New York Mets: M

Rob MacDonald 1996	Julio Machado 1989-1990	Ken MacKenzie 1962-1963
Elliott Maddox 1978-1980	Mike Maddux 1993-1994	Dave Magadan 1986-1992
Pat Mahomes 1999-2000	John Maine 2006-2008	Pepe Mangual 1976-1977
Phil Mankowski 1980, 1982	Jim Mann 2000	Felix Mantilla 1962
Barry Manuel 1997	Josias Manzanillo 1993-95, 1999	Eli Marrero 2006
Dave Marshall 1970-1972	Jim Marshall 1962	Dr. Mike Marshall 1981
Mike A. Marshall 1990	J.C. Martin 1968-1969	Jerry Martin 1984
Tom Martin 2001	Pedro A. Martinez 1996	Pedro J. Martinez 2005-2008
Ted Martinez 1970-1974	Roger Mason 1994	Jon Matlack 1971-1977
Kazuo Matsui 2004-2006	Gary Matthews Jr. 2002	Mike Matthews 2005
Jerry May 1973	Brent Mayne 1996	Willie Mays 1972-1973
Lee Mazzilli 1976-81, 1986-89	Jim McAndrew 1968-1973	Bob McClure 1988
Rodney McCray 1992	Terry McDaniel 1991	Roger McDowell 1985-1989
Chuck McElroy 1999	Joe McEwing 2000-2004	Tug McGraw 1965-67, 1969-74
Ryan McGuire 2000	Jeff McKnight 1989, 1992-94	Greg McMichael 1997-1999
Roy McMillan 1964-1966	Brian McRae 1997-1999	Kevin McReynolds 1987-91, 1994
Doc Medich 1977	Carlos Mendoza 1997	Orlando Mercado 1990
Butch Metzger 1978	Jason Middlebrook 2002-2003	Doug Mientkiewicz 2005
Felix Millan 1973-1977	Lastings Milledge 2006-2007	Bob G. Miller 1962
Bob L. Miller 1962. 1973-74	Dyar Miller 1980-1981	Keith Miller 1987-1991
Larry Miller 1965-1966	Ralph Milliard 1998	Randy Milligan 1987
John Milner 1971-1977	Blas Minor 1995-1996	John Mitchell 1986-1989
Kevin Mitchell 1984, 1986	Vinegar Bend Mizell 1962	Dave Mlicki 1995-1998
Herb Moford 1962	Gustavo Molina 2008	Willie Montanez 1978-1979
Joe Moock 1967	Tommy Moore 1972-1973	Bob Moorhead 1962-1965
Melvin Mora 1999, 2000	Jerry Moralez 1980	Al Moran 1963-1964
Jose Moreno 1980	Orber Moreno 2003-2004	Kevin Morgan 1997
Guillermo Mota 2006-2007	Carlos Muniz 2007-2008	Billy Murphy 1966
Dale Murray 1978-1979	Dan Murray 1999	Eddie Murray 1992-1993
Dennis Musgraves 1965	Jeff Musselman 1989-1990	Randy Myers 1985-1989
Bob Myrick 1976-1978