)
- 2006: Lansing Lugnuts, Midwest League (Low-A) - 1 game 12-Aug
- 2007: Southern Illinois Miners, Frontier League (independent) - 1 game 7-Aug
- David Metzgar (infielder, b. 1994, California)
- 2018: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 30-Aug
- 2019: Tampa Tarpons, Florida State League (High-A) - 1 game 11-Apr
- Brennan Metzger (outfielder, b. 1989, California)
- 2015: Gary Southshore RailCats, American Association (independent) - 1 game 6-Sep
- 2019: Fargo-Moorhead RedHawks, American Association (independent) - 1 game 7-Jun
- Erik Metzger (catcher, b. 1974, Mississippi)
- 1997: Lowell Spinners, New York-Penn League (short-season) - 1 game 26-Jul
- Ryan Metzler (infielder, b. 1993, Maryland)
- 2018: Hartford Yard Goats, Eastern League (AA) - 2 games 9-May 26-May g2
- Hensley Meulens (outfielder, b. 1967, Curacao)
- 1991: New York Yankees, American League (MLB) - 1 game 12-Sep
- 1992: Columbus Clippers, International League (AAA) - 1 game 19-Aug
- 1992: New York Yankees, American League (MLB) - 1 game 27-Sep
- 1997: Ottawa Lynx, International League (AAA) - 1 game 2-Aug
- 1997: Montreal Expos, National League (MLB) - 1 game 13-Sep
- 1999: Newark Bears, Atlantic League (independent) - 4 games 31-May 11-Jul 21-Jul 6-Sep g1
- 2001: Newark Bears, Atlantic League (independent) - 7 games 15-Aug 30-Aug g1 30-Aug g2 19-Sep 22-Sep 2-Oct 3-Oct
- Luis Mey (pitcher, b. 2001, Dominican Republic)
- 2021: Daytona Tortugas, Low-A Southeast - 1 game 1-Jun
- 2022: Daytona Tortugas, Florida State League (Low-A) - 1 game 13-May
- Alex Meyer (pitcher, b. 1990, Indiana)
- 2015: Rochester Red Wings, International League (AAA) - 2 games 4-Jul 7-Sep
- Ben Meyer (pitcher, b. 1993, Minnesota)
- 2018: Miami Marlins, Major League Baseball - 1 game 12-Sep
- Brian Meyer (pitcher, b. 1963, New Jersey)
- 1991: Canton-Akron Indians, Eastern League (AA) - 1 game 12-Aug
- Drew Meyer (infielder, b. 1981, South Carolina)
- 2003: Frisco Roughriders, Texas League (AA) - 1 game 8-Aug
- 2005: Oklahoma Redhawks, Pacific Coast League (AAA) - 1 game 19-Aug
- Mitch Meyer (outfielder, b. 1992, Kansas)
- 2015: Wisconsin Timber Rattlers, Midwest League (Low-A) - 2 games 31-Aug 2-Sep
- Nick Meyer (catcher, b. 1997, Colorado)
- 2018: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 1-Jul
- 2019: St. Lucie Mets, Florida State League (High-A) - 2 games 8-Apr 14-Apr
- Noble Meyer (pitcher, b. 2005, Oregon)
- 2023: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 19-Sep
- Stephan Meyer (pitcher, b. 1994, Arizona)
- 2016: West Virginia Black Bears, New York-Penn League (short-season) - 1 game 14-Aug
- Brad Meyers (pitcher, b. 1985, California)
- 2011: Syracuse Chiefs, International League (AAA) - 1 game 20-Aug
- Chad Meyers (utility, b. 1975, Nebraska)
- 2000: Chicago Cubs, Major League Baseball - 2 games 12-Aug 22-Aug
- 2004: Erie SeaWolves, Eastern League (AA) - 2 games 31-Aug 4-Sep
- Chris Meyers (infielder, b. 1999, Ohio)
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 31-Aug
- 2022: FCL Tigers, Florida Complex League (rookie) - 1 game 26-Jul
- 2023: Erie SeaWolves, Eastern League (AA) - 1 game 26-Sep
- Jacob (Jake) Meyers (outfielder, b. 1996, Nebraska)
- 2017: Tri-City ValleyCats, New York-Penn League (short-season) - 2 games 22-Jul 12-Aug g1
- 2018: Buies Creek Astros, Carolina League (High-A) - 2 games 29-Aug 2-Sep
- 2019: Fayetteville Woodpeckers, Carolina League (High-A) - 1 game 4-May
- 2023: Houston Astros, Major League Baseball - 1 game 24-Apr
- 2024: Houston Astros, Major League Baseball - 1 game 12-Aug
- Mike Meyers (utility, b. 1993, Nevada)
- 2014: Lowell Spinners, New York-Penn League (short-season) - 1 game 13-Aug g2
- Ryan Meyers (pitcher, b. 1973, Tennessee)
- 1996: St. Catharines Stompers, New York-Penn League (short-season) - 1 game 15-Aug
- Adrian Meza (infielder, b. 2005, Venezuela)
- 2024: FCL Blue Jays, Florida Complex League (rookie) - 2 games 6-May 22-Jul
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 3 games 21-Jun 1-Jul 3-Jul
- Carlos Meza (pitcher, b. 2004, Colombia)
- Enmanuel Meza (outfielder, b. 1994, Nicaragua)
- 2021: Nicaragua, Americas Olympic Qualifier - 1 game 2-Jun
- Julio Meza (catcher, b. 1999, Venezuela)
- 2019: GCL Rays, Gulf Coast League (rookie) - 1 game 9-Aug
- Luis Meza (catcher, b. 2004, Venezuela)
- 2023: FCL Blue Jays, Florida Complex League (rookie) - 2 games 29-Jul 22-Aug
- 2024: FCL Blue Jays, Florida Complex League (rookie) - 3 games 6-May 24-Jun g2 22-Jul
- Brandol Mezquita (outfielder, b. 2001, Dominican Republic)
- Tom Mezzanotte (catcher/first base, b. 1969)
- 1991: Bristol Tigers, Appalachian League (rookie) - 1 game 16-Aug
- Paul Mezzetta (pitcher, b. 1982)
- 2006: Traverse City Beach Bums, Frontier League (independent) - 1 game 11-Aug
- Dan Miceli (pitcher, b. 1970, New Jersey)
- 1997: Detroit Tigers, American League (MLB) - 1 game 4-Jul g1
- Gene Michael (infielder, b. 1938, Ohio)
- 1974: New York Yankees, American League (MLB) - 1 game 25-Apr
- Jeff Michael (infielder, b. 1971, Ohio)
- 1995: Frederick Keys, Carolina League (High-A) - 1 game 31-Aug
- Levi Michael (utility, b. 1991, North Carolina)
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 3 games 9-May 28-May 20-Jun
- 2019: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 17-Sep
- Mark Michael (pitcher, b. 1981, Iowa)
- 2003: GCL Pirates, Gulf Coast League (rookie) - 1 game 27-Aug
- Derek Michaelis (first base/outfield, b. 1978, Arkansas)
- 2003: Jacksonville Suns, Southern League (AA) - 1 game 23-Aug
- Jason Michaels (outfielder, b. 1976, Florida)
- 2000: Reading Phillies, Eastern League (AA) - 2 games 24-Apr 7-Sep
- 2001: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 2 games 8-Jul 13-Jul
- 2002: Philadelphia Phillies, Major League Baseball - 1 game 7-Sep
- 2003: Philadelphia Phillies, Major League Baseball - 3 games 2-Aug g1 2-Aug g2 28-Sep
- 2004: Philadelphia Phillies, Major League Baseball - 2 games 17-Jun 11-Sep
- 2005: Philadelphia Phillies, Major League Baseball - 1 game 28-Sep
- 2009: Houston Astros, Major League Baseball - 1 game 29-Sep
- Logan Michaels (catcher, b. 1998, Wisconsin)
- 2021: Delmarva Shorebirds, Low-A East - 1 game 5-Sep
- Nick Michaels (infielder, b. 1996, California)
- 2021: Ogden Raptors, Pioneer League (independent) - 1 game 9-Jul
- Chris Michalak (pitcher, b. 1971, Illinois)
- 1998: Arizona Diamondbacks, National League (MLB) - 1 game 6-Sep
- 2004: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 10-Aug g2
- Trey Michalczewski (infielder, b. 1995, Oklahoma)
- 2014: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 9-Aug
- 2016: Birmingham Barons, Southern League (AA) - 1 game 2-Sep
- 2016: Glendale Desert Dogs, Arizona Fall League - 1 game 14-Oct
- 2019: Birmingham Barons, Southern League (AA) - 2 games 28-May 29-May
- Joe Michalski (catcher, b. 1983, Maryland)
- 2005: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 7-Sep
- Fredy Michel (utility, b. 2004, Dominican Republic)
- 2023: FCL Twins, Florida Complex League (rookie) - 1 game 19-Jun
- Ismael Michel (pitcher, b. 2002, Dominican Republic)
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g2
- Shean Michel (outfielder, b. 1997, Curacao)
- Eddie Micheletti (outfielder, b. 2001, Delaware)
- Kameron Mickolio (pitcher, b. 1984, Montana)
- 2008: Bowie Baysox, Eastern League (AA) - 1 game 4-Jul
- Greg Miclat (infielder, b. 1987, Virginia)
- 2009: Frederick Keys, Carolina League (High-A) - 1 game 7-Sep
- 2009: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 10-Apr
- 2013: Round Rock Express, Pacific Coast League (AAA) - 1 game 22-Jul
- Will Middlebrooks (infielder, b. 1988, Texas)
- 2008: Lowell Spinners, New York-Penn League (short-season) - 1 game 21-Aug
- 2009: Greenville Drive, South Atlantic League (Low-A) - 2 games 8-Aug 15-Sep
- 2011: Pawtucket Red Sox, International League (AAA) - 1 game 20-Aug
- Brennan Middleton (infielder, b. 1990, Louisiana)
- 2014: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 9-Aug
- Cory Middleton (infielder, b. 1985, Florida)
- 2007: Oneonta Tigers, New York-Penn League (short-season) - 1 game 1-Aug
- Keynan Middleton (pitcher, b. 1993, Oregon)
- 2021: Seattle Mariners, Major League Baseball - 2 games 11-Jul 2-Aug
- Kyle Middleton (pitcher, b. 1980, Florida)
- 2007: Corpus Christi Hooks, Texas League (AA) - 1 game 8-Aug
- Doug Mientkiewicz (first baseman, b. 1974, Ohio)
- 1997: New Britain Rock Cats, Eastern League (AA) - 2 games 5-Apr 3-Aug
- 1998: New Britain Rock Cats, Eastern League (AA) - 2 games 2-Aug 17-Sep
- 2005: New York Mets, Major League Baseball - 2 games 10-Jun 3-Aug
- 2007: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 28-Aug
- 2007: New York Yankees, Major League Baseball - 3 games 19-Sep 22-Sep 30-Sep
- Jessie Mier (catcher, b. 1985, California)
- 2012: Wichita Wingnuts, American Association (independent) - 1 game 28-Jul
- Johan Mieses (outfielder, b. 1995, Dominican Republic)
- 2021: Worcester Red Sox, Triple-A East - 1 game 7-Sep
- 2022: Worcester Red Sox, International League (AAA) - 1 game 27-Sep
- Jose Mieses (pitcher, b. 1977, Dominican Republic)
- 2000: Stockton Mudville Nine, California League (High-A) - 1 game 2-Sep
- 2005: Nashua Pride, Atlantic League (independent) - 2 games 2-Jul 1-Oct
- Luis Mieses (outfielder, b. 2000, Dominican Republic)
- 2019: Great Falls Voyagers, Pioneer League (rookie) - 1 game 4-Jul
- 2021: Kannapolis Cannon Ballers, Low-A East - 1 game 17-Jun
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 1 game 17-Jul
- 2023: Birmingham Barons, Southern League (AA) - 1 game 20-Apr
- Matt Mieske (outfielder, b. 1968, Michigan)
- 1995: Milwaukee Brewers, American League (MLB) - 1 game 16-Aug
- 1996: Milwaukee Brewers, American League (MLB) - 2 games 4-Jul 25-Sep g2
- 1998: Iowa Cubs, Pacific Coast League (AAA) - 1 game 17-Aug
- Joe Mihalics (infielder, b. 1983, New York)
- Jose Mijares (pitcher, b. 1984, Venezuela)
- 2011: Minnesota Twins, Major League Baseball - 1 game 19-Sep
- Jordan Mikel (pitcher, b. 1999, Illinois)
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 1 game 31-Aug
- Jason Mikels (pitcher, b. 1979, California)
- 1999: Danville Braves, Appalachian League (rookie) - 1 game 7-Aug g2
- Lincoln Mikkelsen (pitcher, b. 1967)
- 2004: Camden Riversharks, Atlantic League (independent) - 4 games 18-Jul 24-Aug 29-Aug 26-Sep
- 2007: Somerset Patriots, Atlantic League (independent) - 1 game 24-Sep
- Justin Miknis (catcher/first base, b. 2000, Pennsylvania)
- Miles Mikolas (pitcher, b. 1988, Florida)
- 2021: St. Louis Cardinals, Major League Baseball - 1 game 17-Sep
- 2022: St. Louis Cardinals, Major League Baseball - 1 game 9-Jun
- Nate Mikolas (outfielder, b. 1993, Wisconsin)
- 2016: Staten Island Yankees, New York-Penn League (short-season) - 1 game 8-Aug
- Bob Milacki (pitcher, b. 1964, New Jersey)
- 1993: Cleveland Indians, American League (MLB) - 1 game 4-Sep
- Bobby Milacki (pitcher, b. 1996, Arizona)
- 2021: Fort Myers Mighty Mussels, Low-A Southeast - 1 game 29-Jul g2
- Cole Milam (pitcher, b. 1998, Illinois)
- 2021: FCL Red Sox, Florida Complex League (rookie) - 1 game 23-Aug g2
- Hunter Milam (pitcher, b. 2000, Alabama)
- 2019: GCL Phillies East, Gulf Coast League (rookie) - 2 games 2-Aug g2 22-Aug
- Kevin Milam (pitcher, b. 1998, California)
- 2019: GCL Yankees West, Gulf Coast League (rookie) - 1 game 2-Aug g1
- 2021: Tampa Tarpons, Low-A Southeast - 1 game 9-Jun
- 2022: Tampa Tarpons, Florida State League (Low-A) - 1 game 23-Apr
- Yulian Milan (infielder, b. 1985, Cuba)
- 2017: Cuban National Team, Can-Am League (independent) - 1 game 22-Jun
- Brett Milazzo (outfielder, b. 1995, Illinois)
- 2021: Schaumburg Boomers, Frontier League (independent) - 1 game 2-Jul
- 2022: Schaumburg Boomers, Frontier League (independent) - 1 game 5-Jul
- 2023: Schaumburg Boomers, Frontier League (independent) - 1 game 14-Jul
- Larry Milbourne (infielder, b. 1951, New Jersey)
- 1983: Philadelphia Phillies, National League (MLB) - 1 game 5-Apr
- Jordan Milbrath (pitcher, b. 1991, Minnesota)
- 2014: Lake County Captains, Midwest League (Low-A) - 1 game 28-Aug
- Adam Milburn (pitcher, b. 1974, Kentucky)
- 1999: Greenville Braves, Southern League (AA) - 1 game 12-Aug
- Matt Milburn (pitcher, b. 1993, Texas)
- 2018: Stockton Ports, California League (High-A) - 1 game 16-Aug
- Mike Milchin (pitcher, b. 1968, Tennessee)
- 1996: Baltimore Orioles, American League (MLB) - 1 game 19-Sep g1
- Aaron Miles (infielder, b. 1976, California)
- 2006: St. Louis Cardinals, Major League Baseball - 1 game 4-Aug
- Wade Miley (pitcher, b. 1986, Louisiana)
- 2016: Baltimore Orioles, Major League Baseball - 1 game 1-Oct
- Sam Militello (pitcher, b. 1969, Florida)
- 1992: New York Yankees, American League (MLB) - 1 game 15-Aug
- Adan Millan (catcher/first base, b. 1972, California)
- 1997: Reading Phillies, Eastern League (AA) - 2 games 29-Jun 20-Jul
- 1999: Lehigh Valley Black Diamonds, Atlantic League (independent) - 2 games 31-May 6-Sep g1
- Albert Millan (catcher, b. 2005, Venezuela)
- 2022: FCL Blue Jays, Florida Complex League (rookie) - 2 games 16-Jun 29-Jul g1
- Bernie Millan (infielder, b. 1970, Puerto Rico)
- 1994: Stockton Ports, California League (High-A) - 1 game 2-Sep
- Felix Millan (infielder, b. 1943, Puerto Rico)
- 1974: New York Mets, National League (MLB) - 1 game 10-Jul
- 1975: New York Mets, National League (MLB) - 1 game 3-Jul
- 1976: New York Mets, National League (MLB) - 1 game 14-Aug
- 1977: New York Mets, National League (MLB) - 1 game 12-Jul
- Kevin Millar (first base/outfield, b. 1971, California)
- 1996: Portland Sea Dogs, Eastern League (AA) - 1 game 5-Apr
- 1997: Portland Sea Dogs, Eastern League (AA) - 1 game 19-Aug
- 2001: Florida Marlins, Major League Baseball - 2 games 31-Jul 31-Aug
- 2002: Florida Marlins, Major League Baseball - 2 games 3-Sep g1 3-Sep g2
- 2003: Boston Red Sox, Major League Baseball - 1 game 29-Jun
- 2006: Baltimore Orioles, Major League Baseball - 2 games 30-Jul 27-Sep
- 2007: Baltimore Orioles, Major League Baseball - 2 games 19-Sep 30-Sep
- Tim Millard (infielder, b. 1995, Texas)
- 2018: Burlington Bees, Midwest League (Low-A) - 1 game 5-Aug
- Jose Millares (infielder, b. 1968)
- 1993: Frederick Keys, Carolina League (High-A) - 1 game 8-Aug
- 1994: Bowie Baysox, Eastern League (AA) - 1 game 10-Jul
- Drew Millas (catcher, b. 1998, Missouri)
- 2021: Surprise Saguaros, Arizona Fall League - 1 game 16-Oct
- 2022: Harrisburg Senators, Eastern League (AA) - 1 game 1-Sep
- 2022: Peoria Javelinas, Arizona Fall League - 1 game 13-Oct
- Gar Millay (utility, b. 1965; d. 2011)
- 1990: Oklahoma City 89ers, American Association (AAA) - 1 game 18-Aug
- Lastings Milledge (outfielder, b. 1985, Florida)
- Qualon Millender (outfielder, b. 1987, Alabama)
- A.J. Miller (catcher/first base, b. 1989)
- 2012: Lincoln Saltdogs, American Association (independent) - 1 game 24-Aug
- Adam Miller (catcher, b. 1982, Texas)
- 2008: Shreveport Sports, American Association (independent) - 1 game 12-Aug
- Adam Miller (pitcher, b. 1984, Texas)
- 2014: Akron RubberDucks, Eastern League (AA) - 1 game 3-Aug
- Aidan Miller (infielder, b. 2004, Florida)
- Anderson Miller (outfielder, b. 1994, Kentucky)
- 2017: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 11-Jun
- 2019: Northwest Arkansas Naturals, Texas League (AA) - 2 games 18-Jul 20-Jul
- 2021: Omaha Storm Chasers, Triple-A East - 1 game 8-Aug
- Andrew Miller (pitcher, b. 1985, Florida)
- 2012: Boston Red Sox, Major League Baseball - 1 game 1-Oct
- 2014: Boston Red Sox, Major League Baseball - 1 game 18-Apr
- 2014: Baltimore Orioles, Major League Baseball - 1 game 10-Aug
- 2015: New York Yankees, Major League Baseball - 1 game 12-Sep g1
- 2019: St. Louis Cardinals, Major League Baseball - 1 game 18-Sep
- Andrew Miller (catcher/outfielder, b. 1997, Tennessee)
- 2017: Princeton Rays, Appalachian League (rookie) - 1 game 29-Aug
- Barry Miller (first baseman, b. 1968)
- 1993: Shreveport Captains, Texas League (AA) - 1 game 16-Aug
- Blake Miller (infielder, b. 1990, Oregon)
- 2013: Salem-Keizer Volcanoes, Northwest League (short-season) - 1 game 20-Aug
- Bobby Miller (pitcher, b. 1999, Illinois)
- 2021: Glendale Desert Dogs, Arizona Fall League - 1 game 21-Oct
- Brad Miller (infielder, b. 1985, Oklahoma)
- 2006: Helena Brewers, Pioneer League (rookie) - 1 game 25-Aug
- Brad Miller (infielder, b. 1989, Florida)
- 2013: Seattle Mariners, Major League Baseball - 1 game 23-Aug
- 2014: Seattle Mariners, Major League Baseball - 1 game 18-Aug
- 2016: Tampa Bay Rays, Major League Baseball - 2 games 13-Aug 25-Aug
- 2017: Tampa Bay Rays, Major League Baseball - 1 game 24-Sep
- 2018: Tampa Bay Rays, Major League Baseball - 3 games 29-Mar 31-Mar 13-May
- 2019: Philadelphia Phillies, Major League Baseball - 2 games 26-Sep 27-Sep
- 2021: Philadelphia Phillies, Major League Baseball - 4 games 15-May 29-May 9-Sep 28-Sep
- Brent Miller (first baseman, b. 1970)
- 1993: Bowie Baysox, Eastern League (AA) - 1 game 9-Aug
- Brian Miller (outfielder, b. 1995, North Carolina)
- 2017: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 24-Aug
- 2018: Jacksonville Jumbo Shrimp, Southern League (AA) - 1 game 27-Aug
- 2018: Salt River Rafters, Arizona Fall League - 5 games 6-Nov 9-Nov 10-Nov 12-Nov 15-Nov
- 2019: Jacksonville Jumbo Shrimp, Southern League (AA) - 1 game 10-Aug
- 2021: Jacksonville Jumbo Shrimp, Triple-A East - 2 games 11-Aug 23-Sep
- 2022: Jacksonville Jumbo Shrimp, International League (AAA) - 2 games 30-Aug 22-Sep
- 2023: Jacksonville Jumbo Shrimp, International League (AAA) - 1 game 23-Sep
- Bryce Miller (pitcher, b. 1998, Texas)
- 2023: Seattle Mariners, Major League Baseball - 1 game 10-Sep
- Chris Miller (catcher, b. 1980, California)
- 2002: Boise Hawks, Northwest League (short-season) - 1 game 12-Aug
- 2003: Daytona Cubs, Florida State League (High-A) - 1 game 26-Aug
- Corky Miller (catcher, b. 1976, California)
- 2001: Louisville RiverBats, International League (AAA) - 1 game 1-Aug
- 2013: Louisville Bats, International League (AAA) - 1 game 30-Aug
- Damian Miller (catcher, b. 1969, Wisconsin)
- 1993: Fort Myers Miracle, Florida State League (High-A) - 1 game 12-Aug
- 1998: Arizona Diamondbacks, National League (MLB) - 1 game 6-Sep
- 2005: Milwaukee Brewers, Major League Baseball - 1 game 3-Aug
- 2006: Milwaukee Brewers, Major League Baseball - 2 games 16-Apr 4-Aug
- Danny Miller (pitcher, b. 1979, Maryland)
- 2003: Bangor Lumberjacks, Northern League (independent) - 1 game
- Darrien Miller (catcher, b. 2001, Arizona)
- 2021: Carolina Mudcats, Low-A East - 1 game 5-Sep
- Dave Miller (pitcher, b. 1966)
- 1992: Rochester Red Wings, International League (AAA) - 1 game 8-Aug
- David Miller (outfielder, b. 1973, Pennsylvania)
- Dean Miller (outfielder, b. 1997, California)
- Drew Miller (outfielder, b. 1980, Alberta)
- 2003: Richmond Roosters, Frontier League (independent) - 1 game 26-Jul
- 2005: Calgary Vipers, Northern League (independent) - 2 games 9-Aug 12-Aug
- 2008: Calgary Vipers, Golden League (independent) - 1 game 27-Jul
- 2013: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 11-Aug
- 2014: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 26-Jul
- Drew Miller (pitcher, b. 1986, Oklahoma)
- 2006: Eugene Emeralds, Northwest League (short-season) - 1 game 22-Aug
- 2008: Lake Elsinore Storm, California League (High-A) - 1 game 2-Aug
- Erik Miller (outfielder, b. 1987, California)
- 2009: Wisconsin Timber Rattlers, Midwest League (Low-A) - 1 game 29-Jul
- Erik Miller (pitcher, b. 1998, Missouri)
- 2024: San Francisco Giants, Major League Baseball - 1 game 18-Sep
- Evan Miller (pitcher, b. 1995, Indiana)
- 2017: Fort Wayne TinCaps, Midwest League (Low-A) - 1 game 19-Aug
- 2019: Amarillo Sod Poodles, Texas League (AA) - 1 game 25-Jul
- Gage Miller (infielder, b. 2003, Pennsylvania)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 2-Aug
- Gerald Miller (outfielder, b. 1982)
- 2005: Richmond Roosters, Frontier League (independent) - 1 game 6-Aug
- Graham Miller (pitcher, b. 1986, California)
- 2009: Ogden Raptors, Pioneer League (rookie) - 1 game 17-Aug
- Greg Miller (outfielder, b. 1979, Illinois)
- 2003: Greenville Braves, Southern League (AA) - 1 game 23-Aug
- Greg Miller (pitcher, b. 1984, California)
- 2002: Great Falls Dodgers, Pioneer League (rookie) - 1 game 14-Aug
- Ian Miller (outfielder, b. 1992, Pennsylvania)
- 2015: Jackson Generals, Southern League (AA) - 2 games 25-Jul 29-Jul
- 2017: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 6-Aug
- 2018: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 9-Aug
- 2018: Peoria Javelinas, Arizona Fall League - 5 games 5-Nov 9-Nov 10-Nov 14-Nov 17-Nov
- Jacob Miller (pitcher, b. 2003, Ohio)
- 2023: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 20-Sep
- Jai Miller (outfielder, b. 1985, Alabama)
- 2005: Greensboro Grasshoppers, South Atlantic League (Low-A) - 2 games 9-Jul 27-Aug
- 2007: Carolina Mudcats, Southern League (AA) - 1 game 3-Sep
- Jake Miller (infielder, b. 1990, Texas)
- 2013: Missoula Osprey, Pioneer League (rookie) - 1 game 19-Aug
- Jake Miller (pitcher, b. 2001, New York)
- 2022: Lakeland Flying Tigers, Florida State League (Low-A) - 1 game 3-Sep g1
- 2023: Lakeland Flying Tigers, Florida State League (Low-A) - 4 games 5-May 17-May 30-Jul 6-Aug
- 2024: Lakeland Flying Tigers, Florida State League (Low-A) - 2 games 2-May 29-May
- 2024: Scottsdale Scorpions, Arizona Fall League - 1 game 12-Oct
- Jalen Miller (infielder, b. 1996, Georgia)
- 2017: San Jose Giants, California League (High-A) - 1 game 1-Aug
- 2022: Mississippi Braves, Southern League (AA) - 1 game 4-Aug
- Jared Miller (pitcher, b. 1993, Ohio)
- 2016: Salt River Rafters, Arizona Fall League - 2 games 11-Oct 14-Oct
- Jarrett Miller (pitcher, b. 1989, South Carolina)
- 2011: Rome Braves, South Atlantic League (Low-A) - 1 game 6-Aug
- Jason Miller (pitcher, b. 1982, Florida)
- 2003: Fort Myers Miracle, Florida State League (High-A) - 1 game 31-Aug g2
- 2004: New Britain Rock Cats, Eastern League (AA) - 1 game 21-Jun
- Jay Miller (outfielder, b. 1983, Washington)
- 2007: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 5-Apr
- 2008: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 18-Aug
- Jayson Miller (pitcher, b. 1985, Washington)
- 2010: New Jersey Jackals, Can-Am League (independent) - 1 game 13-Aug g2
- Jeff Miller (pitcher, b. 1980, New Jersey)
- 2002: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 26-Aug
- Jeff Miller (first base/outfield, b. 1984)
- 2008: River City Rascals, Frontier League (independent) - 1 game 16-Aug
- Jim Miller (pitcher, b. 1982, New Jersey)
- 2009: Norfolk Tides, International League (AAA) - 1 game 5-Jul
- 2012: Oakland Athletics, Major League Baseball - 1 game 22-Sep
- 2016: Somerset Patriots, Atlantic League (independent) - 1 game 31-Jul g2
- Joe Miller (pitcher, b. 1970, New Jersey)
- 1998: St. Paul Saints, Northern League (independent) - 1 game 18-Aug
- Joe Miller (pitcher, b. 2000, Pennsylvania)
- 2023: Lakeland Flying Tigers, Florida State League (Low-A) - 2 games 3-Aug 14-Sep
- 2024: Lakeland Flying Tigers, Florida State League (Low-A) - 1 game 5-Apr
- Josh Miller (pitcher, b. 1979, Florida)
- 2003: Reading Phillies, Eastern League (AA) - 1 game 27-Jun
- 2009: Somerset Patriots, Atlantic League (independent) - 1 game 26-Sep
- 2010: Somerset Patriots, Atlantic League (independent) - 2 games 14-Aug 24-Sep
- Josh Miller (infielder, b. 1992)
- 2014: Traverse City Beach Bums, Frontier League (independent) - 1 game 27-Aug
- Justin Miller (pitcher, b. 1977, California; d. 2013, Florida)
- 2001: Sacramento RiverCats, Pacific Coast League (AAA) - 1 game 3-Aug
- 2008: Florida Marlins, Major League Baseball - 1 game 8-Aug
- Justin Miller (pitcher, b. 1987, California)
- 2018: Washington Nationals, Major League Baseball - 1 game 4-Jul
- Keith Miller (utility, b. 1963, Michigan)
- 1990: New York Mets, National League (MLB) - 1 game 9-Sep
- 1991: New York Mets, National League (MLB) - 2 games 6-Sep 29-Sep
- 1992: Kansas City Royals, American League (MLB) - 1 game 13-Sep
- Kenny Miller (infielder, b. 1976, Illinois)
- 1997: Pittsfield Mets, New York-Penn League (short-season) - 1 game 25-Jul
- 1998: Pittsfield Mets, New York-Penn League (short-season) - 1 game 30-Jul
- Kurt Miller (pitcher, b. 1972, Arizona)
- 1995: Charlotte Knights, International League (AAA) - 1 game 5-Aug
- 1996: Florida Marlins, National League (MLB) - 1 game 9-Sep
- 1997: Florida Marlins, National League (MLB) - 1 game 27-Sep
- Luke Miller (infielder, b. 1996, Indiana)
- Mason Miller (pitcher, b. 1998, Pennsylvania)
- 2024: Oakland Athletics, Major League Baseball - 1 game 30-May
- Matt Miller (pitcher, b. 1974, Texas)
- 1998: Jacksonville Suns, Southern League (AA) - 1 game 27-Aug
- Matt Miller (outfielder, b. 1982, Texas)
- 2009: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 22-Aug
- 2011: Reading Phillies, Eastern League (AA) - 1 game 5-May
- Mike Miller (pitcher, b. 1967)
- 1987: Little Falls Mets, New York-Penn League (short-season) - 1 game 13-Aug
- Mike Miller (infielder, b. 1989, California)
- 2012: Lowell Spinners, New York-Penn League (short-season) - 1 game 25-Aug
- 2018: Pawtucket Red Sox, International League (AAA) - 3 games 27-May 14-Jun 31-Jul
- Mitchell Miller (pitcher, b. 1997, Georgia)
- 2021: Ogden Raptors, Pioneer League (independent) - 1 game 9-Jul
- 2022: Bradenton Marauders, Florida State League (Low-A) - 2 games 22-Jul 10-Aug
- 2023: Greensboro Grasshoppers, South Atlantic League (High-A) - 1 game 10-May
- Noah Miller (infielder, b. 2002, Wisconsin)
- Orlando Miller (infielder, b. 1969, Panama)
- 1997: Detroit Tigers, American League (MLB) - 1 game 4-Jul g1
- 1998: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 28-Aug
- 2000: San Antonio Missions, Texas League (AA) - 1 game 23-Aug
- 2005: Nashua Pride, Atlantic League (independent) - 3 games 2-Jul 20-Sep g1 1-Oct
- 2006: Newark Bears, Atlantic League (independent) - 2 games 15-Jul 16-Jul
- 2008: Edmonton Cracker-Cats, Golden League (independent) - 1 game 26-Jul
- Owen Miller (infielder, b. 1996, Wisconsin)
- 2019: Amarillo Sod Poodles, Texas League (AA) - 2 games 20-Jul 25-Jul
- 2019: Peoria Javelinas, Arizona Fall League - 2 games 16-Oct 19-Oct
- 2022: Cleveland Guardians, Major League Baseball - 1 game 30-Jul
- Pat Miller (pitcher, b. 1968, Michigan)
- 1993: Binghamton Mets, Eastern League (AA) - 2 games 29-Aug 5-Sep
- Ryan Miller (infielder, b. 1972, California)
- 2000: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 19-Aug
- Ryan Miller (pitcher, b. 1996, Florida)
- 2021: Southern Illinois Miners, Frontier League (independent) - 1 game 2-Jul
- Sean Miller (infielder, b. 1994, Maryland)
- 2015: Cedar Rapids Kernels, Midwest League (Low-A) - 2 games 29-Aug g2 2-Sep
- Shelby Miller (pitcher, b. 1990, Texas)
- 2011: Springfield Cardinals, Texas League (AA) - 1 game 2-Sep
- 2024: Detroit Tigers, Major League Baseball - 2 games 22-Apr 17-Jun
- Simon Miller (pitcher, b. 2000, Texas)
- 2024: Daytona Tortugas, Florida State League (Low-A) - 2 games 16-May g2 18-May
- Travis Miller (pitcher, b. 1972, Ohio)
- 1995: Hardware City Rock Cats, Eastern League (AA) - 1 game 4-Jul
- 2002: Buffalo Bisons, International League (AAA) - 1 game 1-Sep
- Tyler Miller (utility, b. 1999, Alabama)
- 2021: FCL Red Sox, Florida Complex League (rookie) - 1 game 23-Aug g1
- 2022: Salem Red Sox, Carolina League (Low-A) - 2 games 23-Jun 2-Sep
- Tyson Miller (pitcher, b. 1995, California)
- 2022: Round Rock Express, Pacific Coast League (AAA) - 1 game 3-Aug
- 2024: Chicago Cubs, Major League Baseball - 1 game 28-Sep
- Lyle Miller-Green (first base/outfield, b. 2000, Russia)
- Joe Millette (infielder, b. 1966, California)
- 1993: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 4-Sep
- 1994: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 31-Aug
- Ralph Milliard (infielder, b. 1973, Curacao)
- 1997: Portland Sea Dogs, Eastern League (AA) - 1 game 19-Aug
- 1998: New York Mets, National League (MLB) - 1 game 23-Sep
- Kevin Millican (catcher, b. 1972)
- 1994: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 19-Jun 26-Jul
- Adam Milligan (outfielder, b. 1988, Tennessee)
- 2009: Rome Braves, South Atlantic League (Low-A) - 1 game 3-Jul
- Cody Milligan (utility, b. 1998, Colorado)
- 2022: Mississippi Braves, Southern League (AA) - 1 game 4-Aug
- 2023: FCL Braves, Florida Complex League (rookie) - 1 game 8-Jul
- Lane Milligan (catcher/outfielder, b. 1995, Colorado)
- 2018: Lowell Spinners, New York-Penn League (short-season) - 1 game 31-Jul
- Randy Milligan (first baseman, b. 1961, California)
- 1992: Baltimore Orioles, American League (MLB) - 1 game 21-Aug
- 1993: Cleveland Indians, American League (MLB) - 1 game 4-Sep
- Bryan Millikan (pitcher, b. 1983, Oregon)
- 2006: Augusta Greenjackets, South Atlantic League (Low-A) - 1 game 15-Sep
- Doug Million (pitcher, b. 1975, Kentucky)
- 1997: Salem Avalanche, Carolina League (High-A) - 1 game 16-Aug
- Adam Mills (pitcher, b. 1984, Maryland)
- 2010: Pawtucket Red Sox, International League (AAA) - 1 game 29-May
- Alan Mills (pitcher, b. 1966, Florida)
- 1992: Baltimore Orioles, American League (MLB) - 1 game 21-Aug
- 1996: Baltimore Orioles, American League (MLB) - 3 games 13-Jul g2 18-Sep 19-Sep g2
- 1997: Baltimore Orioles, American League (MLB) - 1 game 4-Jul g2
- Alec Mills (pitcher, b. 1991, Tennessee)
- 2018: Iowa Cubs, Pacific Coast League (AAA) - 1 game 6-Aug
- Beau Mills (infielder, b. 1986, California)
- 2009: Akron Aeros, Eastern League (AA) - 1 game 29-Jul
- 2011: Columbus Clippers, International League (AAA) - 1 game 16-Sep
- 2012: Pensacola Blue Wahoos, Southern League (AA) - 1 game 12-Aug
- Jordan Mills (pitcher, b. 1992, California)
- 2016: Quebec Les Capitales, Can-Am League (independent) - 1 game 17-Aug g1
- 2018: Salt River Rafters, Arizona Fall League - 3 games 6-Nov 10-Nov 17-Nov
- McKenzie Mills (pitcher, b. 1995, Georgia)
- 2019: Jacksonville Jumbo Shrimp, Southern League (AA) - 1 game 10-Aug
- Patrick Mills (utility, b. 2000, Indiana)
- 2024: Billings Mustangs, Pioneer League (independent) - 1 game 5-Jul g1
- Ross (Rock) Mills (catcher, b. 1980, Ohio)
- 2002: Casper Rockies, Pioneer League (rookie) - 1 game 10-Aug
- Wyatt Mills (pitcher, b. 1995, Washington)
- 2018: Peoria Javelinas, Arizona Fall League - 2 games 12-Nov 17-Nov
- Daniel Millwee (catcher, b. 1995, North Carolina)
- 2021: Kannapolis Cannon Ballers, Low-A East - 1 game 17-Jun
- Kevin Millwood (pitcher, b. 1974, North Carolina)
- 1997: Atlanta Braves, National League (MLB) - 1 game 28-Sep
- 2000: Atlanta Braves, Major League Baseball - 1 game 9-Jul
- 2002: Atlanta Braves, Major League Baseball - 1 game 29-Jun
- 2003: Philadelphia Phillies, Major League Baseball - 1 game 28-Sep
- 2004: Philadelphia Phillies, Major League Baseball - 1 game 17-Jun
- 2011: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 23-Apr g1
- Gus Milner (outfielder, b. 1984, Kansas)
- 2007: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 5-Apr 30-Aug
- 2009: Reading Phillies, Eastern League (AA) - 1 game 11-Apr
- 2010: Sioux Falls Pheasants, American Association (independent) - 1 game 24-Aug g2
- Hoby Milner (pitcher, b. 1991, Texas)
- 2016: Reading Fightin Phils, Eastern League (AA) - 1 game 10-Sep
- 2017: Philadelphia Phillies, Major League Baseball - 1 game 1-Oct
- 2018: Lehigh Valley IronPigs, International League (AAA) - 1 game 17-May
- 2018: Durham Bulls, International League (AAA) - 1 game 18-Sep
- 2019: Tampa Bay Rays, Major League Baseball - 1 game 3-Sep g1
- 2024: Milwaukee Brewers, Major League Baseball - 2 games 24-Sep 27-Sep
- John Milner (first base/outfield, b. 1949, Georgia; d. 2000, Georgia)
- 1972: New York Mets, National League (MLB) - 2 games 25-Jun g1 25-Jun g2
- 1974: New York Mets, National League (MLB) - 1 game 10-Jul
- 1975: New York Mets, National League (MLB) - 1 game 3-Jul
- 1976: New York Mets, National League (MLB) - 1 game 14-Aug
- Justin Milo (outfielder, b. 1987)
- 2009: Staten Island Yankees, New York-Penn League (short-season) - 1 game 9-Sep
- Thomas Milone (outfielder, b. 1995, Connecticut)
- 2019: Charlotte Stone Crabs, Florida State League (High-A) - 2 games 17-May 18-May
- 2019: Montgomery Biscuits, Southern League (AA) - 1 game 27-Jul
- Tommy Milone (pitcher, b. 1987, California)
- 2011: Syracuse Chiefs, International League (AAA) - 1 game 23-Apr g1
- 2021: Toronto Blue Jays, Major League Baseball - 2 games 10-Apr 1-May
- Jereme Milons (outfielder, b. 1983, Mississippi)
- 2008: Ottawa Rapidz, Can-Am League (independent) - 1 game 3-Aug
- Dave Milstien (infielder, b. 1968)
- 1990: New Britain Red Sox, Eastern League (AA) - 1 game 11-Aug
- Eric Milton (pitcher, b. 1975, Pennsylvania)
- 2004: Philadelphia Phillies, Major League Baseball - 1 game 11-Sep
- Prinz Milton (outfielder, b. 1979, California)
- 1999: Danville Braves, Appalachian League (rookie) - 1 game 7-Aug g2
- Brian Mims (infielder, b. 1996, Virginia)
- Juan Minaya (pitcher, b. 1990, Dominican Republic)
- 2018: Chicago White Sox, Major League Baseball - 1 game 20-Sep
- 2019: Charlotte Knights, International League (AAA) - 1 game 1-May
- Cody Mincey (pitcher, b. 1992, South Carolina)
- 2019: Long Island Ducks, Atlantic League (independent) - 1 game 14-Jul
- T.W. Mincey (pitcher, b. 1980, Georgia)
- 2002: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 25-Jul
- Jordan Minch (pitcher, b. 1993, Indiana)
- 2019: Mesa Solar Sox, Arizona Fall League - 1 game 18-Oct
- Nate Minchey (pitcher, b. 1969, Texas)
- 1991: Durham Bulls, Carolina League (High-A) - 1 game 15-Aug
- Lincoln Mincks (pitcher, b. 1981, Iowa)
- 2005: Grays, Can-Am League (independent) - 1 game 5-Aug
- 2006: Sussex Skyhawks, Can-Am League (independent) - 1 game 9-Jul
- Wes Mindingall (pitcher, b. 1981, Louisiana)
- 2005: Windy City Thunderbolts, Frontier League (independent) - 1 game 29-Jul
- Alberto Mineo (catcher, b. 1994, Italy)
- 2014: AZL Cubs, Arizona League (rookie) - 1 game 20-Jul
- Tony Miner (infielder, b. 1975, Maine)
- 1997: Watertown Indians, New York-Penn League (short-season) - 1 game 25-Jul
- Zach Miner (pitcher, b. 1982, Missouri)
- 2009: Detroit Tigers, Major League Baseball - 1 game 26-Jul
- Mike Minerva (pitcher, b. 1980, Massachusetts)
- 2002: Berkshire Black Bears, Northeast League (independent) - 1 game 28-Jun g2
- Tyler Minges (outfielder, b. 1979, Ohio)
- 2003: Akron Aeros, Eastern League (AA) - 1 game 10-Sep
- 2005: Springfield Cardinals, Texas League (AA) - 1 game 14-Aug
- Cameron Mingo (pitcher, b. 1993, Minnesota)
- 2018: Mahoning Valley Scrappers, New York-Penn League (short-season) - 1 game 2-Aug
- Mark Minicozzi (infielder, b. 1983, Pennsylvania)
- Braylin Minier (infielder, b. 2003, Dominican Republic)
- Travis Minix (pitcher, b. 1977, Indiana)
- 1999: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 1-Sep
- 2005: Reading Phillies, Eastern League (AA) - 1 game 27-Jul
- 2008: Reading Phillies, Eastern League (AA) - 1 game 4-Aug
- 2009: Somerset Patriots, Atlantic League (independent) - 3 games 25-Sep 26-Sep 1-Oct
- Felix Minjarez (pitcher, b. 1996, California)
- 2019: Tri-City Dust Devils, Northwest League (short-season) - 1 game 5-Jul
- Colt Mink (pitcher, b. 1998, Ohio)
- 2021: Ogden Raptors, Pioneer League (independent) - 1 game 9-Jul
- Matt Minnick (pitcher, b. 1996, New York)
- 2022: Somerset Patriots, Eastern League (AA) - 1 game 4-May
- 2023: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 26-Sep
- Blas Minor (pitcher, b. 1966, California)
- 1995: New York Mets, National League (MLB) - 1 game 10-Sep
- Damon Minor (first baseman, b. 1974, Ohio)
- 1997: Bakersfield Blaze, California League (High-A) - 1 game 28-Aug
- 2000: San Francisco Giants, Major League Baseball - 1 game 2-Sep
- 2003: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 15-Aug
- 2004: Fresno Grizzlies, Pacific Coast League (AAA) - 3 games 10-Aug g1 10-Aug g2 21-Aug
- Mike Minor (pitcher, b. 1987, Tennessee)
- 2011: Atlanta Braves, Major League Baseball - 1 game 8-Sep g1
- 2012: Atlanta Braves, Major League Baseball - 2 games 8-Apr 13-Aug
- 2014: Atlanta Braves, Major League Baseball - 1 game 22-Aug
- 2019: Texas Rangers, Major League Baseball - 1 game 19-Jul
- Ryan Minor (infielder, b. 1974, Ohio)
- Tommy Minor (pitcher, b. 1972)
- 1994: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 26-Jun 26-Jul
- Zach Minor (pitcher, b. 1979, California)
- 2003: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 6-May 5-Jul
- 2003: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 16-Aug
- Maykel Minoso (catcher/first base, b. 2005, Cuba)
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 3 games 17-Apr 20-Apr 1-May
- 2024: FCL Blue Jays, Florida Complex League (rookie) - 2 games 7-Jun 24-Jun g1
- A.J. Minter (pitcher, b. 1993, Texas)
- 2018: Atlanta Braves, Major League Baseball - 1 game 28-Aug
- 2019: Gwinnett Stripers, International League (AAA) - 1 game 27-May
- 2020: Atlanta Braves, Major League Baseball - 1 game 13-Oct
- 2021: Atlanta Braves, Major League Baseball - 1 game 1-May
- 2023: Atlanta Braves, Major League Baseball - 1 game 7-Jun
- Korby Mintken (infielder, b. 1986, Nebraska)
- 2009: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 6-Aug
- Hayden Minton (pitcher, b. 2001, Oklahoma)
- 2023: FCL Tigers, Florida Complex League (rookie) - 1 game 19-Aug
- 2024: Lakeland Flying Tigers, Florida State League (Low-A) - 3 games 5-Apr 2-May 30-May
- Steve Mintz (pitcher, b. 1968, North Carolina)
- 1995: Phoenix Firebirds, Pacific Coast League (AAA) - 1 game 13-Aug
- 1998: Nashville Sounds, Pacific Coast League (AAA) - 1 game 26-Aug
- 1999: Erie SeaWolves, Eastern League (AA) - 1 game 10-Apr g2
- Jon Minucci (outfielder, b. 1990)
- 2015: Sussex County Miners, Can-Am League (independent) - 1 game 6-Aug
- Freylin Minyety (infielder, b. 1999, Dominican Republic)
- Carlos Mirabal (pitcher, b. 1973, New Jersey)
- 2006: Newark Bears, Atlantic League (independent) - 2 games 1-Aug 10-Sep
- 2007: Newark Bears, Atlantic League (independent) - 1 game 3-Aug
- 2008: Newark Bears, Atlantic League (independent) - 1 game 19-Jun
- 2015: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 15-Aug
- Paul Mirabella (pitcher, b. 1954, New Jersey)
- 1990: Milwaukee Brewers, American League (MLB) - 1 game 15-Aug
- Angel Miranda (pitcher, b. 1969, Puerto Rico)
- 1995: Milwaukee Brewers, American League (MLB) - 1 game 16-Aug
- 1997: Buffalo Bisons, American Association (AAA) - 1 game 9-Aug g1
- 1998: Atlantic City Surf, Atlantic League (independent) - 1 game 5-Jul
- 1999: Lehigh Valley Black Diamonds, Atlantic League (independent) - 2 games 31-May 6-Sep g1
- 2001: Lehigh Valley Black Diamonds, Atlantic League (independent) - 1 game 15-Aug
- 2001: Nashua Pride, Atlantic League (independent) - 1 game 22-Sep
- 2005: Bridgeport Bluefish, Atlantic League (independent) - 1 game 15-Jun
- Bryan Miranda (outfielder, b. 1997, Puerto Rico)
- David Miranda (outfielder, b. 1995, California)
- 2018: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 1-Jul
- 2018: Columbia Fireflies, South Atlantic League (Low-A) - 2 games 30-Aug 31-Aug
- Jose Miranda (infielder, b. 1998, Puerto Rico)
- 2016: GCL Twins, Gulf Coast League (rookie) - 1 game 27-Aug
- 2017: Elizabethton Twins, Appalachian League (rookie) - 2 games 25-Aug 26-Aug
- 2019: Fort Myers Miracle, Florida State League (High-A) - 7 games 12-Apr 13-Apr 15-Apr 24-Apr 20-Aug 28-Aug g1 28-Aug g2
- 2022: Minnesota Twins, Major League Baseball - 2 games 5-May 1-Oct
- 2023: St. Paul Saints, International League (AAA) - 1 game 29-Jun
- 2023: Minnesota Twins, Major League Baseball - 1 game 4-Apr
- 2024: Minnesota Twins, Major League Baseball - 2 games 2-Sep 5-Sep
- Juan Miranda (first baseman, b. 1983, Cuba)
- 2008: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 7-Sep
- 2009: Scranton/Wilkes-Barre Yankees, International League (AAA) - 4 games 12-Apr 27-Jul 12-Sep 17-Sep
- 2009: New York Yankees, Major League Baseball - 1 game 28-Sep
- 2011: Arizona Diamondbacks, Major League Baseball - 1 game 24-Apr
- Juan Miranda (pitcher, b. 1999, Dominican Republic)
- Kevin Miranda (pitcher, b. 1998, Panama)
- 2023: Dunedin Blue Jays, Florida State League (Low-A) - 1 game 12-May
- Samuel Miranda (catcher, b. 1997, Venezuela)
- 2016: GCL Red Sox, Gulf Coast League (rookie) - 1 game 27-Aug
- Sergio Miranda (infielder, b. 1987, Virginia)
- 2015: Sussex County Miners, Can-Am League (independent) - 2 games 15-Jul 6-Aug
- Tony Miranda (outfielder, b. 1973, California)
- 1996: Lansing Lugnuts, Midwest League (Low-A) - 1 game 13-Aug
- Marc Mirizzi (infielder, b. 1975, California)
- 1998: Greensboro Bats, South Atlantic League (Low-A) - 1 game 29-Aug
- Pat Misch (pitcher, b. 1981, Illinois)
- 2006: Connecticut Defenders, Eastern League (AA) - 1 game 13-Apr
- 2009: New York Mets, Major League Baseball - 1 game 21-Sep
- 2010: New York Mets, Major League Baseball - 4 games 4-Sep 15-Sep 19-Sep 3-Oct
- Anthony Misiewicz (pitcher, b. 1994, Michigan)
- 2018: Peoria Javelinas, Arizona Fall League - 2 games 9-Nov 17-Nov
- 2021: Seattle Mariners, Major League Baseball - 3 games 11-Jul 18-Jul 4-Aug
- 2022: Seattle Mariners, Major League Baseball - 1 game 28-Apr
- 2024: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 1 game 21-Sep
- Kameron Misner (outfielder, b. 1998, Missouri)
- 2021: Mesa Solar Sox, Arizona Fall League - 1 game 18-Oct
- 2023: Durham Bulls, International League (AAA) - 2 games 9-May 6-Jun
- 2024: Tampa Bay Rays, Major League Baseball - 1 game 12-Aug
- Craig Missigman (pitcher, b. 1993, North Carolina)
- 2015: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 19-Aug
- 2016: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 2-Jul
- Mike Misuraca (pitcher, b. 1968, California)
- 1994: Salt Lake Buzz, Pacific Coast League (AAA) - 1 game 10-Sep
- 1995: Salt Lake Buzz, Pacific Coast League (AAA) - 1 game 15-Aug
- Andy Mitchell (pitcher, b. 1978, Georgia)
- 2003: Frederick Keys, Carolina League (High-A) - 1 game 5-Apr
- 2009: Norfolk Tides, International League (AAA) - 1 game 5-Jul
- 2010: Norfolk Tides, International League (AAA) - 1 game 29-May
- Ben Mitchell (pitcher, b. 1979, California)
- 2002: Salem-Keizer Volcanoes, Northwest League (short-season) - 1 game 11-Aug
- Blake Mitchell (catcher, b. 2004, Texas)
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g1
- Bryan Mitchell (pitcher, b. 1991, North Carolina)
- 2011: Staten Island Yankees, New York-Penn League (short-season) - 2 games 31-Aug 9-Sep
- 2014: Trenton Thunder, Eastern League (AA) - 1 game 3-Apr
- 2015: New York Yankees, Major League Baseball - 1 game 12-Sep g1
- 2016: New York Yankees, Major League Baseball - 1 game 28-Sep
- 2017: New York Yankees, Major League Baseball - 1 game 16-Apr
- 2018: Lake Elsinore Storm, California League (High-A) - 2 games 12-Aug 17-Aug
- 2019: El Paso Chihuahuas, Pacific Coast League (AAA) - 1 game 12-Jul
- Cal Mitchell (outfielder, b. 1999, California)
- Chris Mitchell (pitcher, b. 1974, Pennsylvania)
- 1996: Jamestown Jammers, New York-Penn League (short-season) - 1 game 16-Aug
- 1998: Adirondack Lumberjacks, Northeast League (independent) - 1 game 19-Jul
- Courtney Mitchell (pitcher, b. 1972, Louisiana)
- 1996: Batavia Clippers, New York-Penn League (short-season) - 1 game 16-Aug
- D.J. Mitchell (pitcher, b. 1987, North Carolina)
- 2011: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 23-Apr g2
- Dalton Mitchell (outfielder, b. 1995, Illinois)
- 2019: Roswell Invaders, Pecos League (independent) - 1 game 9-Jul
- Dean Mitchell (pitcher, b. 1974, Texas)
- 1997: Savannah Sand Gnats, South Atlantic League (Low-A) - 1 game 12-Aug g2
- Derek Mitchell (infielder, b. 1975, Illinois)
- 1998: Jacksonville Suns, Southern League (AA) - 1 game 27-Aug
- 2000: Jacksonville Suns, Southern League (AA) - 1 game
- Derrick Mitchell (outfielder, b. 1987, Michigan)
- 2008: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 3-Apr 18-Aug
- 2011: Reading Phillies, Eastern League (AA) - 2 games 5-May 10-Sep
- 2013: Reading Fightin Phils, Eastern League (AA) - 1 game 27-May
- 2013: Lehigh Valley IronPigs, International League (AAA) - 1 game 2-Sep
- Donovan Mitchell (utility, b. 1969, New York)
- 1993: Asheville Tourists, South Atlantic League (Low-A) - 1 game 19-Aug
- Evan Mitchell (pitcher, b. 1992, Georgia)
- 2014: Dayton Dragons, Midwest League (Low-A) - 1 game 30-Aug
- 2016: Peoria Javelinas, Arizona Fall League - 2 games 11-Oct 14-Oct
- 2017: Louisville Bats, International League (AAA) - 1 game 20-Aug
- Garrett Mitchell (outfielder, b. 1998, California)
- 2022: Biloxi Shuckers, Southern League (AA) - 1 game 15-Jul
- 2023: Nashville Sounds, International League (AAA) - 1 game 23-Sep
- 2023: Milwaukee Brewers, Major League Baseball - 1 game 1-Oct
- 2024: Milwaukee Brewers, Major League Baseball - 2 games 4-Jul 27-Sep
- Jared Mitchell (outfielder, b. 1988, Louisiana)
- 2011: Winston-Salem Dash, Carolina League (High-A) - 1 game 28-May
- 2013: Birmingham Barons, Southern League (AA) - 1 game 20-Jul
- 2014: Charlotte Knights, International League (AAA) - 1 game 25-May
- 2016: New Jersey Jackals, Can-Am League (independent) - 1 game 16-Jun
- 2018: York Revolution, Atlantic League (independent) - 2 games 26-Jul g1 26-Jul g2
- 2019: Sugar Land Skeeters, Atlantic League (independent) - 2 games 3-May 14-Jul
- Jay Mitchell (pitcher, b. 1983, Louisiana)
- 2002: Casper Rockies, Pioneer League (rookie) - 1 game 3-Aug
- Jermaine Mitchell (outfielder, b. 1984, Texas)
- 2007: Kane County Cougars, Midwest League (Low-A) - 1 game 6-Aug
- Keith Mitchell (outfielder, b. 1969, California)
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- 1993: Richmond Braves, International League (AAA) - 1 game 4-Sep
- 1994: Seattle Mariners, American League (MLB) - 2 games 23-Jul g1 23-Jul g2
- 1996: Indianapolis Indians, American Association (AAA) - 1 game 12-Aug
- Kelvin Mitchell (pitcher, b. 1974)
- 2004: Pensacola Pelicans, Central League (independent) - 1 game 3-Jul
- Kevin Mitchell (utility, b. 1962, California)
- 1984: New York Mets, National League (MLB) - 1 game 26-Sep
- 1986: New York Mets, National League (MLB) - 1 game 14-Apr
- 1993: Cincinnati Reds, National League (MLB) - 2 games 18-Aug 24-Aug
- Kevonte Mitchell (outfielder, b. 1995, Missouri)
- 2014: AZL Cubs, Arizona League (rookie) - 1 game 20-Jul
- Larry Mitchell (pitcher, b. 1971, Michigan)
- 1996: Reading Phillies, Eastern League (AA) - 1 game 5-Apr
- Lee Mitchell (infielder, b. 1982, Georgia)
- 2007: Carolina Mudcats, Southern League (AA) - 1 game 3-Sep
- Mike Mitchell (first baseman, b. 1973, California)
- 1994: Oneonta Yankees, New York-Penn League (short-season) - 1 game 26-Jun
- 2000: Arkansas Travelers, Texas League (AA) - 1 game 21-Aug
- Mike Mitchell (outfielder, b. 1985, Virginia)
- 2011: Tulsa Drillers, Texas League (AA) - 1 game 2-Sep
- Nathan Mitchell (pitcher, b. 1980, Texas)
- 2003: Daytona Cubs, Florida State League (High-A) - 2 games 26-Aug 27-Aug
- Nick Mitchell (outfielder, b. 2003, Indiana)
- Rivers Mitchell (outfielder, b. 1972, Washington)
- 1998: Massachusetts Mad Dogs, Northeast League (independent) - 1 game 3-Jul
- Scott Mitchell (pitcher, b. 1973, California)
- 2000: Ottawa Lynx, International League (AAA) - 1 game 23-Jul
- Tevin Mitchell (outfielder, b. 1997, California)
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- Todd Mitchell (infielder, b. 1978, Illinois)
- 1999: Staten Island Yankees, New York-Penn League (short-season) - 1 game 29-Jul
- Tony Mitchell (outfielder, b. 1970, Michigan)
- 1994: Canton-Akron Indians, Eastern League (AA) - 2 games 21-Aug g1 21-Aug g2
- 1996: Toledo Mud Hens, International League (AAA) - 1 game 31-Aug
- 1999: Massachusetts Mad Dogs, Northeast League (independent) - 2 games 20-Jun 17-Jul
- Mike Mitchener (pitcher, b. 1966)
- 1990: South Bend White Sox, Midwest League (Low-A) - 1 game 14-Aug
- Scott Mitchinson (pitcher, b. 1984, Australia)
- 2006: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 26-Apr
- Shingo Mitsumori (pitcher, b. 1982)
- 2006: St. Joe Blacksnakes, American Association (independent) - 1 game 6-Aug
- Casey Mittauer (pitcher, b. 1972)
- 1994: Oneonta Yankees, New York-Penn League (short-season) - 1 game 13-Aug
- George Mitterwald (catcher/first base, b. 1945, California)
- 1975: Chicago Cubs, National League (MLB) - 1 game 3-Jul
- 1977: Chicago Cubs, National League (MLB) - 1 game 12-Jul
- Tyler Mitzel (pitcher, b. 1996, South Dakota)
- 2018: Batavia Muckdogs, New York-Penn League (short-season) - 2 games 29-Jul 2-Aug
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- Greg Mix (pitcher, b. 1971, New Mexico)
- 1996: Portland Sea Dogs, Eastern League (AA) - 1 game 5-Apr
- Kaz Miyakawa (infielder, b. 1969, Japan)
- 2000: Newark Bears, Atlantic League (independent) - 2 games 7-Aug 6-Sep
- Chris Miyake (infielder, b. 1973, California)
- 1999: Adirondack Lumberjacks, Northeast League (independent) - 1 game 18-Jun
- 2001: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 1-Sep
- Kazuaki Miyazaki (utility, b. 1975, Japan)
- 1999: Adirondack Lumberjacks, Northeast League (independent) - 1 game 18-Jun
- Casey Mize (pitcher, b. 1997, Alabama)
- 2019: Lakeland Flying Tigers, Florida State League (High-A) - 2 games 9-Apr 23-Apr
- 2024: Detroit Tigers, Major League Baseball - 1 game 26-Sep
- Aaron Mizell (outfielder, b. 1993, Georgia)
- 2015: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 4-Aug
- Dave Mlicki (pitcher, b. 1968, Ohio)
- 1993: Canton-Akron Indians, Eastern League (AA) - 1 game 9-Aug
- 1995: New York Mets, National League (MLB) - 1 game 24-Aug
- 1996: New York Mets, National League (MLB) - 2 games 9-Sep 15-Sep
- 1997: New York Mets, National League (MLB) - 2 games 14-Sep 24-Sep
- 1999: Detroit Tigers, American League (MLB) - 1 game 19-Sep
- 2000: Detroit Tigers, Major League Baseball - 1 game 22-Jul day
- Carmen Mlodzinski (pitcher, b. 1999, South Carolina)
- 2021: Peoria Javelinas, Arizona Fall League - 1 game 19-Oct
- 2023: Pittsburgh Pirates, Major League Baseball - 1 game 29-Sep
- Jason Moates (pitcher, b. 1978, Tennessee)
- 2003: Lakeland Tigers, Florida State League (High-A) - 1 game 25-Aug
- Dalton Moats (pitcher, b. 1995, Missouri)
- 2018: Peoria Javelinas, Arizona Fall League - 2 games 14-Nov 17-Nov
- 2019: Montgomery Biscuits, Southern League (AA) - 1 game 28-May
- 2022: Durham Bulls, International League (AAA) - 1 game 23-Sep
- Chris Mobley (pitcher, b. 1983, North Carolina)
- 2005: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 9-Jul
- 2012: Southern Maryland Blue Crabs, Atlantic League (independent) - 1 game 29-Sep
- Andy Mocahbee (catcher, b. 1994, Georgia)
- Garrett Mock (pitcher, b. 1983, Texas)
- 2008: Washington Nationals, Major League Baseball - 2 games 10-Sep 21-Sep
- 2009: Washington Nationals, Major League Baseball - 1 game 20-Sep
- Greg Modica (pitcher, b. 1980, New York)
- 2005: Somerset Patriots, Atlantic League (independent) - 2 games 24-Jul 18-Sep
- Brian Moeglin (infielder, b. 1971, Illinois)
- 1997: Adirondack Lumberjacks, Northeast League (independent) - 1 game 3-Aug
- Brian Moehler (pitcher, b. 1971, North Carolina)
- 2006: Florida Marlins, Major League Baseball - 1 game 30-Jul
- 2008: Houston Astros, Major League Baseball - 1 game 25-Aug
- Chad Moeller (catcher, b. 1975, California)
- 1997: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 5-Jul
- 1998: New Britain Rock Cats, Eastern League (AA) - 2 games 30-Aug 17-Sep
- 2005: Milwaukee Brewers, Major League Baseball - 1 game 3-Aug
- 2009: Baltimore Orioles, Major League Baseball - 1 game 23-Apr
- 2009: Norfolk Tides, International League (AAA) - 1 game 5-Jul
- Miles Moeller (pitcher, b. 1991, Arizona)
- 2018: Normal CornBelters, Frontier League (independent) - 1 game 25-Aug g2
- Rob Moen (outfielder, b. 1971, Connecticut)
- 1993: Elmira Pioneers, New York-Penn League (short-season) - 1 game 5-Sep
- Curtis Moenter (pitcher, b. 1979, Ohio)
- 2002: Richmond Roosters, Frontier League (independent) - 1 game 27-Jul
- Kirvin Moesquit (utility, b. 1995, Curacao)
- 2018: Delmarva Shorebirds, South Atlantic League (Low-A) - 1 game 4-Jul
- Mikael Mogues (first baseman, b. 1993, New York)
- Dustan Mohr (outfielder, b. 1976, Mississippi)
- 1997: Watertown Indians, New York-Penn League (short-season) - 1 game 25-Jul
- 1999: Kinston Indians, Carolina League (High-A) - 2 games 9-Aug 15-Aug
- 2001: New Britain Rock Cats, Eastern League (AA) - 2 games 4-Jul g1 4-Jul g2
- 2004: San Francisco Giants, Major League Baseball - 1 game 25-Jul
- Livan Moinelo (pitcher, b. 1995, Cuba)
- 2016: Cuban National Team, Can-Am League (independent) - 1 game 23-Jun
- Alexander Mojica (infielder, b. 2002, Dominican Republic)
- Jimmy Mojica (infielder, b. 1983, Puerto Rico)
- 2006: St. Joe Blacksnakes, American Association (independent) - 1 game 6-Aug
- 2012: Laredo Lemurs, American Association (independent) - 1 game 28-Jul
- Jimmy Mojica (outfielder, b. 2000, Dominican Republic)
- Jose Mojica (infielder, b. 1988, Dominican Republic)
- 2010: Staten Island Yankees, New York-Penn League (short-season) - 1 game 9-Aug
- Chris Mokma (pitcher, b. 2001, Michigan)
- 2022: Beloit Sky Carp, Midwest League (High-A) - 1 game 12-Jul
- 2023: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 27-Jul
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 15-May
- Jason Moler (catcher/infielder, b. 1969)
- 1994: Reading Phillies, Eastern League (AA) - 1 game 8-Aug
- 1996: Reading Phillies, Eastern League (AA) - 1 game 5-Apr
- Angel Molina (outfielder, b. 1981, Puerto Rico)
- 2009: Nashua Defenders, Can-Am League (independent) - 2 games 10-Aug 13-Aug
- 2010: Pittsfield Colonials, Can-Am League (independent) - 2 games 31-May 10-Jun
- 2011: Pittsfield Colonials, Can-Am League (independent) - 1 game 3-Aug
- 2013: Rockland Boulders, Can-Am League (independent) - 1 game 11-Aug
- Anthony Molina (pitcher, b. 2002, Venezuela)
- 2022: Bowling Green Hot Rods, South Atlantic League (High-A) - 1 game 16-Aug
- 2024: Colorado Rockies, Major League Baseball - 1 game 4-Jul
- Bengie Molina (catcher, b. 1974, Puerto Rico)
- 1999: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 4-Jul
- 2005: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 10-Jun
- 2009: San Francisco Giants, Major League Baseball - 1 game 21-Aug
- Cristopher Molina (pitcher, b. 1997, Dominican Republic)
- 2021: Tri-City Dust Devils, High-A West - 1 game 10-Jul
- 2021: Rocket City Trash Pandas, Double-A South - 1 game 23-Jul
- Derek Molina (pitcher, b. 1997, California)
- 2022: Cedar Rapids Kernels, Midwest League (High-A) - 1 game 12-Jul
- Felix Molina (infielder, b. 1983, Puerto Rico)
- 2007: New Britain Rock Cats, Eastern League (AA) - 1 game 3-May g1
- Gustavo Molina (catcher, b. 1982, Venezuela)
- 2001: Bristol Sox, Appalachian League (rookie) - 1 game 5-Aug
- 2003: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 13-Jul
- 2007: Baltimore Orioles, Major League Baseball - 1 game 30-Sep
- 2015: Southern Maryland Blue Crabs, Atlantic League (independent) - 1 game 24-May
- 2017: Bridgeport Bluefish, Atlantic League (independent) - 1 game 17-Sep
- Izzy Molina (catcher, b. 1971, New York)
- 1997: Oakland Athletics, American League (MLB) - 1 game 1-Sep
- Jose Molina (catcher, b. 1975, Puerto Rico)
- 2007: New York Yankees, Major League Baseball - 1 game 30-Sep
- 2010: Toronto Blue Jays, Major League Baseball - 1 game 31-Jul
- 2013: Tampa Bay Rays, Major League Baseball - 1 game 25-Sep
- Jose Molina (pitcher, b. 1991, Dominican Republic)
- 2012: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 12-Sep 13-Sep
- Leonardo Molina (outfielder, b. 1997, Dominican Republic)
- Leosdany Molina (infielder, b. 2000, Cuba)
- 2023: Fayetteville Woodpeckers, Carolina League (Low-A) - 1 game 5-Sep
- Marcos Molina (pitcher, b. 1995, Dominican Republic)
- 2017: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 18-Aug g2
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 2 games 28-May 20-Jun
- 2021: Dominican Republic, Americas Olympic Qualifier - 1 game 2-Jun
- Nestor Molina (pitcher, b. 1989, Venezuela)
- 2016: Richmond Flying Squirrels, Eastern League (AA) - 1 game 21-Aug
- Robert Molina (catcher, b. 1996, Venezuela)
- 2017: Elizabethton Twins, Appalachian League (rookie) - 1 game 26-Aug
- Yadier Molina (catcher, b. 1982, Puerto Rico)
- 2004: St. Louis Cardinals, Major League Baseball - 1 game 25-Jul
- 2006: St. Louis Cardinals, Major League Baseball - 1 game 4-Aug
- 2013: St. Louis Cardinals, Major League Baseball - 1 game 1-Sep
- 2015: St. Louis Cardinals, Major League Baseball - 1 game 1-Aug
- 2016: St. Louis Cardinals, Major League Baseball - 1 game 27-Jul
- 2017: St. Louis Cardinals, Major League Baseball - 1 game 16-Apr
- 2018: St. Louis Cardinals, Major League Baseball - 1 game 1-Apr
- 2019: St. Louis Cardinals, Major League Baseball - 1 game 18-Sep
- 2021: St. Louis Cardinals, Major League Baseball - 1 game 17-Sep
- 2022: St. Louis Cardinals, Major League Baseball - 2 games 7-Jun 8-Jun
- Daniel Molinari (catcher, b. 1996, California)
- 2022: Lake Country DockHounds, American Association (independent) - 1 game 10-Jul
- Bob Molinaro (outfielder, b. 1950, New Jersey)
- 1983: Philadelphia Phillies, National League (MLB) - 1 game 5-Apr
- Paul Molitor (infielder, b. 1956, Minnesota)
- 1990: Milwaukee Brewers, American League (MLB) - 1 game 15-Aug
- 1992: Milwaukee Brewers, American League (MLB) - 2 games 14-Aug g1 14-Aug g2
- 1993: Toronto Blue Jays, American League (MLB) - 1 game 21-Aug
- 1996: Minnesota Twins, American League (MLB) - 1 game 3-Aug day
- Sam Moll (pitcher, b. 1992, Tennessee)
- 2022: Oakland Athletics, Major League Baseball - 1 game 12-Apr
- 2023: Cincinnati Reds, Major League Baseball - 1 game 24-Sep
- Ryan Mollica (infielder, b. 1986, New York)
- 2011: Rockland Boulders, Can-Am League (independent) - 1 game 4-Jul
- 2012: Rockland Boulders, Can-Am League (independent) - 3 games 13-Jul 30-Jul g1 30-Jul g2
- John Mollicone (catcher/first base, b. 1985, New York)
- 2008: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 6-Aug 5-Sep
- 2009: Bowling Green Hot Rods, South Atlantic League (Low-A) - 1 game 8-Aug
- Dustin Molleken (pitcher, b. 1984, Saskatchewan)
- 2003: GCL Pirates, Gulf Coast League (rookie) - 1 game 26-Aug
- 2011: Tulsa Drillers, Texas League (AA) - 1 game 2-Sep
- 2014: Nashville Sounds, Pacific Coast League (AAA) - 1 game 21-Aug g2
- 2017: Somerset Patriots, Atlantic League (independent) - 2 games 13-Aug 23-Sep
- 2018: Somerset Patriots, Atlantic League (independent) - 1 game 10-Jun
- Ian Moller (catcher, b. 2002, Iowa)
- 2023: Surprise Saguaros, Arizona Fall League - 1 game 14-Oct
- Josh Mollerus (pitcher, b. 1999, California)
- 2023: Dunedin Blue Jays, Florida State League (Low-A) - 2 games 16-Aug 20-Aug
- Ryan Mollica (infielder, b. 1986, New York)
- 2011: Rockland Boulders, Can-Am League (independent) - 1 game
- Sal Molta (pitcher, b. 1977, New Jersey)
- 1996: Martinsville Phillies, Appalachian League (rookie) - 1 game 27-Jul g1
- Joey Monahan (infielder, b. 1981, Missouri)
- 2003: Daytona Cubs, Florida State League (High-A) - 2 games 26-Aug 27-Aug
- Shane Monahan (outfielder, b. 1974, New York)
- 1999: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 21-Aug
- Andruw Monasterio (infielder, b. 1997, Venezuela)
- 2018: Potomac Nationals, Carolina League (High-A) - 1 game 3-Sep
- 2022: Biloxi Shuckers, Southern League (AA) - 2 games 15-Jul 4-Aug
- 2023: Nashville Sounds, International League (AAA) - 1 game 19-Apr
- 2023: Milwaukee Brewers, Major League Baseball - 1 game 1-Oct
- 2024: Milwaukee Brewers, Major League Baseball - 1 game 4-Jul
- Carlos Monasterios (pitcher, b. 1986, Venezuela)
- 2007: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 5-Apr
- Gabe Moncada (first baseman, b. 2001, Venezuela)
- 2023: Modesto Nuts, California League (Low-A) - 1 game 10-Aug
- Luis Moncada (pitcher, b. 1998, Venezuela)
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 1 game 17-Jul
- Yoan Moncada (infielder, b. 1995, Cuba)
- 2016: Surprise Saguaros, Arizona Fall League - 2 games 11-Oct 13-Oct
- 2018: Chicago White Sox, Major League Baseball - 1 game 20-Sep
- 2019: Chicago White Sox, Major League Baseball - 1 game 1-Jun
- 2021: Chicago White Sox, Major League Baseball - 4 games 5-Jul 21-Aug 22-Aug 3-Oct
- 2023: Charlotte Knights, International League (AAA) - 1 game 9-May
- Carlos Moncrief (pitcher, then outfielder, b. 1988, Mississippi)
- 2009: AZL Indians, Arizona League (rookie) - 1 game 25-Aug
- 2014: Columbus Clippers, International League (AAA) - 1 game 23-Aug
- 2015: Akron RubberDucks, Eastern League (AA) - 1 game 3-Jul
- 2017: San Francisco Giants, Major League Baseball - 1 game 2-Aug
- [Raul] Adalberto Mondesi (infielder, b. 1995, California)
- 2014: Peoria Javelinas, Arizona Fall League - 1 game 10-Oct
- 2019: Kansas City Royals, Major League Baseball - 1 game 24-Apr
- 2021: Kansas City Royals, Major League Baseball - 2 games 25-May 16-Sep
- 2021: Omaha Storm Chasers, Triple-A East - 1 game 8-Aug
- Raul Mondesi (outfielder, b. 1971, Dominican Republic)
- 1997: Los Angeles Dodgers, National League (MLB) - 1 game 29-Aug
- 2001: Toronto Blue Jays, Major League Baseball - 1 game 28-Aug
- 2002: New York Yankees, Major League Baseball - 1 game 25-Sep
- James Mondesir (pitcher, b. 1979, New York)
- 2006: New Jersey Jackals, Can-Am League (independent) - 1 game 30-Jun
- Nate Mondou (infielder, b. 1995, Washington)
- 2017: Stockton Ports, California League (High-A) - 1 game 31-Jul
- 2019: Midland RockHounds, Texas League (AA) - 2 games 11-Jul 22-Jul
- 2023: Charlotte Knights, International League (AAA) - 1 game 9-May
- Wonderful Monds (outfielder, b. 1973, Florida)
- 1998: New Haven Ravens, Eastern League (AA) - 1 game 31-Jul
- Anthony Monegan (outfielder, b. 1979, Illinois)
- 2000: Bristol Sox, Appalachian League (rookie) - 1 game 4-Aug
- 2001: Bristol Sox, Appalachian League (rookie) - 1 game 5-Aug
- 2003: Joliet Jackhammers, Northern League (independent) - 1 game 27-Jul
- 2006: Sioux Falls Canaries, American Association (independent) - 1 game 6-Aug
- Johnny Monell (outfielder, b. 1965, New York)
- 1998: Atlantic City Surf, Atlantic League (independent) - 3 games 4-Jul 5-Jul 12-Jul
- 2000: Atlantic City Surf, Atlantic League (independent) - 2 games 3-Jul 7-Aug
- Johnny Monell (catcher, b. 1986, New York)
- 2011: Richmond Flying Squirrels, Eastern League (AA) - 1 game 4-Aug
- 2013: San Francisco Giants, Major League Baseball - 1 game 18-Sep
- 2014: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 24-Jul
- 2015: New York Mets, Major League Baseball - 1 game 4-Oct
- Daylon Monette (outfielder, b. 1981, California)
- 2004: Gateway Grizzlies, Frontier League (independent) - 1 game 25-Jul
- Blake Money (pitcher, b. 2001, Florida)
- 2024: Delmarva Shorebirds, Carolina League (Low-A) - 1 game 12-May
- Don Money (infielder, b. 1947, District of Columbia)
- 1971: Philadelphia Phillies, National League (MLB) - 1 game 12-Sep
- Freddie Money (outfielder, b. 1979, Alabama)
- 2001: Lowell Spinners, New York-Penn League (short-season) - 1 game 6-Jul
- Joseph Monge (outfielder, b. 1995, New York)
- 2014: Lowell Spinners, New York-Penn League (short-season) - 1 game 13-Aug g1
- 2016: Salem Red Sox, Carolina League (High-A) - 1 game 4-Sep
- 2017: Portland Sea Dogs, Eastern League (AA) - 1 game 15-Apr
- 2022: Santurce Cangrejeros, Liga Clemente (winter) - 3 games 29-Nov 3-Dec 4-Dec g1
- Tony Mongeluzzo (utility, b. 1978, Illinois)
- 2001: Savannah Sand Gnats, South Atlantic League (Low-A) - 2 games 7-Aug 10-Aug
- Cameron Monger (outfielder, b. 1988, Texas)
- 2012: Worcester Tornadoes, Can-Am League (independent) - 1 game 20-Aug
- Mickey Moniak (outfielder, b. 1998, California)
- Gavin Monjaras (infielder, b. 1981, Wyoming)
- 2007: Grays, Can-Am League (independent) - 1 game 17-Jun
- Craig Monroe (outfielder, b. 1977, Texas)
- 1996: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 4-Jul 7-Jul
- 2000: Tulsa Drillers, Texas League (AA) - 1 game 24-Aug
- 2004: Detroit Tigers, Major League Baseball - 1 game 17-Jun
- Eduard Monroy (pitcher, b. 2001, Venezuela)
- 2021: FCL Orioles Black, Florida Complex League (rookie) - 1 game 26-Aug g2
- Sam Monroy (infielder, b. 1978, California)
- 2001: Charleston RiverDogs, South Atlantic League (Low-A) - 2 games 6-Aug 10-Aug
- Alex Monsalve (catcher, b. 1992, Venezuela)
- 2012: Carolina Mudcats, Carolina League (High-A) - 1 game 3-Sep
- Rafael Monsion (pitcher, b. 1999, Venezuela)
- 2021: Dunedin Blue Jays, Low-A Southeast - 2 games 28-Jul 31-Jul
- Ed Montague (outfielder, b. 1980, California)
- 2002: Great Falls Dodgers, Pioneer League (rookie) - 1 game 14-Aug
- 2007: Atlantic City Surf, Can-Am League (independent) - 2 games 4-Jul 2-Aug
- Rob Montalvo (infielder, b. 1970, New Jersey)
- 1992: Syracuse Chiefs, International League (AAA) - 1 game 19-Aug
- 1994: Syracuse Chiefs, International League (AAA) - 1 game 6-Aug g2
- Ivan Montane (pitcher, b. 1973, Puerto Rico)
- 2000: New Haven Ravens, Eastern League (AA) - 1 game 8-Apr
- 2001: Binghamton Mets, Eastern League (AA) - 1 game 22-Jul
- 2004: Somerset Patriots, Atlantic League (independent) - 1 game 29-Jul g2
- Luis Montanez (outfielder, b. 1981, Puerto Rico)
- 2002: Daytona Cubs, Florida State League (High-A) - 1 game 23-Aug
- 2003: Daytona Cubs, Florida State League (High-A) - 2 games 26-Aug 27-Aug
- 2008: Bowie Baysox, Eastern League (AA) - 1 game 4-Jul
- 2009: Baltimore Orioles, Major League Baseball - 1 game 4-Oct
- 2011: Chicago Cubs, Major League Baseball - 1 game 11-Sep
- 2014: Somerset Patriots, Atlantic League (independent) - 4 games 2-Aug day 7-Aug 27-Sep 28-Sep
- Willie Montanez (first base/outfield, b. 1948, Puerto Rico)
- 1971: Philadelphia Phillies, National League (MLB) - 1 game 12-Sep
- Jeff Montani (pitcher, b. 1980, New York)
- 2005: Aberdeen IronBirds, New York-Penn League (short-season) - 1 game 17-Jul
- Luis Montano (outfielder, b. 2000, Dominican Republic)
- 2019: GCL Cardinals, Gulf Coast League (rookie) - 1 game 8-Aug
- Frankie Montas (pitcher, b. 1993, Dominican Republic)
- 2014: Glendale Desert Dogs, Arizona Fall League - 1 game 9-Oct
- 2022: Oakland Athletics, Major League Baseball - 1 game 13-Apr
- 2022: New York Yankees, Major League Baseball - 1 game 4-Sep
- 2024: Milwaukee Brewers, Major League Baseball - 1 game 27-Sep
- Kenlly Montas (pitcher, b. 1996, Dominican Republic)
- 2021: Tampa Tarpons, Low-A Southeast - 1 game 27-Aug
- 2022: Tampa Tarpons, Florida State League (Low-A) - 1 game 21-Apr
- Ricardo [Rico] Montas (infielder, b. 1977, New York)
- 1999: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 15-Aug
- 2002: Road Warriors, Atlantic League (independent) - 1 game 21-Jul
- Anthony Montefusco (pitcher, b. 1991)
- 2014: Southern Illinois Miners, Frontier League (independent) - 1 game 27-Aug
- 2014: Camden Riversharks, Atlantic League (independent) - 1 game 2-Aug
- Rich Monteleone (pitcher, b. 1963, Florida)
- 1991: New York Yankees, American League (MLB) - 1 game 12-Sep
- 1992: New York Yankees, American League (MLB) - 2 games 23-Aug 4-Sep
- 1993: New York Yankees, American League (MLB) - 1 game 28-Jun
- Agustin Montero (pitcher, b. 1977, Dominican Republic)
- 2005: Frisco Roughriders, Texas League (AA) - 1 game 14-Aug
- Danilo Montero (outfielder, b. 1983, Dominican Republic)
- 2002: Missoula Osprey, Pioneer League (rookie) - 1 game 5-Aug
- Danny Montero (catcher, b. 1973, Dominican Republic)
- 1994: Huntington Cubs, Appalachian League (rookie) - 1 game 3-Jul
- Elehuris Montero (infielder, b. 1998, Dominican Republic)
- 2019: Glendale Desert Dogs, Arizona Fall League - 2 games 15-Oct 19-Oct
- 2023: Colorado Rockies, Major League Baseball - 2 games 23-Aug 24-Aug
- Fidel Montero (outfielder, b. 2003, Dominican Republic)
- 2024: FCL Yankees, Florida Complex League (rookie) - 1 game 1-Jun
- Hans Montero (infielder, b. 2003, Dominican Republic)
- Jesus Montero (catcher, b. 1989, Venezuela)
- 2008: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 18-Aug
- 2011: Scranton/Wilkes-Barre Yankees, International League (AAA) - 1 game 23-Apr g1
- 2011: New York Yankees, Major League Baseball - 1 game 19-Sep
- Jesus Montero (catcher, b. 1991, Venezuela)
- 2012: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 21-Jul
- Johan Montero (pitcher, b. 1999, Venezuela)
- 2022: Bradenton Marauders, Florida State League (Low-A) - 3 games 23-Jul 10-Aug 6-Sep
- Jose Montero (pitcher, b. 2003, Venezuela)
- 2024: Daytona Tortugas, Florida State League (Low-A) - 2 games 19-May 5-Jun
- Juan Montero (catcher, b. 2002, Puerto Rico)
- 2021: FCL Red Sox, Florida Complex League (rookie) - 1 game 23-Aug g2
- 2022: Ponce Leones, Liga Clemente (winter) - 1 game 2-Dec
- 2024: Greenville Drive, South Atlantic League (High-A) - 1 game 9-Aug
- Lucas Montero (outfielder, b. 1984, Dominican Republic)
- 2007: Lake County Captains, South Atlantic League (Low-A) - 1 game 30-Aug
- 2008: Lake County Captains, South Atlantic League (Low-A) - 1 game 3-Apr
- Miguel Montero (catcher, b. 1983, Venezuela)
- 2002: Missoula Osprey, Pioneer League (rookie) - 1 game 5-Aug
- 2008: Arizona Diamondbacks, Major League Baseball - 1 game 28-Jul
- 2011: Arizona Diamondbacks, Major League Baseball - 1 game 24-Apr
- 2013: Arizona Diamondbacks, Major League Baseball - 1 game 4-Jul
- 2014: Arizona Diamondbacks, Major League Baseball - 1 game 20-Jul
- Moises Montero (catcher, b. 1989, Dominican Republic)
- 2009: AZL Indians, Arizona League (rookie) - 1 game 25-Aug
- Rafael Montero (pitcher, b. 1990, Dominican Republic)
- 2011: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 9-Sep
- 2017: New York Mets, Major League Baseball - 1 game 1-Oct
- 2019: Frisco RoughRiders, Texas League (AA) - 1 game 10-Jul
- 2021: Seattle Mariners, Major League Baseball - 1 game 11-Jul
- 2022: Houston Astros, Major League Baseball - 1 game 21-Sep
- Willy Montero (outfielder, b. 2004, Dominican Republic)
- Coco Montes (infielder, b. 1996, Florida)
- 2019: Asheville Tourists, South Atlantic League (Low-A) - 1 game 28-May
- Hector Montes (infielder, b. 1992, California)
- 2015: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 4-Aug
- Juan Montes (outfielder, b. 1995, Guatemala)
- 2021: Nicaragua, Americas Olympic Qualifier - 1 game 2-Jun
- Lazaro Montes (outfielder, b. 2004, Cuba)
- 2023: Modesto Nuts, California League (Low-A) - 1 game 10-Aug
- Ariel Montesino (infielder, b. 1995, Dominican Republic)
- 2017: Elizabethton Twins, Appalachian League (rookie) - 1 game 25-Aug
- 2018: Cedar Rapids Kernels, Midwest League (Low-A) - 1 game 6-Aug
- 2019: Rome Braves, South Atlantic League (Low-A) - 1 game 28-May
- Patrick Monteverde (pitcher, b. 1997, Pennsylvania)
- 2024: Jacksonville Jumbo Shrimp, International League (AAA) - 1 game 21-Apr
- Andre Montgomery (infielder, b. 1977, Kentucky)
- 1995: Billings Mustangs, Pioneer League (rookie) - 1 game 10-Aug
- Benny Montgomery (outfielder, b. 2002, Pennsylvania)
- 2023: Salt River Rafters, Arizona Fall League - 1 game 11-Oct
- Billy Montgomery (outfielder, b. 1979, Oregon)
- 2000: Pulaski Rangers, Appalachian League (rookie) - 1 game 4-Aug
- Brandon Montgomery (infielder, b. 1996, Texas)
- 2018: Rancho Cucamonga Quakes, California League (High-A) - 2 games 12-Aug 17-Aug
- Colson Montgomery (infielder, b. 2002, Indiana)
- 2022: Winston-Salem Dash, South Atlantic League (High-A) - 1 game 17-Jul
- 2023: Glendale Desert Dogs, Arizona Fall League - 1 game 12-Oct
- 2024: Charlotte Knights, International League (AAA) - 1 game 20-Sep
- 2024: Glendale Desert Dogs, Arizona Fall League - 2 games 11-Oct 12-Oct
- J.J. Montgomery (pitcher, b. 1997, Indiana)
- 2019: GCL Orioles, Gulf Coast League (rookie) - 1 game 5-Aug g2
- Jeff Montgomery (pitcher, b. 1962, Ohio)
- 1992: Kansas City Royals, American League (MLB) - 2 games 17-Aug 13-Sep
- Jordan Montgomery (pitcher, b. 1992, South Carolina)
- 2017: New York Yankees, Major League Baseball - 1 game 21-Jun
- 2019: Tampa Tarpons, Florida State League (High-A) - 1 game 25-Aug g1
- 2019: New York Yankees, Major League Baseball - 1 game 24-Sep
- 2021: New York Yankees, Major League Baseball - 1 game 11-Apr
- Mark Montgomery (pitcher, b. 1990, Virginia)
- 2013: Scranton/Wilkes-Barre RailRiders, International League (AAA) - 1 game 24-Apr
- 2016: Trenton Thunder, Eastern League (AA) - 1 game 20-Aug
- 2017: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 19-Sep
- Mason Montgomery (pitcher, b. 2000, Texas)
- 2024: Tampa Bay Rays, Major League Baseball - 1 game 5-Sep
- Matt Montgomery (pitcher, b. 1976, California)
- 2006: Bridgeport Bluefish, Atlantic League (independent) - 1 game 10-Sep
- Mike Montgomery (pitcher, b. 1989, California)
- 2018: Chicago Cubs, Major League Baseball - 1 game 30-Mar
- Ray Montgomery (outfielder, b. 1969, New York)
- 1993: Jackson Generals, Texas League (AA) - 2 games 14-Aug 16-Aug
- Steve Montgomery (pitcher, b. 1970, California)
- 1993: Arkansas Travelers, Texas League (AA) - 1 game 14-Aug
- 1999: Philadelphia Phillies, National League (MLB) - 3 games 17-Sep 26-Sep 3-Oct
- Steve Montgomery (pitcher, b. 1974, Ohio)
- 1997: Rochester Red Wings, International League (AAA) - 1 game 24-Aug
- Torin Montgomery (first baseman, b. 2001, Washington)
- 2022: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 20-Aug
- Edgard Montiel (infielder, b. 1988, Nicaragua)
- 2021: Nicaragua, Americas Olympic Qualifier - 1 game 2-Jun
- Angelberth Montilla (outfielder, b. 1989, Venezuela)
- 2012: Auburn Doubledays, New York-Penn League (short-season) - 1 game 21-Jul
- 2012: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 9-Aug
- Franyerber Montilla (infielder, b. 2005, Venezuela)
- Gerson Montilla (infielder, b. 1989, Venezuela)
- 2016: Winston-Salem Dash, Carolina League (High-A) - 1 game 28-May
- Henry Montilla (pitcher, b. 2002, Dominican Republic)
- 2023: FCL Tigers, Florida Complex League (rookie) - 1 game 10-Jun
- Julio Montilla (infielder, b. 1973)
- 1995: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 31-Aug
- Wandi Montout (pitcher, b. 1997, Dominican Republic)
- 2021: Bradenton Marauders, Low-A Southeast - 2 games 4-Jun 28-Jul
- Eric Montoya (pitcher, b. 1978)
- 2004: Newark Bears, Atlantic League (independent) - 1 game 18-Sep
- Charlie Montoyo (infielder, b. 1965, Puerto Rico)
- 1994: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 12-Aug
- 1995: Scranton/Wilkes-Barre Red Barons, International League (AAA) - 1 game 30-Apr
- 1996: Harrisburg Senators, Eastern League (AA) - 2 games 15-Jun 9-Aug
- Jason Montville (pitcher, b. 1996, California)
- 2019: GCL Orioles, Gulf Coast League (rookie) - 1 game 3-Aug
- Mike Montville (outfielder, b. 1992, New Hampshire)
- Luke Montz (catcher/first base, b. 1983, Louisiana)
- 2005: Savannah Sand Gnats, South Atlantic League (Low-A) - 1 game 9-Jul
- 2006: Potomac Nationals, Carolina League (High-A) - 1 game 29-Jul
- 2008: Columbus Clippers, International League (AAA) - 1 game 30-Aug
- 2008: Washington Nationals, Major League Baseball - 1 game 21-Sep
- 2011: Jacksonville Suns, Southern League (AA) - 2 games 7-Aug 12-Aug
- Erick Monzon (infielder, b. 1981, Puerto Rico)
- 2004: Inland Empire 66ers, California League (High-A) - 1 game 8-Aug
- Jose Monzon (infielder, b. 2005, Venezuela)
- 2024: FCL Rays, Florida Complex League (rookie) - 2 games 22-Jun 22-Jul
- Adarius Moody (catcher, b. 1996, Virginia)
- 2020: Baseball Resume Bandits, Liberation League (independent) - 1 game 22-Sep
- Jason Moody (pitcher, b. 1976, North Carolina)
- 2001: Newark Bears, Atlantic League (independent) - 1 game 15-Aug
- Brian Moon (catcher, b. 1977, Georgia)
- 1998: Beloit Snappers, Midwest League (Low-A) - 1 game 19-Aug
- Logan Moon (outfielder, b. 1992, Missouri)
- 2014: Burlington Royals, Appalachian League (rookie) - 1 game 19-Aug
- 2015: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 23-May
- Dan Mooney (catcher, b. 1977, New Jersey)
- 2001: Augusta Greenjackets, South Atlantic League (Low-A) - 1 game 7-Aug
- Mike Mooney (outfielder, b. 1983, California)
- 2006: Augusta Greenjackets, South Atlantic League (Low-A) - 2 games 14-Sep 15-Sep
- 2009: Connecticut Defenders, Eastern League (AA) - 1 game 13-Sep
- Peter Mooney (infielder, b. 1990, Florida)
- Sean Mooney (pitcher, b. 1998, New Jersey)
- 2021: Fort Myers Mighty Mussels, Low-A Southeast - 1 game 20-Aug
- Andrew Moore (pitcher, b. 1994, Oregon)
- 2017: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 6-Aug
- 2019: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 2-Sep
- Andrew Moore (pitcher, b. 1999, Georgia)
- 2023: Surprise Saguaros, Arizona Fall League - 1 game 14-Oct
- Ben Moore (catcher, b. 1992, Colorado)
- 2016: Salem Red Sox, Carolina League (High-A) - 1 game 4-Sep
- Bobby Moore (outfielder, b. 1965, Ohio)
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- Brandon Moore (pitcher, b. 1986, Indiana)
- Brandon Moore (pitcher, b. 1992, Arkansas)
- 2013: Helena Brewers, Pioneer League (rookie) - 1 game 27-Aug
- Brody Moore (infielder, b. 2000, Alabama)
- 2022: Palm Beach Cardinals, Florida State League (Low-A) - 3 games 10-Aug 8-Sep 9-Sep
- Cole Moore (first baseman, b. 1999, Texas)
- Darin Moore (pitcher, b. 1976, California)
- 2003: Frisco Roughriders, Texas League (AA) - 1 game 8-Aug
- Davis Moore (pitcher, b. 1998, California)
- 2021: Fredericksburg Nationals, Low-A East - 1 game 15-Jun
- Dylan Moore (infielder, b. 1992, California)
- 2016: Salt River Rafters, Arizona Fall League - 1 game 13-Oct
- 2021: Seattle Mariners, Major League Baseball - 4 games 11-Jul 18-Jul 3-Aug 4-Aug
- 2022: Seattle Mariners, Major League Baseball - 1 game 26-Apr
- 2023: Seattle Mariners, Major League Baseball - 1 game 10-Sep
- Frank Moore (utility, b. 1978, Georgia)
- 1999: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 1-Sep 10-Sep
- 2007: Carolina Mudcats, Southern League (AA) - 1 game 3-Sep
- Harrison Moore (outfielder, b. 1995, Georgia)
- 2021: Santa Fe Fuego, Pecos League (independent) - 1 game 20-Jul
- Jason Moore (infielder, b. 1978, Illinois)
- 2003: Palm Beach Cardinals, Florida State League (High-A) - 2 games 28-Aug 29-Aug
- Jeremy Moore (outfielder, b. 1987, Louisiana)
- 2009: Rancho Cucamonga Quakes, California League (High-A) - 1 game 26-Aug
- 2013: Chattanooga Lookouts, Southern League (AA) - 1 game 20-Jul
- Joel Moore (pitcher, b. 1972, Illinois)
- 1994: Central Valley Rockies, California League (High-A) - 1 game 3-Sep
- Kerwin Moore (outfielder, b. 1970, Michigan)
- 1997: Catskill Cougars, Northeast League (independent) - 1 game 3-Aug
- 1998: Huntsville Stars, Southern League (AA) - 1 game 27-Aug
- Kevin Moore (utility, b. 1975, California)
- 1999: Nashua Pride, Atlantic League (independent) - 2 games 11-Sep g1 11-Sep g2
- 2000: Allentown Ambassadors, Northeast League (independent) - 1 game 4-Jul
- 2001: Elmira Pioneers, Northeast League (independent) - 1 game 21-Sep
- Logan Moore (catcher, b. 1990, Pennsylvania)
- 2014: Scottsdale Scorpions, Arizona Fall League - 1 game 8-Oct
- 2015: Reading Fightin Phils, Eastern League (AA) - 1 game 17-Jun
- 2015: Lehigh Valley IronPigs, International League (AAA) - 1 game 4-Jul
- 2016: Lehigh Valley IronPigs, International League (AAA) - 1 game 30-May
- 2018: Lehigh Valley IronPigs, International League (AAA) - 3 games 27-May 14-Jun 1-Aug g2
- 2021: Lehigh Valley IronPigs, Triple-A East - 1 game 7-Sep
- Marcus Moore (pitcher, b. 1970, California)
- 1996: Indianapolis Indians, American Association (AAA) - 1 game 12-Aug
- Matt Moore (pitcher, b. 1989, Florida)
- 2009: Bowling Green Hot Rods, South Atlantic League (Low-A) - 1 game 3-Jul
- 2017: San Francisco Giants, Major League Baseball - 1 game 2-Aug
- 2021: Philadelphia Phillies, Major League Baseball - 1 game 15-May
- 2022: Texas Rangers, Major League Baseball - 1 game 16-Sep
- 2024: Los Angeles Angels, Major League Baseball - 3 games 15-Apr 16-Apr 18-Apr
- McKinley Moore (pitcher, b. 1998, Texas)
- 2021: Kannapolis Cannon Ballers, Low-A East - 1 game 17-Jun
- 2024: FCL Yankees, Florida Complex League (rookie) - 1 game 1-Jun
- Michael Moore (outfielder, b. 1971, California)
- 1999: Nashua Pride, Atlantic League (independent) - 2 games 11-Sep g1 11-Sep g2
- 2001: Long Island Ducks, Atlantic League (independent) - 1 game 1-Jul
- 2002: Berkshire Black Bears, Northeast League (independent) - 1 game 28-Aug
- 2005: Newark Bears, Atlantic League (independent) - 5 games 10-Jul 24-Jul 24-Aug 25-Aug 11-Sep
- Mike Moore (pitcher, b. 1959, Oklahoma)
- 1993: Detroit Tigers, American League (MLB) - 2 games 28-Jun 1-Oct
- Mike Moore (catcher, b. 1970, Pennsylvania)
- 1991: Watertown Indians, New York-Penn League (short-season) - 1 game 11-Aug
- Mike Moore (pitcher, b. 1985)
- 2011: New Jersey Jackals, Can-Am League (independent) - 1 game 27-Aug
- Navery Moore (pitcher, b. 1990, Tennessee)
- 2015: Joliet Slammers, Frontier League (independent) - 1 game 30-Aug
- Nick Moore (infielder, b. 1992, Georgia)
- 2014: Lowell Spinners, New York-Penn League (short-season) - 2 games 31-Jul 13-Aug g2
- Scott Moore (infielder, b. 1983, California))
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- 2007: Baltimore Orioles, Major League Baseball - 2 games 19-Sep 30-Sep
- 2012: Houston Astros, Major League Baseball - 1 game 29-Jul
- Scott Moore (pitcher, b. 1983, Texas)
- 2007: Kane County Cougars, Midwest League (Low-A) - 1 game 6-Aug
- Steffon Moore (pitcher, b. 1997, Mississippi)
- 2021: Charleston RiverDogs, Low-A East - 1 game 18-Jun
- Tim Moore (outfielder, b. 1971, North Carolina)
- 1993: Fort Myers Miracle, Florida State League (High-A) - 1 game 12-Aug
- 1995: Hardware City Rock Cats, Eastern League (AA) - 2 games 2-Jul 4-Jul
- Trey Moore (pitcher, b. 1972, Texas)
- 2000: Ottawa Lynx, International League (AAA) - 1 game 23-Jul
- Ty Moore (outfielder, b. 1993, California)
- 2015: West Virginia Black Bears, New York-Penn League (short-season) - 2 games 8-Aug 13-Sep
- 2016: West Virginia Black Bears, New York-Penn League (short-season) - 1 game 14-Aug
- 2021: Gateway Grizzlies, Frontier League (independent) - 1 game 7-Aug
- Tyler Moore (first base/outfield, b. 1987, Mississippi)
- 2008: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 6-Aug
- 2012: Washington Nationals, Major League Baseball - 2 games 4-Jul 11-Sep
- 2013: Washington Nationals, Major League Baseball - 1 game 9-Sep
- 2014: Washington Nationals, Major League Baseball - 1 game 26-May
- 2016: Gwinnett Braves, International League (AAA) - 2 games 1-Sep 14-Sep
- Tyler Moore (catcher/infielder, b. 1993, Louisiana)
- 2014: Brooklyn Cyclones, New York-Penn League (short-season) - 3 games 30-Jul 13-Aug g1 13-Aug g2
- 2016: Columbia Fireflies, South Atlantic League (Low-A) - 1 game 2-Jul
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 9-May
- 2019: Lincoln Saltdogs, American Association (independent) - 2 games 6-Jun 16-Jul
- Wade Moore (outfielder, b. 1987, North Carolina)
- 2011: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 2-Jul
- Wesley Moore (pitcher, b. 1999, British Columbia)
- Xavier Moore (pitcher, b. 1999, Ohio)
- 2022: Aberdeen IronBirds, South Atlantic League (High-A) - 1 game 8-May g2
- Zach Moore (outfielder, b. 1988, Maryland)
- 2009: Jamestown Jammers, New York-Penn League (short-season) - 1 game 20-Jul
- Demetrius Moorer (outfielder, b. 1993, Florida)
- 2024: Hagerstown Flying Boxcars, Atlantic League (independent) - 1 game 7-Aug
- Chuck Moorman (catcher, b. 1994, California)
- 2016: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 18-Aug
- Darlin Moquete (utility, b. 1999, Dominican Republic)
- Angelo Mora (infielder, b. 1993, Dominican Republic)
- 2013: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 8-Aug
- 2017: Reading Fightin Phils, Eastern League (AA) - 1 game 4-Jul
- 2017: Lehigh Valley IronPigs, International League (AAA) - 1 game 10-Sep
- 2019: Tulsa Drillers, Texas League (AA) - 1 game 22-Jul
- Javier Mora (infielder, b. 2003, Venezuela)
- 2023: Kannapolis Cannon Ballers, Carolina League (Low-A) - 1 game 16-Jul
- John Mora (outfielder, b. 1993, Dominican Republic)
- 2014: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 13-Aug g1 13-Aug g2
- 2016: St. Lucie Mets, Florida State League (High-A) - 1 game 26-Aug
- 2018: Binghamton Rumble Ponies, Eastern League (AA) - 3 games 9-May 28-May 20-Jun
- Jose Mora (pitcher, b. 1997, Dominican Republic)
- 2018: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 30-Jul
- Juan Mora (outfielder, b. 1977, Puerto Rico)
- 1998: West Michigan Whitecaps, Midwest League (Low-A) - 1 game 16-Aug
- Melvin Mora (utility, b. 1972, Venezuela)
- 1993: Asheville Tourists, South Atlantic League (Low-A) - 1 game 19-Aug
- 1999: New York Mets, National League (MLB) - 5 games 23-Jul 3-Sep 17-Sep 26-Sep 2-Oct
- 2000: Baltimore Orioles, Major League Baseball - 1 game 1-Oct
- 2001: Baltimore Orioles, Major League Baseball - 1 game 2-Sep
- 2005: Baltimore Orioles, Major League Baseball - 1 game 21-Sep
- 2006: Baltimore Orioles, Major League Baseball - 2 games 30-Jul 27-Sep
- 2007: Baltimore Orioles, Major League Baseball - 2 games 19-Sep 30-Sep
- 2009: Baltimore Orioles, Major League Baseball - 1 game 4-Oct
- 2011: Arizona Diamondbacks, Major League Baseball - 1 game 24-Apr
- Mike Mora (outfielder, b. 1972, Connecticut)
- 1998: Adirondack Lumberjacks, Northeast League (independent) - 1 game 19-Jul
- Ramon Mora (pitcher, b. 1981, Venezuela)
- 2003: Charleston Alley Cats, South Atlantic League (Low-A) - 1 game 5-Jul
- Ruben Mora (outfielder, b. 1982, Panama)
- 2002: Idaho Falls Padres, Pioneer League (rookie) - 1 game 14-Aug
- Sander Mora (infielder, b. 2001, Venezuela)
- Nick Morabito (outfielder, b. 2003, Virginia)
- 2023: St. Lucie Mets, Florida State League (Low-A) - 2 games 24-Aug 26-Aug
- David Moraga (pitcher, b. 1975, California)
- 2003: Camden Riversharks, Atlantic League (independent) - 1 game 20-Aug
- Omar Moraga (infielder, b. 1977, Arizona)
- 1999: Mahoning Valley Scrappers, New York-Penn League (short-season) - 2 games 28-Aug 10-Sep
- Andy Morales (infielder, b. 1974, Cuba)
- 2001: Norwich Navigators, Eastern League (AA) - 1 game 29-Apr
- 2002: Trenton Thunder, Eastern League (AA) - 1 game 21-Apr
- Anthony Morales (catcher, b. 1998, Puerto Rico)
- 2021: Dunedin Blue Jays, Low-A Southeast - 1 game 9-May
- Buddy Morales (catcher, b. 1983)
- 2008: Orange County Flyers, Golden League (independent) - 1 game 26-Jul
- Coby Morales (outfielder, b. 2001, California)
- Cory Morales (infielder, b. 1986)
- 2015: Sussex County Miners, Can-Am League (independent) - 3 games 15-Jul 6-Aug 18-Aug
- Delvis Morales (infielder, b. 1990, Dominican Republic)
- 2014: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 24-Jul
- 2016: Trois-Rivieres Aigles, Can-Am League (independent) - 2 games 30-May 9-Aug
- Doug Morales (first base/outfield, b. 1986, Nicaragua)
- 2007: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 30-Aug
- Eric Morales (catcher, b. 1973, Puerto Rico)
- 1996: Capital City Bombers, South Atlantic League (Low-A) - 1 game 29-Aug
- Estarlyn Morales (outfielder, b. 1992, Dominican Republic)
- 2015: Clinton LumberKings, Midwest League (Low-A) - 2 games 28-Aug 31-Aug
- Francisco Morales (catcher/first base, b. 1973, Dominican Republic)
- 1998: Harrisburg Senators, Eastern League (AA) - 1 game 17-Sep
- 2001: Long Island Ducks, Atlantic League (independent) - 1 game 1-Jul
- 2002: Long Island Ducks, Atlantic League (independent) - 1 game 6-Sep
- 2003: Camden Riversharks, Atlantic League (independent) - 4 games 28-May 25-Jul 20-Aug 17-Sep
- Francisco Morales (pitcher, b. 1999, Venezuela)
- 2023: FCL Phillies, Florida Complex League (rookie) - 1 game 13-Jun
- Jeferson Morales (catcher/outfielder, b. 1999, Venezuela)
- 2021: Fort Myers Mighty Mussels, Low-A Southeast - 2 games 27-Jul 29-Jul g2
- 2022: Cedar Rapids Kernels, Midwest League (High-A) - 1 game 12-Jul
- 2023: Cedar Rapids Kernels, Midwest League (High-A) - 1 game 25-Jun g2
- Jerry Morales (outfielder, b. 1949, Puerto Rico)
- 1975: Chicago Cubs, National League (MLB) - 1 game 3-Jul
- 1977: Chicago Cubs, National League (MLB) - 1 game 12-Jul
- Jobduan Morales (catcher/first base, b. 1991, Puerto Rico)
- 2012: Tri-City ValleyCats, New York-Penn League (short-season) - 1 game 5-Aug
- Jonathan Morales (catcher/infielder, b. 1995, Puerto Rico)
- 2016: Rome Braves, South Atlantic League (Low-A) - 1 game 15-Sep
- 2017: Florida Fire Frogs, Florida State League (High-A) - 1 game 27-May
- 2022: Caguas Criollos, Liga Clemente (winter) - 1 game 3-Dec
- Jorge Morales (catcher, b. 1970, Puerto Rico)
- 1998: Somerset Patriots, Atlantic League (independent) - 1 game 12-Jul
- 2001: Long Island Ducks, Atlantic League (independent) - 1 game 1-Jul
- 2001: Camden Riversharks, Atlantic League (independent) - 1 game 7-Sep
- 2002: Road Warriors, Atlantic League (independent) - 1 game 21-Jul
- Jose Morales (catcher/infielder, b. 1983, Puerto Rico)
- 2008: Rochester Red Wings, International League (AAA) - 1 game 7-Jun
- 2010: Minnesota Twins, Major League Baseball - 1 game 2-Sep
- Juan Morales (pitcher, b. 1982, Dominican Republic)
- 2003: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 19-Aug
- Kendrys Morales (first baseman, b. 1983, Cuba)
- 2009: Los Angeles Angels of Anaheim, Major League Baseball - 1 game (as Kendry Morales) 26-Aug
- 2013: Seattle Mariners, Major League Baseball - 1 game 23-Aug
- 2014: Seattle Mariners, Major League Baseball - 1 game 18-Aug
- 2015: Kansas City Royals, Major League Baseball - 1 game 31-Oct
- Jose Morales (catcher/infielder, b. 1983, Puerto Rico)
- 2014: Camden Riversharks, Atlantic League (independent) - 2 games 2-Aug day 7-Aug
- Kendrys Morales (first baseman, b. 1983, Cuba)
- 2018: Toronto Blue Jays, Major League Baseball - 2 games 16-Sep 21-Sep
- Osmer Morales (pitcher, b. 1992, Venezuela)
- 2015: Clinton LumberKings, Midwest League (Low-A) - 1 game 31-Aug
- 2018: Salt Lake Bees, Pacific Coast League (AAA) - 1 game 21-Aug
- Ronnie Morales (pitcher, b. 1985, Kansas)
- 2011: York Revolution, Atlantic League (independent) - 2 games 26-Jul 12-Sep
- Roy Morales (catcher/first base, b. 1995, Puerto Rico)
- Tommy Morales (catcher, b. 1991, Venezuela)
- 2017: Altoona Curve, Eastern League (AA) - 1 game 3-Sep
- Mitch Moralez (utility, b. 1998, California)
- 2024: Billings Mustangs, Pioneer League (independent) - 1 game 5-Jul g2
- Brian Moran (pitcher, b. 1988, New York)
- 2015: Jackson Generals, Southern League (AA) - 1 game 25-Jul
- 2016: Bridgeport Bluefish, Atlantic League (independent) - 1 game 31-Jul g2
- 2018: Hartford Yard Goats, Eastern League (AA) - 1 game 25-Jul
- 2019: Miami Marlins, Major League Baseball - 1 game 27-Sep
- 2021: Durham Bulls, Triple-A East - 1 game 16-Jun
- Colin Moran (infielder, b. 1992, New York)
- 2018: Pittsburgh Pirates, Major League Baseball - 1 game 22-Sep
- 2021: Pittsburgh Pirates, Major League Baseball - 1 game 1-Oct
- Gary Moran (pitcher, b. 1985, California)
- 2014: Somerset Patriots, Atlantic League (independent) - 1 game 27-Sep
- Javon Moran (outfielder, b. 1982, Georgia)
- 2003: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 16-Aug
- 2004: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 3-Aug
- 2007: Reading Phillies, Eastern League (AA) - 1 game 6-Apr
- 2007: Ottawa Lynx, International League (AAA) - 1 game 28-Aug
- 2008: Reading Phillies, Eastern League (AA) - 1 game 4-Aug
- Jovani Moran (pitcher, b. 1997, Puerto Rico)
- 2019: Salt River Rafters, Arizona Fall League - 2 games 14-Oct 18-Oct
- 2022: Minnesota Twins, Major League Baseball - 1 game 5-May
- 2023: Minnesota Twins, Major League Baseball - 1 game 4-Apr
- Pat Moran (pitcher, b. 1986, Maine)
- 2011: Pittsfield Colonials, Can-Am League (independent) - 1 game 3-Aug
- 2013: Rockland Boulders, Can-Am League (independent) - 1 game 11-Aug
- Spencer Moran (pitcher, b. 1996, Iowa)
- 2017: Bowling Green Hot Rods, Midwest League (Low-A) - 1 game 21-Aug
- Mickey Morandini (infielder, b. 1966, Pennsylvania)
- 1993: Philadelphia Phillies, National League (MLB) - 1 game 2-Jul g1
- 1994: Philadelphia Phillies, National League (MLB) - 2 games 22-Jul g1 22-Jul g2
- 1995: Philadelphia Phillies, National League (MLB) - 1 game 23-Sep
- 1996: Philadelphia Phillies, National League (MLB) - 1 game 21-Sep
- 1997: Philadelphia Phillies, National League (MLB) - 1 game 15-Sep g1
- 1999: Chicago Cubs, National League (MLB) - 1 game 23-Jul
- 2000: Toronto Blue Jays, Major League Baseball - 2 games 25-Aug 13-Sep
- Francisco Morao (pitcher, b. 2005, Venezuela)
- 2024: FCL Orioles, Florida Complex League (rookie) - 1 game 3-Jun
- Jose Morban (infielder, b. 1979, Dominican Republic)
- Julio Morban (outfielder, b. 1992, Dominican Republic)
- 2009: AZL Mariners, Arizona League (rookie) - 1 game 25-Aug
- 2015: Jackson Generals, Southern League (AA) - 2 games 25-Jul 29-Jul
- Aneudis Mordan (catcher/first base, b. 2004, Dominican Republic)
- 2023: FCL Orioles, Florida Complex League (rookie) - 2 games 9-Jun 21-Aug
- 2023: Delmarva Shorebirds, Carolina League (Low-A) - 1 game 7-Sep
- 2024: Delmarva Shorebirds, Carolina League (Low-A) - 1 game 12-May
- Mike Mordecai (infielder, b. 1967, Alabama)
- 1991: Durham Bulls, Carolina League (High-A) - 1 game 15-Aug
- 1992: Richmond Braves, International League (AAA) - 1 game 8-Aug
- 1996: Atlanta Braves, National League (MLB) - 1 game 14-Sep
- 1997: Atlanta Braves, National League (MLB) - 1 game 28-Sep
- 1998: Montreal Expos, National League (MLB) - 1 game 20-Sep
- 1999: Montreal Expos, National League (MLB) - 1 game 3-Oct
- 2000: Montreal Expos, Major League Baseball - 1 game 11-Sep g2
- 2001: Montreal Expos, Major League Baseball - 1 game 5-Oct
- 2002: Florida Marlins, Major League Baseball - 1 game 3-Sep g2
- 2003: Florida Marlins, Major League Baseball - 2 games 18-Apr 6-Sep
- Nathan Moreau (pitcher, b. 1986, Georgia)
- 2010: Frederick Keys, Carolina League (High-A) - 1 game 7-Aug
- Adrian Morejon (pitcher, b. 1999, Cuba)
- 2024: San Diego Padres, Major League Baseball - 1 game 30-Aug
- Brent Morel (infielder, b. 1987, California)
- 2014: Indianapolis Indians, International League (AAA) - 2 games 25-May 23-Aug
- Christopher Morel (utility, b. 1999, Dominican Republic)
- Emmanuel Morel (infielder, b. 1997, Dominican Republic)
- 2016: GCL Twins, Gulf Coast League (rookie) - 1 game 27-Aug
- Jose Morel (pitcher, b. 1993, Dominican Republic)
- 2018: Dominican Republic, Can-Am League (independent) - 1 game 13-Jun
- Luis Morel (pitcher, b. 1992, Dominican Republic)
- 2012: Mahoning Valley Scrappers, New York-Penn League (short-season) - 1 game 5-Aug
- Rafael Morel (utility, b. 2001, Dominican Republic)
- 2023: Myrtle Beach Pelicans, Carolina League (Low-A) - 1 game 8-Sep
- Keith Moreland (utility, b. 1954, Texas)
- 1981: Philadelphia Phillies, National League (MLB) - 1 game 14-Aug
- 1984: Chicago Cubs, National League (MLB) - 1 game 8-Sep
- Mitch Moreland (first baseman, b. 1985, Mississippi)
- 2015: Texas Rangers, Major League Baseball - 1 game 22-May
- 2018: Boston Red Sox, Major League Baseball - 2 games 31-Mar 25-May
- 2019: Boston Red Sox, Major League Baseball - 1 game 21-Apr
- 2021: Oakland Athletics, Major League Baseball - 1 game 29-Apr
- Angel Moreno (outfielder, b. 1996, Dominican Republic)
- 2015: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 4-Aug
- Danny Moreno (pitcher, b. 1999, Venezuela)
- 2022: FCL Twins, Florida Complex League (rookie) - 1 game 1-Aug
- 2023: Fort Myers Mighty Mussels, Florida State League (Low-A) - 2 games 17-May 1-Sep g1
- 2024: Fort Myers Mighty Mussels, Florida State League (Low-A) - 2 games 9-Apr 12-Apr
- Edwin Moreno (pitcher, b. 1980, Venezuela)
- 2007: San Antonio Missions, Texas League (AA) - 1 game 15-Aug
- Edwin Moreno (pitcher, b. 2003, Venezuela)
- 2023: FCL Tigers, Florida Complex League (rookie) - 2 games 10-Jun 3-Aug
- Erling Moreno (pitcher, b. 1997, Colombia)
- 2021: Colombia, Americas Olympic Qualifier - 1 game 31-May
- Frank Moreno (pitcher, b. 2002, Venezuela)
- 2024: FCL Tigers, Florida Complex League (rookie) - 1 game 1-Jul
- Gabriel Moreno (catcher, b. 2000, Venezuela)
- 2021: Mesa Solar Sox, Arizona Fall League - 1 game 20-Oct
- Gerson Moreno (pitcher, b. 1995, Dominican Republic)
- 2016: Lakeland Flying Tigers, Florida State League (High-A) - 1 game 23-Aug g1
- Hansel Moreno (infielder, b. 1996, Dominican Republic)
- 2017: Kingsport Mets, Appalachian League (rookie) - 1 game 27-Aug
- 2018: Columbia Fireflies, South Atlantic League (Low-A) - 3 games 17-Jul 30-Aug 31-Aug
- 2019: St. Lucie Mets, Florida State League (High-A) - 4 games 11-Apr 14-Apr 15-Apr 23-Apr
- Jorge Moreno (first base/outfield, b. 1972, Dominican Republic)
- 1991: Bristol Tigers, Appalachian League (rookie) - 1 game 16-Aug
- 1993: Niagara Falls Rapids, New York-Penn League (short-season) - 1 game 21-Aug
- Jorge Moreno (outfielder, b. 1979, Venezuela)
- 1999: Mahoning Valley Scrappers, New York-Penn League (short-season) - 2 games 28-Aug 10-Sep
- 2005: Winnipeg Goldeyes, Northern League (independent) - 1 game 9-Aug
- 2008: Sussex Skyhawks, Can-Am League (independent) - 2 games 20-Aug 11-Sep
- 2009: Sussex Skyhawks, Can-Am League (independent) - 1 game 11-Aug
- Jose Moreno (pitcher, b. 2000, Venezuela)
- 2022: Palm Beach Cardinals, Florida State League (Low-A) - 2 games 15-Jun 19-Jun
- Juan Moreno (outfielder, b. 1976, Dominican Republic)
- 1997: Pittsfield Mets, New York-Penn League (short-season) - 2 games 25-Jul 4-Aug
- 2001: New Jersey Jackals, Northeast League (independent) - 2 games 1-Sep 21-Sep
- Juan Moreno (infielder, b. 1981, Dominican Republic)
- 2002: Missoula Osprey, Pioneer League (rookie) - 1 game 5-Aug
- Juan Moreno (infielder, b. 1994, Venezuela)
- 2014: AZL Angels, Arizona League (rookie) - 1 game 20-Jul
- Junior Moreno (catcher/first base, b. 1985, Dominican Republic)
- 2006: Lowell Spinners, New York-Penn League (short-season) - 1 game 13-Aug
- Koen Moreno (pitcher, b. 2001, North Carolina)
- 2023: Myrtle Beach Pelicans, Carolina League (Low-A) - 1 game 8-Sep
- Luis Moreno (pitcher, b. 1999, Dominican Republic)
- 2023: Binghamton Rumble Ponies, Eastern League (AA) - 1 game 26-Sep
- Luis Moreno (infielder, b. 2003, Venezuela)
- 2022: FCL Braves, Florida Complex League (rookie) - 1 game 13-Aug
- 2023: FCL Braves, Florida Complex League (rookie) - 1 game 8-Jul
- Orber Moreno (pitcher, b. 1977, Venezuela)
- 1998: Wichita Wranglers, Texas League (AA) - 1 game 22-Aug
- Raymundo Moreno (outfielder, b. 1998, Venezuela)
- Victor Moreno (pitcher, b. 1979, Venezuela)
- 2003: Fort Myers Miracle, Florida State League (High-A) - 1 game 31-Aug g2
- Williander Moreno (pitcher, b. 1999, Venezuela)
- 2019: GCL Tigers East, Gulf Coast League (rookie) - 1 game 19-Aug
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 23-Jun
- 2022: Lakeland Flying Tigers, Florida State League (Low-A) - 4 games 10-Jun 29-Jun 2-Jul 3-Sep g2
- Shea Morenz (outfielder, b. 1974, New Jersey)
- 1998: Norwich Navigators, Eastern League (AA) - 1 game 2-Aug
- Carlos Moreta (first base/outfield, b. 1983, Dominican Republic)
- Dauri Moreta (pitcher, b. 1996, Dominican Republic)
- 2019: Glendale Desert Dogs, Arizona Fall League - 1 game 15-Oct
- 2021: Cincinnati Reds, Major League Baseball - 1 game 1-Oct
- Edgar Moreta (pitcher, b. 2003, Dominican Republic)
- 2024: St. Lucie Mets, Florida State League (Low-A) - 1 game 8-Sep
- Ramon Moreta (outfielder, b. 1975, Dominican Republic)
- 2000: San Antonio Missions, Texas League (AA) - 1 game 23-Aug
- Adam Morgan (pitcher, b. 1990, Florida)
- 2018: Philadelphia Phillies, Major League Baseball - 2 games 14-Jun 28-Sep
- Dave Morgan (catcher/first base, b. 1971, Massachusetts)
- 1997: Knoxville Smokies, Southern League (AA) - 1 game 10-Aug
- David Morgan (pitcher, b. 1999, California)
- 2024: Peoria Javelinas, Arizona Fall League - 1 game 10-Oct
- Eli Morgan (pitcher, b. 1996, California)
- 2022: Cleveland Guardians, Major League Baseball - 1 game 28-Sep
- 2023: Cleveland Guardians, Major League Baseball - 1 game 30-Sep
- 2024: Cleveland Guardians, Major League Baseball - 1 game 25-Sep
- Gareth Morgan (outfielder, b. 1996, Ontario)
- 2021: Tri-City Dust Devils, High-A West - 1 game 10-Jul
- Jason Morgan (pitcher, b. 1996, Virginia)
- 2019: Great Falls Voyagers, Pioneer League (rookie) - 1 game 4-Jul
- Joe Morgan (infielder, b. 1943, Texas)
- 1976: Cincinnati Reds, National League (MLB) - 1 game 14-Aug
- 1983: Philadelphia Phillies, National League (MLB) - 1 game 5-Apr
- Joey Morgan (catcher, b. 1996, California)
- Josh Morgan (catcher/infielder, b. 1995, California)
- 2021: Arkansas Travelers, Double-A Central - 1 game 22-Jul
- Kevin Morgan (infielder, b. 1969, Louisiana)
- 1995: Binghamton Mets, Eastern League (AA) - 1 game 21-Jul
- 1996: Binghamton Mets, Eastern League (AA) - 2 games 9-Aug 25-Aug
- Lavelle Morgan (pitcher, b. 1980, Texas)
- 2004: Coastal Bend Aviators, Central League (independent) - 1 game 3-Jul
- Luke Morgan (outfielder, b. 1996, Illinois)
- 2019: Asheville Tourists, South Atlantic League (Low-A) - 1 game 28-May
- Matt Morgan (catcher/infielder, b. 1981, California)
- 2002: Missoula Osprey, Pioneer League (rookie) - 2 games 5-Aug 10-Aug
- 2004: Lancaster JetHawks, California League (High-A) - 1 game 7-Aug
- Matt Morgan (catcher, b. 1996, Alabama)
- 2017: Vancouver Canadians, Northwest League (short-season) - 1 game 4-Aug
- Nyjer Morgan (outfielder, b. 1980, California)
- 2003: Williamsport Crosscutters, New York-Penn League (short-season) - 1 game 19-Aug
- 2010: Washington Nationals, Major League Baseball - 2 games 2-Oct 3-Oct
- Shawn Morgan (pitcher, b. 1977, Texas)
- 2005: Coastal Bend Aviators, Central League (independent) - 1 game 18-Aug
- 2005: New Jersey Jackals, Can-Am League (independent) - 1 game 31-Aug
- Tre' Morgan (first base/outfield, b. 2002, Louisiana)
- 2024: Bowling Green Hot Rods, South Atlantic League (High-A) - 1 game 6-Aug
- 2024: Mesa Solar Sox, Arizona Fall League - 1 game 9-Oct
- Will Morgan (pitcher, b. 1985, California)
- 2007: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 5-Sep
- Mike Moriarty (infielder, b. 1974, New Jersey)
- 1997: New Britain Rock Cats, Eastern League (AA) - 2 games 5-Apr 3-Aug
- 2002: Rochester Red Wings, International League (AAA) - 1 game 26-Jul
- Alfred Morillo (pitcher, b. 2001, Dominican Republic)
- 2024: Salt River Rafters, Arizona Fall League - 1 game 10-Oct
- Cesar Morillo (infielder, b. 1973, Venezuela)
- 1998: Nashua Pride, Atlantic League (independent) - 2 games 4-Jul 5-Jul
- 1999: Newark Bears, Atlantic League (independent) - 3 games 31-May 21-Jul 6-Sep g1
- 2000: Round Rock Express, Texas League (AA) - 1 game 24-Aug
- Juan Morillo (pitcher, b. 1999, Venezuela)
- 2023: Great Lakes Loons, Midwest League (High-A) - 1 game 28-Jun
- Julian Morillo (infielder, b. 1991, Dominican Republic)
- 2012: Princeton Rays, Appalachian League (rookie) - 1 game 17-Aug g2
- 2013: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 14-Aug
- Luis Morillo (outfielder, b. 1978, Dominican Republic)
- 1998: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 11-Jul
- Shawn Morimando (pitcher, b. 1992, New York)
- 2015: Akron RubberDucks, Eastern League (AA) - 1 game 3-Jul
- 2018: Surprise Saguaros, Arizona Fall League - 1 game 10-Nov
- 2021: Jacksonville Jumbo Shrimp, Triple-A East - 1 game 23-Sep
- Mike Morin (pitcher, b. 1991, Minnesota)
- 2017: Los Angeles Angels of Anaheim, Major League Baseball - 1 game 21-Jun
- 2018: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 9-Aug
- Cody Morissette (infielder, b. 2000, New Hampshire)
- 2024: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Jun
- Jobu Morita (utility, b. 1980, Japan)
- Andrew Moritz (outfielder, b. 1996, Missouri)
- 2019: Rome Braves, South Atlantic League (Low-A) - 2 games 1-May 28-May
- 2022: Mississippi Braves, Southern League (AA) - 1 game 4-Aug
- 2024: Hagerstown Flying Boxcars, Atlantic League (independent) - 1 game 7-Aug
- Matt Morizio (catcher, then pitcher, b. 1983, Massachusetts)
- 2006: Idaho Falls Chukars, Pioneer League (rookie) - 1 game 25-Aug
- 2009: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 7-Sep
- Carlos Morla (pitcher, b. 1982, Dominican Republic)
- 2004: Augusta Greenjackets, South Atlantic League (Low-A) - 1 game 3-Aug
- Jorge Morla (pitcher, b. 2000, Dominican Republic)
- 2023: FCL Orioles, Florida Complex League (rookie) - 1 game 21-Aug
- Ramon Morla (infielder, b. 1989, Dominican Republic)
- 2009: AZL Mariners, Arizona League (rookie) - 1 game 25-Aug
- P.J. Morlando (outfielder, b. 2005, Maryland)
- 2024: Jupiter Hammerheads, Florida State League (Low-A) - 1 game 2-Aug
- Russ Morman (first baseman, b. 1962, Missouri)
- 1994: Edmonton Trappers, Pacific Coast League (AAA) - 1 game 31-Aug
- 1996: Charlotte Knights, International League (AAA) - 1 game 31-Aug
- 1997: Florida Marlins, National League (MLB) - 1 game 27-Sep
- Justin Morneau (first baseman, b. 1981, British Columbia)
- 2002: New Britain Rock Cats, Eastern League (AA) - 1 game 30-Jun
- 2003: Rochester Red Wings, International League (AAA) - 1 game 15-Aug
- 2004: Minnesota Twins, Major League Baseball - 1 game 6-Oct
- 2006: Minnesota Twins, Major League Baseball - 1 game 6-Aug
- 2013: Minnesota Twins, Major League Baseball - 1 game 18-Aug
- 2013: Pittsburgh Pirates, Major League Baseball - 1 game 1-Sep
- 2014: Colorado Rockies, Major League Baseball - 1 game 9-Sep
- Max Moroff (infielder, b. 1993, Florida)
- 2013: West Virginia Power, South Atlantic League (Low-A) - 1 game 8-Aug
- 2015: Altoona Curve, Eastern League (AA) - 1 game 22-Aug
- Jonathan Moroney (outfielder, b. 1993, Texas)
- 2019: Texas AirHogs, American Association (independent) - 1 game 6-Jun
- Reyes Moronta (pitcher, b. 1993, Dominican Republic)
- 2023: Salt Lake Bees, Pacific Coast League (AAA) - 1 game 8-Aug
- Robert Morosetti (infielder, b. 1999, Pennsylvania)
- 2021: Roswell Invaders, Pecos League (independent) - 1 game 20-Jul
- Jason Morozowski (outfielder, b. 1994, Florida)
- 2017: Visalia Rawhide, California League (High-A) - 1 game 1-Aug
- Hueston Morrill (pitcher, b. 1999, Florida)
- 2023: Tampa Tarpons, Florida State League (Low-A) - 1 game 12-Aug
- Aaron Morris (first baseman, b. 1971, Ohio)
- 1991: Watertown Indians, New York-Penn League (short-season) - 1 game 11-Aug
- Adam Morris (infielder, b. 1982, Texas)
- 2005: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 27-Jun
- 2006: State College Spikes, New York-Penn League (short-season) - 1 game 4-Jul
- Akeel Morris (pitcher, b. 1992, U.S. Virgin Islands)
- 2013: Brooklyn Cyclones, New York-Penn League (short-season) - 1 game 14-Aug
- 2016: Salt River Rafters, Arizona Fall League - 2 games 11-Oct 13-Oct
- Andrew Morris (pitcher, b. 2001, New York)
- 2023: Fort Myers Mighty Mussels, Florida State League (Low-A) - 1 game 9-Jun
- Bobby Morris (infielder, b. 1972, Indiana)
- 1997: Akron Aeros, Eastern League (AA) - 1 game 29-Jun
- 2000: Chattanooga Lookouts, Southern League (AA) - 1 game 1-Aug
- Bryan Morris (pitcher, b. 1987, Tennessee)
- 2011: Altoona Curve, Eastern League (AA) - 1 game 27-Aug
- 2013: Pittsburgh Pirates, Major League Baseball - 1 game 1-Sep
- 2015: Miami Marlins, Major League Baseball - 1 game 16-Sep
- Chris Morris (outfielder, b. 1979, South Carolina)
- 2000: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 4-Sep
- Christian Morris (pitcher, b. 1994, Florida)
- 2016: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 3-Sep
- Cody Morris (pitcher, b. 1996, Maryland)
- 2021: Columbus Clippers, Triple-A East - 1 game 8-Aug
- Cory Morris (pitcher, b. 1979, Texas)
- 2005: Bowie Baysox, Eastern League (AA) - 1 game 14-Jun
- Greg Morris (infielder, b. 1972, California)
- 1994: Boise Hawks, Northwest League (short-season) - 1 game 8-Sep
- Hal Morris (first base/outfield, b. 1965, Alabama)
- 1993: Cincinnati Reds, National League (MLB) - 2 games 18-Aug 24-Aug
- 2000: Detroit Tigers, Major League Baseball - 2 games 22-Jul day 25-Sep
- Hunter Morris (first baseman, b. 1988, Alabama)
- 2011: Brevard County Manatees, Florida State League (High-A) - 1 game 10-Aug
- 2013: Nashville Sounds, Pacific Coast League (AAA) - 2 games 21-Jul 23-Jul
- 2014: Huntsville Stars, Southern League (AA) - 1 game 20-Aug
- 2014: Nashville Sounds, Pacific Coast League (AAA) - 2 games 21-Aug g1 21-Aug g2
- Jack Morris (pitcher, b. 1955, Minnesota)
- 1992: Toronto Blue Jays, American League (MLB) - 1 game 27-Sep
- Jacob Morris (outfielder, b. 1990, Texas)
- 2014: Kannapolis Intimidators, South Atlantic League (Low-A) - 1 game 9-Aug
- James Morris (pitcher, b. 1983, Illinois)
- 2006: Billings Mustangs, Pioneer League (rookie) - 1 game 26-Aug
- Jed Morris (catcher, b. 1980, Oregon)
- 2004: Modesto A's, California League (High-A) - 3 games 11-Aug 19-Aug g1 19-Aug g2
- 2009: Lancaster Barnstormers, Atlantic League (independent) - 1 game 12-Aug
- Jeremy Morris (outfielder, b. 1974, Georgia)
- 1998: Tampa Yankees, Florida State League (High-A) - 1 game 8-Aug g2
- 1999: Norwich Navigators, Eastern League (AA) - 2 games 29-Apr 12-Sep
- Matt Morris (pitcher, b. 1974, New York)
- 2001: St. Louis Cardinals, Major League Baseball - 1 game 29-Jul
- 2004: St. Louis Cardinals, Major League Baseball - 1 game 25-Jul
- Matt Morris (outfielder, b. 1985, California)
- 2007: Staten Island Yankees, New York-Penn League (short-season) - 2 games 22-Jul 10-Sep
- Michael Morris (infielder, b. 1991)
- 2014: Trinidad Triggers, Pecos League (independent) - 1 game 22-Jul
- PK Morris (first baseman, b. 1998, Florida)
- Seth Morris (outfielder, b. 1980, Ohio)
- 2002: Bristol Sox, Appalachian League (rookie) - 1 game 14-Jul
- Tanner Morris (infielder, b. 1997, Virginia)
- 2022: New Hampshire Fisher Cats, Eastern League (AA) - 1 game 4-May
- 2022: Salt River Rafters, Arizona Fall League - 3 games 12-Oct 13-Oct 14-Oct
- Ty Morris (outfielder, b. 1993, California)
- 2017: Normal CornBelters, Frontier League (independent) - 1 game 31-Aug
- Warren Morris (infielder, b. 1974, Louisiana)
- 1999: Pittsburgh Pirates, National League (MLB) - 1 game 2-Oct
- 2001: Pittsburgh Pirates, Major League Baseball - 1 game 27-Jul
- Zach Morris (pitcher, b. 1993, Maryland)
- 2016: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 7-Sep 15-Sep
- Erik Morrison (pitcher, b. 1982, California)
- 2005: Staten Island Yankees, New York-Penn League (short-season) - 1 game 26-Aug g2
- 2008: Bakersfield Blaze, California League (High-A) - 1 game 2-Aug
- Greg Morrison (first base/outfield, b. 1976, Saskatchewan)
- 1998: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 11-Jul
- 2000: New Jersey Jackals, Northeast League (independent) - 1 game 4-Jul
- 2005: Calgary Vipers, Northern League (independent) - 2 games 9-Aug 12-Aug
- James Morrison (pitcher, b. 1981, Florida)
- 2006: Kansas City T-bones, Northern League (independent) - 1 game 5-Aug
- Keith Morrison (pitcher, b. 1969)
- 1992: Rockford Expos, Midwest League (Low-A) - 1 game 13-Aug
- Kyle Morrison (pitcher, b. 1987, New Jersey)
- 2011: Newark Bears, Can-Am League (independent) - 2 games 8-Jun 3-Aug
- Logan Morrison (first base/outfield, b. 1987, Missouri)
- 2007: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 5-Apr
- 2010: Florida Marlins, Major League Baseball - 1 game 6-Sep day
- 2013: Miami Marlins, Major League Baseball - 1 game 13-Sep
- 2014: Seattle Mariners, Major League Baseball - 1 game 18-Aug
- 2017: Tampa Bay Rays, Major League Baseball - 2 games 11-Sep 24-Sep
- 2018: Minnesota Twins, Major League Baseball - 1 game 25-Apr
- 2019: Philadelphia Phillies, Major League Baseball - 2 games 26-Sep 27-Sep
- Mike Morrison (pitcher, b. 1993, Florida)
- 2018: Winston-Salem Dash, Carolina League (High-A) - 1 game 1-Sep
- Scott Morrison (infielder, b. 1972, Ohio)
- 1997: Savannah Sand Gnats, South Atlantic League (Low-A) - 1 game 12-Aug g2
- Ty Morrison (outfielder, b. 1990, Virginia)
- 2015: Laredo Lemurs, American Association (independent) - 1 game 31-Jul
- Adam Morrissey (infielder, b. 1981, Australia)
- 2003: Midland Rockhounds, Texas League (AA) - 1 game 9-Aug
- 2004: Sacramento RiverCats, Pacific Coast League (AAA) - 2 games 9-Apr 21-Aug
- 2007: Arkansas Travelers, Texas League (AA) - 1 game 8-Aug
- Brandon Morrow (pitcher, b. 1984, California)
- 2016: San Diego Padres, Major League Baseball - 2 games 13-Aug 1-Sep
- 2018: Chicago Cubs, Major League Baseball - 1 game 30-Mar
- Bryan Morse (pitcher, b. 1977, Maryland)
- 2003: North Shore Spirit, Northeast League (independent) - 1 game 21-Jul
- Colin Morse (pitcher, b. 1996, Virginia)
- 2018: Auburn Doubledays, New York-Penn League (short-season) - 1 game 27-Jul
- Dan Morse (outfielder, b. 1977)
- 2001: Johnstown Johnnies, Frontier League (independent) - 1 game 7-Jul
- Mike Morse (utility, b. 1982, Florida)
- 2001: Bristol Sox, Appalachian League (rookie) - 1 game 5-Aug
- 2009: Washington Nationals, Major League Baseball - 1 game 18-Sep
- 2010: Washington Nationals, Major League Baseball - 2 games 2-Oct 3-Oct
- 2011: Washington Nationals, Major League Baseball - 1 game 30-May
- 2012: Washington Nationals, Major League Baseball - 3 games 4-Jul 19-Aug 11-Sep
- Paul Morse (pitcher, b. 1973, Ohio)
- 1997: New Britain Rock Cats, Eastern League (AA) - 1 game 5-Apr
- Phil Morse (pitcher, b. 1994, Virginia)
- 2018: Hagerstown Suns, South Atlantic League (Low-A) - 1 game 4-Jul
- Robert Morseman (pitcher, b. 1974, Pennsylvania)
- 1996: Frederick Keys, Carolina League (High-A) - 1 game 26-Jul
- Jared Mortensen (pitcher, b. 1988, British Columbia)
- 2015: Montgomery Biscuits, Southern League (AA) - 1 game 28-Jul
- 2018: Kansas City T-bones, American Association (independent) - 1 game 24-Aug
- Mark Mortimer (catcher, b. 1975, Georgia)
- 1999: Myrtle Beach Pelicans, Carolina League (High-A) - 2 games 8-Aug 13-Aug
- Mike Mortimer (pitcher, b. 1973)
- 1994: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 26-Jul
- Steve Mortimer (first base/outfield, b. 1981, Ohio)
- 2006: Potomac Nationals, Carolina League (High-A) - 1 game 29-Jul
- Charlie Morton (pitcher, b. 1983, New Jersey)
- 2019: Tampa Bay Rays, Major League Baseball - 1 game 3-Apr
- 2021: Atlanta Braves, Major League Baseball - 2 games 1-May 28-Sep
- 2022: Atlanta Braves, Major League Baseball - 2 games 3-May g1 25-Sep
- 2023: Atlanta Braves, Major League Baseball - 1 game 7-Jun
- Colt Morton (catcher, b. 1982, Florida)
- 2004: Eugene Emeralds, Northwest League (short-season) - 1 game 14-Aug
- 2007: San Antonio Missions, Texas League (AA) - 1 game 15-Aug
- Kadon Morton (outfielder, b. 2000, Arkansas)
- Kevin Morton (pitcher, b. 1968, Connecticut)
- 1991: Boston Red Sox, American League (MLB) - 1 game 12-Sep
- Frank Moscatiello (pitcher, b. 1996)
- 2018: Rockland Boulders, Can-Am League (independent) - 2 games 11-Jul 5-Sep
- Guillermo Moscoso (pitcher, b. 1983, Venezuela)
- 2008: Erie SeaWolves, Eastern League (AA) - 1 game 31-Aug
- Victor Moscote (first baseman, b. 1994, Panama)
- 2016: GCL Mets, Gulf Coast League (rookie) - 1 game 29-Aug g1
- Lloyd Moseby (outfielder, b. 1959, Arkansas)
- 1990: Detroit Tigers, American League (MLB) - 2 games 13-Aug 15-Aug
- Lydell Moseby (first baseman, b. 1991, California)
- 2014: Bluefield Blue Jays, Appalachian League (rookie) - 1 game 19-Aug
- Todd Moser (pitcher, b. 1976, New York)
- 2005: Somerset Patriots, Atlantic League (independent) - 1 game 1-Oct
- Trenton Moses (infielder, b. 1989, Missouri)
- 2013: Rome Braves, South Atlantic League (Low-A) - 1 game 26-May
- Alex Moshier (pitcher, b. 1989, Texas)
- 2012: Hudson Valley Renegades, New York-Penn League (short-season) - 3 games 9-Sep 12-Sep 13-Sep
- Daniel Moskos (pitcher, b. 1986, South Carolina)
- 2010: Altoona Curve, Eastern League (AA) - 1 game 18-Sep
- 2010: Indianapolis Indians, International League (AAA) - 1 game 30-Jul
- Danny Moskovits (pitcher, b. 1990)
- 2015: New Jersey Jackals, Can-Am League (independent) - 2 games 19-Jun 21-Aug
- Tim Mosley (pitcher, b. 1974)
- 1995: Williamsport Cubs, New York-Penn League (short-season) - 1 game 16-Jul
- Diego Mosquera (infielder, b. 2004, Venezuela)
- 2023: St. Lucie Mets, Florida State League (Low-A) - 1 game 24-Aug
- Julio Mosquera (catcher, b. 1972, Panama)
- 1999: Orlando Rays, Southern League (AA) - 1 game 3-Jul
- 2001: Norwich Navigators, Eastern League (AA) - 2 games 29-Apr 15-Jul
- Andrew Moss (pitcher, b. 1986, Missouri)
- 2010: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 5-Aug
- Brandon Moss (first base/outfield, b. 1983, Georgia)
- 2004: Augusta Greenjackets, South Atlantic League (Low-A) - 1 game 3-Aug
- 2005: Portland Sea Dogs, Eastern League (AA) - 1 game 10-Sep
- 2006: Portland Sea Dogs, Eastern League (AA) - 1 game 7-Sep
- 2010: Indianapolis Indians, International League (AAA) - 1 game 30-Jul
- 2010: Pittsburgh Pirates, Major League Baseball - 1 game 15-Sep
- 2011: Lehigh Valley IronPigs, International League (AAA) - 3 games 5-Aug 17-Aug 16-Sep
- 2012: Oakland Athletics, Major League Baseball - 1 game 22-Sep
- 2015: St. Louis Cardinals, Major League Baseball - 1 game 1-Aug
- 2016: St. Louis Cardinals, Major League Baseball - 1 game 29-May
- Callan Moss (first baseman, b. 2003, New York)
- 2024: Columbia Fireflies, Carolina League (Low-A) - 1 game 11-Aug g1
- Damian Moss (pitcher, b. 1976, Australia)
- 2002: Atlanta Braves, Major League Baseball - 1 game 29-Sep
- 2009: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 22-Aug
- Jack Moss (first baseman, b. 2001, Colorado)
- J.B. Moss (outfielder, b. 1993, Texas)
- 2017: Boise Hawks, Northwest League (short-season) - 1 game 5-Aug
- Rick Moss (infielder, b. 1975, Illinois)
- 1997: Fort Wayne Wizards, Midwest League (Low-A) - 1 game 5-Jul
- 1998: New Britain Rock Cats, Eastern League (AA) - 2 games 2-Aug 17-Sep
- Scott Moss (pitcher, b. 1994, Florida)
- 2022: Clearwater Threshers, Florida State League (Low-A) - 1 game 27-Jul
- Steve Moss (outfielder, b. 1984, California)
- 2008: Long Beach Armada, Golden League (independent) - 1 game 27-Jul
- 2010: Bridgeport Bluefish, Atlantic League (independent) - 2 games 15-Aug 2-Oct
- 2011: Bridgeport Bluefish, Atlantic League (independent) - 1 game 18-Sep
- 2012: Sugar Land Skeeters, Atlantic League (independent) - 1 game 25-Jul
- 2013: Sugar Land Skeeters, Atlantic League (independent) - 1 game 20-Sep
- Tim Moss (infielder, b. 1982, Texas)
- 2003: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 16-Aug
- 2004: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 3-Aug
- 2006: Reading Phillies, Eastern League (AA) - 1 game 14-Apr
- Matt Mossey (pitcher, b. 1986)
- 2010: Fargo-Moorhead RedHawks, Northern League (independent) - 1 game 23-Aug
- Carlos Mota (catcher, b. 1968, Dominican Republic)
- 1989: Watertown Indians, New York-Penn League (short-season) - 1 game 2-Sep
- 1998: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 22-Jul
- Cristian Mota (infielder, b. 1976, Dominican Republic)
- 1996: Burlington Indians, Appalachian League (rookie) - 2 games 27-Jul g1 27-Jul g2
- 1997: Watertown Indians, New York-Penn League (short-season) - 1 game 25-Jul
- Gary Mota (outfielder, b. 1970, Dominican Republic)
- 1993: Jackson Generals, Texas League (AA) - 1 game 14-Aug
- Guillermo Mota (pitcher, b. 1973, Dominican Republic)
- 1998: Harrisburg Senators, Eastern League (AA) - 1 game 17-Sep
- 2000: Montreal Expos, Major League Baseball - 1 game 11-Sep g2
- 2001: Montreal Expos, Major League Baseball - 1 game 5-Oct
- 2006: New York Mets, Major League Baseball - 1 game 22-Sep
- 2007: New York Mets, Major League Baseball - 1 game 16-Sep
- Jonathan Mota (infielder, b. 1987, Venezuela)
- 2011: Tennessee Smokies, Southern League (AA) - 1 game 12-Aug
- Manny Mota (outfielder, b. 1938, Dominican Republic)
- 1968: Pittsburgh Pirates, National League (MLB) - 1 game 15-Sep
- Sandy Mota (outfielder, b. 1996, Dominican Republic)
- Tony Mota (outfielder, b. 1977, California)
- 2003: Bridgeport Bluefish, Atlantic League (independent) - 1 game 3-Aug
- 2005: Fort Worth Cats, Central League (independent) - 1 game 3-Sep
- Darryl Motley (outfielder, b. 1960, Oklahoma)
- 1990: Oklahoma City 89ers, American Association (AAA) - 1 game 18-Aug
- Mel Motley (outfielder, b. 1974, California)
- 1996: Watertown Indians, New York-Penn League (short-season) - 1 game 6-Jul
- 1997: Columbus RedStixx, South Atlantic League (Low-A) - 1 game 12-Aug g1
- Rafael Motooka (catcher, b. 1982, Brazil)
- 2002: Billings Mustangs, Pioneer League (rookie) - 1 game 4-Aug
- Jason Motte (pitcher, b. 1982, Michigan)
- 2003: Peoria Chiefs, Midwest League (Low-A) - 1 game 31-Jul
- 2007: Springfield Cardinals, Texas League (AA) - 1 game 15-Aug
- 2017: Atlanta Braves, Major League Baseball - 2 games 25-Sep g1 27-Sep
- Taylor Motter (utility, b. 1989, Florida)
- 2016: Durham Bulls, International League (AAA) - 2 games 21-Aug 1-Sep
- 2017: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 6-Aug
- 2017: Seattle Mariners, Major League Baseball - 1 game 22-Aug
- 2018: Rochester Red Wings, International League (AAA) - 1 game 2-Aug
- 2019: Midland RockHounds, Texas League (AA) - 2 games 11-Jul 22-Jul
- 2022: Gwinnett Stripers, International League (AAA) - 1 game 30-Aug
- 2023: Memphis Redbirds, International League (AAA - 1 game 6-Jun
- Chad Mottola (outfielder, b. 1971, Georgia)
- 1996: Indianapolis Indians, American Association (AAA) - 1 game 12-Aug
- 2002: Syracuse SkyChiefs, International League (AAA) - 1 game 1-Sep
- Billy Mottram (utility, b. 1984, Massachusetts)
- 2010: Florence Freedom, Frontier League (independent) - 1 game 3-Sep
- 2011: Pittsfield Colonials, Can-Am League (independent) - 1 game 3-Aug
- Tony Mounce (pitcher, b. 1975, California)
- 1999: New Orleans Zephyrs, Pacific Coast League (AAA) - 1 game 4-Jul
- Drew Mount (outfielder, b. 1996, California)
- 2019: Daytona Tortugas, Florida State League (High-A) - 1 game 21-Aug
- 2021: Chattanooga Lookouts, Double-A South - 1 game 5-Aug
- 2021: Surprise Saguaros, Arizona Fall League - 2 games 16-Oct 21-Oct
- Ryan Mount (infielder, b. 1986, California)
- 2006: Orem Owlz, Pioneer League (rookie) - 1 game 26-Aug
- Ryan Mountcastle (first baseman, b. 1997, Florida)
- J.R. Mounts (outfielder, b. 1978, Florida)
- 1998: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 29-Aug
- Mike Moustakas (infielder, b. 1988, California)
- 2009: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 7-Sep
- 2011: Kansas City Royals, Major League Baseball - 1 game 4-Sep
- 2014: Kansas City Royals, Major League Baseball - 1 game 5-Sep
- 2015: Kansas City Royals, Major League Baseball - 1 game 31-Oct
- 2018: Milwaukee Brewers, Major League Baseball - 1 game 22-Sep
- 2019: Milwaukee Brewers, Major League Baseball - 1 game 4-Jun
- 2021: Cincinnati Reds, Major League Baseball - 1 game 18-Sep
- James Mouton (outfielder, b. 1968, Colorado)
- 1994: Houston Astros, National League (MLB) - 2 games 15-Apr 16-Apr
- 1999: Montreal Expos, National League (MLB) - 1 game 3-Oct
- 2001: Milwaukee Brewers, Major League Baseball - 1 game 19-Aug
- Lyle Mouton (outfielder, b. 1969, Louisiana)
- 1992: Albany-Colonie Yankees, Eastern League (AA) - 1 game 7-Aug
- Chris Mowday (pitcher, b. 1981, Australia)
- 2000: Queens Kings, New York-Penn League (short-season) - 1 game 9-Sep
- David Mowry (first baseman, b. 1971, California)
- 1994: Rancho Cucamonga Quakes, California League (High-A) - 2 games 29-Aug 3-Sep
- Ever Moya (pitcher, b. 1999, Panama)
- 2019: Grand Junction Rockies, Pioneer League (rookie) - 1 game 7-Jul
- Gabriel Moya (pitcher, b. 1995, Venezuela)
- 2018: Minnesota Twins, Major League Baseball - 1 game 19-Sep
- 2019: Pensacola Blue Wahoos, Southern League (AA) - 1 game 15-Aug
- 2021: Venezuela, Americas Olympic Qualifier - 1 game 1-Jun
- Steven Moya (outfielder, b. 1991, Puerto Rico)
- 2014: Erie SeaWolves, Eastern League (AA) - 1 game 4-Jul
- 2014: Glendale Desert Dogs, Arizona Fall League - 1 game 9-Oct
- Jamie Moyer (pitcher, b. 1962, Pennsylvania)
- 2009: Philadelphia Phillies, Major League Baseball - 1 game 29-Sep
- Steven Moyers (pitcher, b. 1993, Connecticut)
- 2021: Arkansas Travelers, Double-A Central - 1 game 15-Sep
- 2022: Charlotte Knights, International League (AAA) - 1 game 16-Jul
- Dan Moylan (catcher, b. 1979, New Hampshire)
- 2000: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 4-Sep
- 2001: New Jersey Cardinals, New York-Penn League (short-season) - 2 games 19-Jul 26-Aug
- 2005: Springfield Cardinals, Texas League (AA) - 1 game 14-Aug
- Josh Moylan (first baseman, b. 2002, Maryland)
- 2023: Tampa Tarpons, Florida State League (Low-A) - 1 game 12-Aug
- Peter Moylan (pitcher, b. 1978, Australia)
- 2007: Atlanta Braves, Major League Baseball - 1 game 11-Sep
- Mike Moyle (catcher, b. 1971, Australia)
- 1997: Akron Aeros, Eastern League (AA) - 1 game 23-Aug night
- 1999: Bridgeport Bluefish, Atlantic League (independent) - 1 game 20-Jun
- Chad Mozingo (outfielder, b. 1988, Texas)
- 2015: Fargo-Moorhead RedHawks, American Association (independent) - 1 game 15-Jul
- Dan Mozingo (pitcher, b. 1980, Ohio)
- 2000: Bristol Sox, Appalachian League (rookie) - 1 game 29-Jul
- 2005: Shreveport Sports, Central League (independent) - 1 game 16-Aug
- Zack Mozingo (pitcher, b. 1994, North Carolina)
- 2017: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 9-Sep
- Frank Mozzicato (pitcher, b. 2003, Connecticut)
- 2022: Columbia Fireflies, Carolina League (Low-A) - 1 game 22-Jun
- Christian Mracna (pitcher, b. 2000, Florida)
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 2 games 21-Aug 24-Aug
- Kelcey Mucker (outfielder, b. 1975, Indiana)
- 1998: New Britain Rock Cats, Eastern League (AA) - 2 games 30-Aug 17-Sep
- Josh Muecke (pitcher, b. 1982, California)
- 2007: Corpus Christi Hooks, Texas League (AA) - 1 game 8-Aug
- 2009: Round Rock Express, Pacific Coast League (AAA) - 1 game 15-Aug
- Bill Mueller (infielder, b. 1971, Missouri)
- 1994: San Jose Giants, California League (High-A) - 1 game 6-Sep
- 1995: Phoenix Firebirds, Pacific Coast League (AAA) - 1 game 13-Aug
- 1997: San Francisco Giants, National League (MLB) - 2 games 31-Aug 1-Sep
- 2000: San Francisco Giants, Major League Baseball - 1 game 2-Sep
- 2003: Boston Red Sox, Major League Baseball - 1 game 29-Jun
- Bret Mueller (outfielder, b. 1973)
- 1995: New Jersey Cardinals, New York-Penn League (short-season) - 1 game 25-Jun
- Jon Mueller (first base/outfield, b. 1970, New York)
- 1998: Albany-Colonie Diamond Dogs, Northeast League (independent) - 1 game 22-Jul
- MacKenzie [Mack] Mueller (outfielder, b. 1997, Texas)
- Jeffrey Muessig (pitcher, b. 1982, New York)
- 2004: Modesto A's, California League (High-A) - 1 game 19-Aug g2
- Zander Mueth (pitcher, b. 2005, Illinois)
- 2024: FCL Pirates, Florida Complex League (rookie) - 1 game 4-May
- El-Hajj Muhammad (pitcher, b. 1991, New Jersey)
- 2017: Sussex County Miners, Can-Am League (independent) - 1 game 11-Aug
- 2018: Sussex County Miners, Can-Am League (independent) - 1 game 8-Sep
- Jeremiah Muhammad (pitcher, b. 1994, New Jersey)
- 2017: Great Lakes Loons, Midwest League (Low-A) - 1 game 19-Aug
- Edward Mujica (pitcher, b. 1984, Venezuela)
- 2013: St. Louis Cardinals, Major League Baseball - 1 game 1-Sep
- 2014: Boston Red Sox, Major League Baseball - 1 game 18-Apr
- 2016: Lehigh Valley IronPigs, International League (AAA) - 1 game 30-May
- 2018: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 18-Sep
- Jose Mujica (catcher, b. 2001, Venezuela)
- 2023: Stockton Ports, California League (Low-A) - 1 game 10-Aug
- Pablo Mujica (pitcher, b. 2001, Venezuela)
- 2023: FCL Yankees, Florida Complex League (rookie) - 1 game 16-Jun
- Yadil Mujica (infielder, b. 1985, Cuba)
- 2012: Trenton Thunder, Eastern League (AA) - 1 game 4-Jul
- Jerry Mulderig (pitcher, b. 1992, Pennsylvania)
- 2015: West Virginia Black Bears, New York-Penn League (short-season) - 1 game 8-Aug
- Jonathon Mulford (pitcher, b. 1994, New York)
- 2016: GCL Cardinals, Gulf Coast League (rookie) - 1 game 29-Aug g1
- Ryan Mulhern (first base/outfield, b. 1980, California)
- 2009: Lancaster Barnstormers, Atlantic League (independent) - 1 game 12-Aug
- 2010: Lancaster Barnstormers, Atlantic League (independent) - 2 games 18-Aug 19-Aug
- Terry Mulholland (pitcher, b. 1963, Pennsylvania)
- 1991: Philadelphia Phillies, National League (MLB) - 1 game 29-Sep
- 1992: Philadelphia Phillies, National League (MLB) - 1 game 22-Aug
- 1993: Philadelphia Phillies, National League (MLB) - 1 game 2-Jul g1
- 1996: Philadelphia Phillies, National League (MLB) - 1 game 28-Jun
- 1997: San Francisco Giants, National League (MLB) - 1 game 31-Aug
- Mike Mullen (pitcher, b. 1988)
- Robert Mullen (catcher/first base, b. 1996, Panama)
- 2018: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 29-Jul
- Sean Mullen (pitcher, b. 1999, California)
- 2022: Bowling Green Hot Rods, South Atlantic League (High-A) - 1 game 16-Aug
- Scott Mullen (pitcher, b. 1975, Texas)
- 2002: Kansas City Royals, Major League Baseball - 1 game 21-Jun
- Matt Mullenbach (pitcher, b. 1996, Iowa)
- 2021: Fort Myers Mighty Mussels, Low-A Southeast - 1 game 18-Aug
- 2022: Cedar Rapids Kernels, Midwest League (High-A) - 1 game 12-Jul
- Chris Muller (pitcher, b. 1996, Texas)
- 2023: Durham Bulls, International League (AAA) - 1 game 9-May
- 2023: FCL Rays, Florida Complex League (rookie) - 1 game 8-Jul
- John Muller (pitcher, b. 1984, New York)
- 2010: Rockford RiverHawks, Northern League (independent) - 1 game 4-Sep
- Kyle Muller (pitcher, b. 1997, Texas)
- 2017: Danville Braves, Appalachian League (rookie) - 1 game 28-Aug
- 2019: Mississippi Braves, Southern League (AA) - 1 game 28-Jul
- Sean Mulligan (catcher, b. 1970, California)
- 1992: Waterloo Diamonds, Midwest League (Low-A) - 2 games 16-Aug g1
- 2001: Camden Riversharks, Atlantic League (independent) - 1 game 13-May
- 2002: Somerset Patriots, Atlantic League (independent) - 1 game 13-Sep
- Jacob Mullinax (infielder, b. 1982, California)
- Cedric Mullins (outfielder, b. 1994, North Carolina)
- 2018: Bowie Baysox, Eastern League (AA) - 1 game 28-May
- 2018: Baltimore Orioles, Major League Baseball - 2 games 29-Sep g1 29-Sep g2
- 2019: Norfolk Tides, International League (AAA) - 1 game 27-May
- 2021: Baltimore Orioles, Major League Baseball - 3 games 16-Aug 19-Aug 29-Sep
- 2022: Baltimore Orioles, Major League Baseball - 2 games 9-Apr 5-May
- 2024: Baltimore Orioles, Major League Baseball - 5 games 7-Jun 8-Jun 9-Jun 10-Jun 18-Sep
- Jake Mullis (pitcher, b. 1981, North Carolina)
- 2005: North Shore Spirit, Can-Am League (independent) - 1 game 25-Jun
- Anthony Mulrine (catcher, b. 1998, Florida)
- 2021: Glendale Desert Dogs, Arizona Fall League - 1 game 16-Oct
- Chase Mulvehill (outfielder, b. 1978, Alabama)
- 1998: Pittsfield Mets, New York-Penn League (short-season) - 1 game 30-Jul
- Rob Mummau (infielder, b. 1971, Pennsylvania)
- 2001: Nashua Pride, Atlantic League (independent) - 1 game 22-Sep
- Max Muncy (infielder, b. 1990, Texas)
- 2015: Nashville Sounds, Pacific Coast League (AAA) - 1 game 27-Jul
- 2018: Los Angeles Dodgers, Major League Baseball - 1 game 20-Aug
- 2019: Los Angeles Dodgers, Major League Baseball - 1 game 21-May
- 2020: Los Angeles Dodgers, Major League Baseball - 1 game 13-Oct
- 2021: Los Angeles Dodgers, Major League Baseball - 1 game 18-Sep
- Max Muncy (infielder, b. 2002, California)
- 2023: Lansing Lugnuts, Midwest League (High-A) - 1 game 28-Jun 14-Oct
- 2023: Mesa Solar Sox, Arizona Fall League - 2 games 11-Oct
- Brian Mundell (first base/outfield, b. 1994, California)
- 2018: Hartford Yard Goats, Eastern League (AA) - 3 games 9-May 26-May g2 25-Jul
- 2019: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 12-Jul
- Garrett Mundell (pitcher, b. 1993, California)
- 2018: Staten Island Yankees, New York-Penn League (short-season) - 1 game 15-Jun
- J.D. Mundy (first baseman, b. 1998, Virginia)
- 2022: Bowie Baysox, Eastern League (AA) - 2 games 5-May 24-Jun
- Ismael Munguia (outfielder, b. 1998, Nicaragua)
- 2018: Augusta GreenJackets, South Atlantic League (Low-A) - 1 game 31-Aug
- 2019: Augusta GreenJackets, South Atlantic League (Low-A) - 1 game 12-Aug
- 2021: Nicaragua, Americas Olympic Qualifier - 1 game 2-Jun
- 2021: Eugene Emeralds, High-A West - 1 game 13-Jul
- Bryan Muniz (first baseman, b. 1993, Florida)
- 2015: Quad Cities River Bandits, Midwest League (Low-A) - 2 games 3-Sep 5-Sep
- Juan Carlos Muniz (outfielder, b. 1976, Cuba)
- 2016: Brazil, World Baseball Classic - 1 game 24-Sep
- Danny Muno (infielder, b. 1989, California)
- 2011: Brooklyn Cyclones, New York-Penn League (short-season) - 2 games 21-Jul 9-Sep
- 2013: Binghamton Mets, Eastern League (AA) - 2 games 13-Aug 5-Sep
- 2015: New York Mets, Major League Baseball - 1 game 24-Jul
- 2017: Tacoma Rainiers, Pacific Coast League (AAA) - 1 game 6-Aug
- Anderson Munoz (pitcher, b. 1998, Venezuela)
- 2021: Tampa Tarpons, Low-A Southeast - 2 games 9-Jun 23-Jun
- Andres Munoz (pitcher, b. 1999, Mexico)
- 2017: Tri-City Dust Devils, Northwest League (short-season) - 1 game 4-Aug
- 2022: Seattle Mariners, Major League Baseball - 1 game 26-Apr
- 2024: Seattle Mariners, Major League Baseball - 1 game 24-Jun
- Arnie Munoz (pitcher, b. 1982, Dominican Republic)
- 2007: Washington Nationals, Major League Baseball - 1 game 23-Sep
- 2008: Harrisburg Senators, Eastern League (AA) - 1 game 10-Apr
- Billy Munoz (first baseman, b. 1975, Arizona)
- 1999: Kinston Indians, Carolina League (High-A) - 1 game 15-Aug
- 2001: Akron Aeros, Eastern League (AA) - 1 game 5-Apr
- 2002: Akron Aeros, Eastern League (AA) - 1 game 11-Apr
- 2008: Grand Prairie AirHogs, American Association (independent) - 1 game 12-Aug
- Bobby Munoz (pitcher, b. 1968, Puerto Rico)
- 1993: New York Yankees, American League (MLB) - 2 games 1-Oct 3-Oct
- 1994: Philadelphia Phillies, National League (MLB) - 1 game 22-Jul g1
- 1998: Rochester Red Wings, International League (AAA) - 1 game 1-Aug
- Carlos Munoz (first baseman, b. 1994, Mexico)
- 2015: West Virginia Black Bears, New York-Penn League (short-season) - 1 game 13-Sep
- 2016: West Virginia Power, South Atlantic League (Low-A) - 1 game 2-Jul
- David Munoz (infielder, b. 1979)
- 2003: Kenosha Mammoths, Frontier League (independent) - 1 game 29-Jul
- 2005: Ohio Valley Redcoats, Frontier League (independent) - 1 game 20-Aug
- Gorge Munoz (infielder, b. 1996, Dominican Republic)
- 2016: GCL Twins, Gulf Coast League (rookie) - 1 game 27-Aug
- Jairo Munoz (pitcher, b. 1991, Dominican Republic)
- 2015: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 10-Aug
- Jhonatan Munoz (pitcher, b. 1999, Venezuela)
- Juan Munoz (outfielder, b. 1974, Nicaragua)
- 1998: Memphis Redbirds, Pacific Coast League (AAA) - 1 game 26-Aug
- 2001: New Haven Ravens, Eastern League (AA) - 1 game 15-Jul
- Joe Munoz (infielder, b. 1993, California)
- 2014: South Bend Silver Hawks, Midwest League (Low-A) - 1 game 25-Aug
- 2015: Kane County Cougars, Midwest League (Low-A) - 2 games 29-Aug g2 3-Sep
- Luis Munoz (pitcher, b. 1982, Dominican Republic)
- 2015: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 19-Sep
- Mike Munoz (pitcher, b. 1965, California)
- 1992: Detroit Tigers, American League (MLB) - 2 games 10-Aug 17-Aug
- 1997: Colorado Rockies, National League (MLB) - 1 game 25-Aug day
- Omer Munoz (infielder, b. 1966, Venezuela)
- 1992: Indianapolis Indians, American Association (AAA) - 1 game 9-Aug
- Orlando Munoz (infielder, b. 1971, Venezuela)
- 1994: Vancouver Canadians, Pacific Coast League (AAA) - 1 game 10-Sep
- Oscar Munoz (pitcher, b. 1969, Florida)
- 1994: Salt Lake Buzz, Pacific Coast League (AAA) - 2 games 1-Sep 9-Sep
- Pedro Munoz (outfielder, b. 1968, Puerto Rico)
- 1993: Minnesota Twins, American League (MLB) - 1 game 22-Sep
- 1994: Minnesota Twins, American League (MLB) - 1 game 4-Jul
- 1995: Minnesota Twins, American League (MLB) - 1 game 7-Aug
- Ryan Munoz (pitcher, b. 1998, Puerto Rico)
- 2022: RA12, Liga Clemente (winter) - 1 game 30-Nov
- Yairo Munoz (infielder, b. 1995, Dominican Republic)
- 2014: Vermont Lake Monsters, New York-Penn League (short-season) - 1 game 28-Jul
- 2016: Mesa Solar Sox, Arizona Fall League - 1 game 11-Oct
- 2017: Nashville Sounds, Pacific Coast League (AAA) - 1 game 21-Aug
- 2018: St. Louis Cardinals, Major League Baseball - 1 game 1-Apr
- 2021: Boston Red Sox, Major League Baseball - 1 game 30-Aug
- 2022: Philadelphia Phillies, Major League Baseball - 1 game 25-Sep
- Yeuni Munoz (outfielder, b. 2003, Dominican Republic)
- 2022: FCL Blue Jays, Florida Complex League (rookie) - 1 game 2-Jul
- 2023: FCL Blue Jays, Florida Complex League (rookie) - 2 games 13-Jun 22-Aug
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 2 games 1-Jul 2-Jul
- Reshard Munroe (outfielder, b. 1996, Bahamas)
- 2016: Great Britain, World Baseball Classic - 2 games 23-Sep 25-Sep
- Aaron Munson (pitcher, b. 2002, Texas)
- 2024: Dunedin Blue Jays, Florida State League (Low-A) - 3 games 5-Apr 1-May 21-Jun
- Eric Munson (catcher/infield, b. 1977, California)
- 2000: Detroit Tigers, Major League Baseball - 1 game 22-Jul day
- 2000: Jacksonville Suns, Southern League (AA) - 1 game 1-Aug
- 2001: Erie SeaWolves, Eastern League (AA) - 1 game 8-Sep
- 2002: Toledo Mud Hens, International League (AAA) - 1 game 26-Jul
- 2004: Detroit Tigers, Major League Baseball - 1 game 17-Jun
- 2005: Durham Bulls, International League (AAA) - 1 game 28-Aug
- 2010: Newark Bears, Atlantic League (independent) - 5 games 6-Aug 18-Aug 19-Aug 7-Sep g1 7-Sep g2
- Thurman Munson (catcher, b. 1947, Ohio; d. 1979, Ohio)
- 1974: New York Yankees, American League (MLB) - 1 game 25-Apr
- 1976: New York Yankees, American League (MLB) - 1 game 9-Jul
- Scott Munter (pitcher, b. 1980, Nebraska)
- 2009: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 22-Aug
- Kyle Mura (pitcher, b. 1984, California)
- 2006: State College Spikes, New York-Penn League (short-season) - 1 game 4-Jul
- Toru Murata (pitcher, b. 1985, Japan)
- 2011: Kinston Indians, Carolina League (High-A) - 2 games 28-May 13-Aug
- 2012: Akron Aeros, Eastern League (AA) - 1 game 15-Sep
- Bobby Murcer (outfielder, b. 1946, Oklahoma)
- 1977: Chicago Cubs, National League (MLB) - 1 game 12-Jul
- Jeremy Murch (outfielder, b. 1978, Florida)
- 1999: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 10-Sep
- Jonathan Murders (infielder, b. 1997, Missouri)
- 2016: GCL Cardinals, Gulf Coast League (rookie) - 1 game 29-Aug g1
- Drew Muren (outfielder, b. 1988, California)
- 2015: Fargo-Moorhead RedHawks, American Association (independent) - 1 game 15-Jul
- Agustin Murillo (infielder, b. 1982, Mexico)
- 2009: Reno Aces, Pacific Coast League (AAA) - 2 games 15-Aug 22-Aug
- Bill Murphy (pitcher, b. 1981, California)
- 2015: Camden Riversharks, Atlantic League (independent) - 1 game 13-Aug
- Blake Murphy (catcher, b. 1985, Arizona)
- 2008: Batavia Muckdogs, New York-Penn League (short-season) - 1 game 16-Jul
- Brendan Murphy (first baseman, b. 1984)
- 2009: Kalamazoo Kings, Frontier League (independent) - 2 games 25-Jul 27-Jul
- Brendan Murphy (pitcher, b. 1999, Illinois)
- 2021: Carolina Mudcats, Low-A East - 1 game 5-Sep
- Chris Murphy (pitcher, b. 1992, Delaware)
- 2017: Trois-Rivieres Aigles, Can-Am League (independent) - 1 game 10-Aug
- Chris Murphy (pitcher, b. 1998, California)
- 2022: Worcester Red Sox, International League (AAA) - 1 game 27-Sep
- Dale Murphy (outfielder, b. 1956, Oregon)
- 1990: Philadelphia Phillies, National League (MLB) - 1 game 9-Sep
- 1991: Philadelphia Phillies, National League (MLB) - 1 game 29-Sep
- Daniel Murphy (infielder, b. 1985, Florida)
- 2008: New York Mets, Major League Baseball - 5 games 8-Aug 22-Aug 25-Aug 10-Sep 23-Sep
- 2009: New York Mets, Major League Baseball - 5 games 19-Jun 4-Sep 18-Sep 20-Sep 21-Sep
- 2011: New York Mets, Major League Baseball - 1 game 24-Apr
- 2012: New York Mets, Major League Baseball - 7 games 8-Apr 19-Aug 29-Aug 11-Sep 17-Sep 21-Sep 25-Sep
- 2013: New York Mets, Major League Baseball - 4 games 4-Jul 9-Sep 13-Sep 18-Sep
- 2014: New York Mets, Major League Baseball - 4 games 20-Apr 9-Sep 15-Sep 17-Sep
- 2015: New York Mets, Major League Baseball - 6 games 24-Jul 20-Sep 23-Sep 30-Sep 4-Oct 31-Oct
- 2016: Washington Nationals, Major League Baseball - 1 game 29-May
- 2017: Washington Nationals, Major League Baseball - 1 game 4-Jul
- 2018: Washington Nationals, Major League Baseball - 2 games 4-Jul 15-Jul
- 2023: Salt Lake Bees, Pacific Coast League (AAA) - 1 game 8-Aug
- David Murphy (outfielder, b. 1981, Texas)
- 2003: Sarasota Red Sox, Florida State League (High-A) - 2 games 22-Aug 30-Aug
- 2005: Portland Sea Dogs, Eastern League (AA) - 1 game 10-Sep
- 2008: Texas Rangers, Major League Baseball - 1 game 22-Jun
- Donnie Murphy (infielder, b. 1983, California)
- 2005: Kansas City Royals, Major League Baseball - 1 game 7-Aug
- Dwayne Murphy (outfielder, b. 1955, California)
- 1980: Oakland Athletics, American League (MLB) - 1 game 2-Sep
- Jeff Murphy (catcher, b. 1970, Missouri)
- 1992: Hamilton Redbirds, New York-Penn League (short-season) - 1 game 9-Aug g2
- Jim Murphy (first baseman, b. 1985, Washington)
- 2009: Lakewood BlueClaws, South Atlantic League (Low-A) - 3 games 10-Apr 6-Aug 15-Sep
- 2011: Lakewood BlueClaws, South Atlantic League (Low-A) - 1 game 25-May
- 2013: Reading Fightin Phils, Eastern League (AA) - 3 games 27-May 4-Aug 13-Aug
- 2014: Lehigh Valley IronPigs, International League (AAA) - 2 games 17-Aug 1-Sep
- John Murphy (utility, b. 1991, Connecticut)
- 2014: Charleston RiverDogs, South Atlantic League (Low-A) - 1 game 23-Apr
- John Ryan Murphy (catcher, b. 1991, Florida)
- 2012: Trenton Thunder, Eastern League (AA) - 2 games 4-Jul 15-Sep
- 2015: New York Yankees, Major League Baseball - 4 games 12-Sep g1 12-Sep g2 20-Sep 28-Sep
- 2016: Minnesota Twins, Major League Baseball - 1 game 18-Sep
- 2018: Arizona Diamondbacks, Major League Baseball - 1 game 18-Aug
- Luke Murphy (pitcher, b. 1999, Tennessee)
- 2023: Scottsdale Scorpions, Arizona Fall League - 1 game 11-Oct
- Matt Murphy (pitcher, b. 1978, Tennessee)
- 2002: Daytona Cubs, Florida State League (High-A) - 1 game 23-Aug
- Max Murphy (outfielder, b. 1992, Minnesota)
- Patrick Murphy (pitcher, b. 1997, Illinois)
- 2023: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Apr
- Owen Murphy (pitcher, b. 2003, Illinois)
- 2022: Augusta GreenJackets, Carolina League (Low-A) - 1 game 2-Sep
- Quinn Murphy (utility, b. 1975, Illinois)
- 1994: Burlington Indians, Appalachian League (rookie) - 1 game 3-Jul
- Rob Murphy (pitcher, b. 1960, Florida)
- 1993: St. Louis Cardinals, National League (MLB) - 1 game 25-Jun
- Sean Murphy (infielder, b. 1972, Illinois)
- 1998: Elmira Pioneers, Northeast League (independent) - 1 game 7-Aug
- Sean Murphy (catcher, b. 1994, New York)
- 2021: Oakland Athletics, Major League Baseball - 2 games 29-Apr 16-Sep
- 2022: Oakland Athletics, Major League Baseball - 3 games 12-Apr 13-Apr 14-Apr
- 2023: Atlanta Braves, Major League Baseball - 1 game 7-Jun
- 2024: Atlanta Braves, Major League Baseball - 1 game 17-Jun
- Shane Murphy (pitcher, b. 2001, Arizona)
- 2024: Charlotte Knights, International League (AAA) - 1 game 20-Sep
- Steve Murphy (outfielder, b. 1971)
- 1994: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 4-Aug
- Steve Murphy (outfielder, b. 1984, Missouri)
- 2006: Bakersfield Blaze, California League (High-A) - 1 game 21-Aug
- 2008: Frisco Roughriders, Texas League (AA) - 1 game 11-Aug
- Tanner Murphy (catcher, b. 1995, Missouri)
- 2017: Florida Fire Frogs, Florida State League (High-A) - 1 game 28-May
- Tanner Murphy (outfielder, b. 1998, Tennessee)
- Taylor Murphy (outfielder, b. 1992, California)
- 2014: Mahoning Valley Scrappers, New York-Penn League (short-season) - 1 game 29-Aug
- 2016: Lynchburg Hillcats, Carolina League (High-A) - 1 game 4-Sep
- Tom Murphy (catcher, b. 1991, New York)
- 2013: Asheville Tourists, South Atlantic League (Low-A) - 1 game 26-May
- 2019: Seattle Mariners, Major League Baseball - 1 game 19-Aug
- 2021: Seattle Mariners, Major League Baseball - 3 games 11-Jul 18-Jul 4-Aug
- 2022: Seattle Mariners, Major League Baseball - 2 games 26-Apr 28-Apr
- Tommy Murphy (utility, b. 1979, New York)
- Austin Murr (outfielder, b. 1999, Minnesota)
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 12-Aug
- A.J. Murray (catcher, b. 1993, New Jersey)
- 2016: Fort Myers Miracle, Florida State League (High-A) - 1 game 27-Aug
- BJ Murray (infielder, b. 2000, Bahamas)
- 2022: South Bend Cubs, Midwest League (High-A) - 1 game 25-Jun
- 2022: Mesa Solar Sox, Arizona Fall League - 2 games 13-Oct 15-Oct
- Calvin Murray (outfielder, b. 1971, Texas)
- 1998: Shreveport Captains, Texas League (AA) - 1 game 25-Aug
- 2000: San Francisco Giants, Major League Baseball - 1 game 2-Sep
- 2001: San Francisco Giants, Major League Baseball - 1 game 24-Aug
- 2004: Chicago Cubs, Major League Baseball - 1 game 24-Sep
- Chase Murray (outfielder, b. 1998, Ohio)
- 2021: Greensboro Grasshoppers, High-A East - 1 game 1-Jul
- Colton Murray (pitcher, b. 1990, Kansas)
- 2015: Philadelphia Phillies, Major League Baseball - 1 game 30-Sep
- 2016: Philadelphia Phillies, Major League Baseball - 2 games 25-Sep 2-Oct
- 2017: Lehigh Valley IronPigs, International League (AAA) - 1 game 26-Jul
- Donny Murray (pitcher, b. 1992, Massachusetts)
- 2016: Utica Unicorns, United Shore League (independent) - 1 game 6-Aug
- Eddie Murray (first baseman, b. 1956, California)
- Eddie Murray (infielder, b. 1987, California)
- 2020: Indiana Barn Owls, Liberation League (independent) - 1 game 23-Sep
- Ethan Murray (infielder, b. 2000, Maryland)
- 2021: Carolina Mudcats, Low-A East - 1 game 5-Sep
- 2023: Biloxi Shuckers, Southern League (AA) - 1 game 20-Jun
- Glenn Murray (outfielder, b. 1970, South Carolina)
- Heath Murray (pitcher, b. 1973, Ohio)
- 1998: Las Vegas Stars, Pacific Coast League (AAA) - 1 game 17-Aug
- Jayden Murray (pitcher, b. 1997, Utah)
- 2021: Bowling Green Hot Rods, High-A East - 1 game 1-Jul
- Joey Murray (pitcher, b. 1996, Ohio)
- 2019: Dunedin Blue Jays, Florida State League (High-A) - 1 game 15-May g1
- 2023: FCL Blue Jays, Florida Complex League (rookie) - 1 game 13-Jun
- 2023: Dunedin Blue Jays, Florida State League (Low-A) - 1 game 19-Jul
- Josh Murray (infielder, b. 1984, New York)
- 2002: Ogden Raptors, Pioneer League (rookie) - 1 game 3-Aug
- Matt Murray (pitcher, b. 1970, Massachusetts)
- 1997: Catskill Cougars, Northeast League (independent) - 1 game 8-Aug
- Shea Murray (pitcher, b. 1993, Ohio)
- 2019: Greensboro Grasshoppers, South Atlantic League (Low-A) - 1 game 1-May
- 2019: Bradenton Marauders, Florida State League (High-A) - 4 games 11-May g2 3-Aug 9-Aug 23-Aug
- 2022: Lake Country DockHounds, American Association (independent) - 1 game 10-Jul
- Tanner Murray (infielder, b. 1999, California)
- 2022: Mesa Solar Sox, Arizona Fall League - 2 games 12-Oct 15-Oct
- 2023: FCL Rays, Florida Complex League (rookie) - 1 game 8-Jul
- 2024: Montgomery Biscuits, Southern League (AA) - 1 game 18-Jun
- Rod Murrell (infielder, b. 1966)
- 1986: Little Falls Mets, New York-Penn League (short-season) - 1 game 15-Aug
- Chris Murrill (outfielder, b. 1988, Alabama)
- 2009: Hudson Valley Renegades, New York-Penn League (short-season) - 2 games 5-Aug 2-Sep
- Luke Murton (first base/outfield, b. 1986, Florida)
- 2009: Staten Island Yankees, New York-Penn League (short-season) - 3 games 20-Jul 9-Sep 14-Sep
- 2012: Trenton Thunder, Eastern League (AA) - 1 game 4-Jul
- Matt Murton (outfielder, b. 1981, Florida)
- 2009: Colorado Springs Sky Sox, Pacific Coast League (AAA) - 1 game 22-Aug
- Andruw Musett (catcher/first base, b. 2005, Venezuela)
- 2024: FCL Red Sox, Florida Complex League (rookie) - 1 game 7-May
- Harrison Musgrave (pitcher, b. 1992, West Virginia)
- 2015: New Britain Rock Cats, Eastern League (AA) - 2 games 9-Aug 16-Aug
- 2019: Colorado Rockies, Major League Baseball - 1 game 3-Apr
- 2019: Albuquerque Isotopes, Pacific Coast League (AAA) - 1 game 12-Jul
- Parker Mushinski (pitcher, b. 1995, Texas)
- 2022: Sugar Land Space Cowboys, Pacific Coast League (AAA) - 1 game 3-Aug
- Jay Musialowski (pitcher, b. 1982)
- 2006: Sussex Skyhawks, Can-Am League (independent) - 1 game 30-Jun
- Jim Musselwhite (pitcher, b. 1971, Florida)
- 1995: Norwich Navigators, Eastern League (AA) - 1 game 2-Jul
- Mike Mussina (pitcher, b. 1968, Pennsylvania)
- 1992: Baltimore Orioles, American League (MLB) - 1 game 21-Aug
- 1995: Baltimore Orioles, American League (MLB) - 1 game 1-Oct
- 1996: Baltimore Orioles, American League (MLB) - 1 game 19-Sep g1
- 2001: New York Yankees, Major League Baseball - 1 game 28-Aug
- Ronnier Mustelier (utility, b. 1984, Cuba)
- 2012: Trenton Thunder, Eastern League (AA) - 1 game 5-Apr
- 2016: Gwinnett Braves, International League (AAA) - 2 games 1-Sep 14-Sep
- Paul Mutch (pitcher, b. 1983, Australia)
- 2003: Elizabethton Twins, Appalachian League (rookie) - 1 game 12-Jul
- Eddie Muth (outfielder, b. 1977, California)
- 2003: North Shore Spirit, Northeast League (independent) - 1 game 21-Jul
- Jeff Mutis (pitcher, b. 1966, Pennsylvania)
- 1991: Canton-Akron Indians, Eastern League (AA) - 1 game 12-Aug
- Simon Muzziotti (outfielder, b. 1998, Venezuela)
- Tanner Myatt (pitcher, b. 1998, North Carolina)
- 2021: Surprise Saguaros, Arizona Fall League - 1 game 21-Oct
- 2022: Hudson Valley Renegades, South Atlantic League (High-A) - 1 game 4-May
- Aaron Myers (pitcher, b. 1976, California)
- 1998: Beloit Snappers, Midwest League (Low-A) - 1 game 19-Aug
- 2002: New Jersey Jackals, Northeast League (independent) - 1 game 10-Sep
- 2003: New Jersey Jackals, Northeast League (independent) - 3 games 13-Jun 6-Aug g2 5-Sep
- 2004: New Jersey Jackals, Northeast League (independent) - 3 games 13-Jul g2 27-Aug 9-Sep
- 2005: New Jersey Jackals, Can-Am League (independent) - 1 game 19-Jun
- 2006: New Jersey Jackals, Can-Am League (independent) - 2 games 3-Jun g1 18-Aug
- Adrian Myers (outfielder, b. 1975, Mississippi)
- 1996: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 7-Jul
- 2000: New Haven Ravens, Eastern League (AA) - 2 games 8-Apr 8-Sep
- Brett Myers (pitcher, b. 1980, Florida)
- 2007: Philadelphia Phillies, Major League Baseball - 1 game 16-Sep
- Casey Myers (catcher/first base, b. 1978, Arizona)
- 2004: Modesto A's, California League (High-A) - 1 game 11-Aug
- Damien Myers (pitcher, b. 1980, New York)
- 2003: Lakeland Tigers, Florida State League (High-A) - 1 game 25-Aug
- 2004: Lakeland Tigers, Florida State League (High-A) - 1 game 28-Aug
- Dane Myers (pitcher, then utility, b. 1996, Texas)
- 2019: Lakeland Flying Tigers, Florida State League (High-A) - 1 game 15-May
- 2021: Lakeland Flying Tigers, Low-A Southeast - 1 game 12-Aug
- 2022: Erie SeaWolves, Eastern League (AA) - 1 game 24-Jun
- 2023: Pensacola Blue Wahoos, Southern League (AA) - 1 game 20-Apr
- 2023: Miami Marlins, Major League Baseball - 1 game 26-Jul
- 2024: Jacksonville Jumbo Shrimp, International League (AAA) - 1 game 21-Apr
- 2024: Miami Marlins, Major League Baseball - 1 game 29-Sep
- D'Arby Myers (outfielder, b. 1988, California)
- 2009: Lakewood BlueClaws, South Atlantic League (Low-A) - 2 games 6-Aug 15-Sep
- 2018: Bowie Baysox, Eastern League (AA) - 1 game 20-Jun g1
- 2019: Long Island Ducks, Atlantic League (independent) - 1 game 14-Jul
- Greg Myers (catcher, b. 1966, California)
- 1996: Minnesota Twins, American League (MLB) - 1 game 3-Aug day
- 1997: Atlanta Braves, National League (MLB) - 1 game 28-Sep
- Jon Myers (outfielder, b. 1987, California)
- 2012: Gateway Grizzlies, Frontier League (independent) - 1 game 26-May
- Kenton Myers (catcher, b. 1980, New Mexico)
- 2002: Buffalo Bisons, International League (AAA) - 1 game 1-Sep
- Lance Myers (infielder, b. 1993, Indiana)
- 2019: Alpine Cowboys, Pecos League (independent) - 1 game 13-Jul
- 2020: Indy Windstorm, Liberation League (independent) - 1 game 22-Sep
- 2021: Roswell Invaders, Pecos League (independent) - 1 game 20-Jul
- Mike Myers (pitcher, b. 1969, Illinois)
- 1995: Detroit Tigers, American League (MLB) - 1 game 1-Oct
- 1997: Detroit Tigers, American League (MLB) - 2 games 4-Jul g1 13-Jul
- 1998: Milwaukee Brewers, National League (MLB) - 1 game 19-Aug
- 2008: Long Island Ducks, Atlantic League (independent) - 1 game 17-Sep
- Noah Myers (outfielder, b. 1999, Ontario)
- 2024: FCL Rays, Florida Complex League (rookie) - 1 game 22-Jun
- 2024: Bowling Green Hot Rods, South Atlantic League (High-A) - 1 game 6-Aug
- Randy Myers (pitcher, b. 1962, Washington)
- 1993: Chicago Cubs, National League (MLB) - 1 game 11-Aug
- 1996: Baltimore Orioles, American League (MLB) - 2 games 18-Sep 19-Sep g2
- 1997: Baltimore Orioles, American League (MLB) - 1 game 4-Jul g1
- Roderick Myers (outfielder, b. 1973, Texas)
- 1992: Appleton Foxes, Midwest League (Low-A) - 1 game 13-Aug
- 1994: Wilmington Blue Rocks, Carolina League (High-A) - 1 game 4-Aug
- 1998: Omaha Royals, Pacific Coast League (AAA) - 1 game 21-Aug g1
- Rodney Myers (pitcher, b. 1969, Illinois)
- 1998: Iowa Cubs, Pacific Coast League (AAA) - 1 game 17-Aug
- 2005: Lincoln Saltdogs, Northern League (independent) - 1 game 11-Aug
- Tobias Myers (pitcher, b. 1998, Florida)
- 2017: Hudson Valley Renegades, New York-Penn League (short-season) - 1 game 9-Sep
- 2019: Charlotte Stone Crabs, Florida State League (High-A) - 1 game 24-Aug
- 2024: Milwaukee Brewers, Major League Baseball - 2 games 4-Jul 24-Sep
- Tootie Myers (infielder, b. 1978, Germany)
- 1999: Cape Fear Crocs, South Atlantic League (Low-A) - 1 game 10-Aug
- Wil Myers (outfielder, b. 1990, North Carolina)
- 2013: Tampa Bay Rays, Major League Baseball - 1 game 25-Sep
- 2014: Tampa Bay Rays, Major League Baseball - 1 game 10-Sep
- 2016: San Diego Padres, Major League Baseball - 2 games 13-Aug 1-Sep
- 2018: Lake Elsinore Storm, California League (High-A) - 1 game 12-Aug
- 2018: San Diego Padres, Major League Baseball - 3 games 18-Aug 19-Aug 23-Aug
- 2019: San Diego Padres, Major League Baseball - 1 game 29-Apr
- 2021: San Diego Padres, Major League Baseball - 1 game 17-Sep
- Wood Myers (infielder, b. 1994, North Carolina)
- 2017: State College Spikes, New York-Penn League (short-season) - 1 game 4-Sep
- Aaron Myette (pitcher, b. 1977, British Columbia)
- 1997: Hickory Crawdads, South Atlantic League (Low-A) - 1 game 15-Aug
- Bryson Myles (outfielder, b. 1989, Texas)
- 2014: Akron RubberDucks, Eastern League (AA) - 1 game 3-Aug
- 2015: Akron RubberDucks, Eastern League (AA) - 1 game 3-Jul
- Brian Myrow (first baseman, b. 1976, Texas)
- 2003: Trenton Thunder, Eastern League (AA) - 1 game 4-Aug
- 2006: Portland Sea Dogs, Eastern League (AA) - 1 game 7-Sep
- 2008: San Diego Padres, Major League Baseball - 1 game 28-Jul
- John Myrow (outfielder, b. 1972)
- 1994: Central Valley Rockies, California League (High-A) - 1 game 3-Sep
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