DF. Ryan Martin (July 2005 to July 2008)
Arrived from Sheffield United, left for Birmingham City
ST. Dave Mathieson (April 1895 to May 1908)
FOUNDER MEMBER, left for Oldham Athletic
DF. Steven Matthews (August 1980 to June 1985)
Arrived from Norwich City, left for Luton Town
DF. Ken Maxfield (August 1922 to May 1929)
Arrived from Clapton Orient, left for Liverpool
MD. Jim Maybury (August 1927 to May 1933)
Arrived from Rangers, left for Arsenal
DF. Paddy McCullen (August 1963 to May 1970)
Arrived from Manchester United, left for Arsenal
DF. Chris McDonald (August 1945 to May 1966)
Arrived from Youth Team, RETIRED
ST. Junior McDougald (August 2001 to December 2002)
Arrived from Youth Team, left for Dagenham & Redbridge
MD. Paul McQueen (June 1919 to May 1928)
Arrived from Fulham, left for Chelsea
MD. Quentin Megson (August 1957 to May 1958)
Arrived from Youth Team, RETIRED due to Injury
ST. Archie Miller (August 1956 to May 1958)
Arrived from Hearts, left for Arsenal
MD. Craig Minton (September 2003 to June 2004)
Arrived from Chelsea, left for Fulham
MD. Scott Moore (August 1989 to July 1998)
Arrived from Youth Team, left for Birmingham City
MD. Gavin Moradi (July 1998 to July 1999)
Arrived from Palermo, left for Nottingham Forest
DF. George Morgan (August 1903 to May 1926)
Arrived from Youth Team, RETIRED
MD. Leroy Morris (July 2006 to July 2007)
Arrived from Youth Team, RELEASED
MD. Kabi Munoz (January 2005 to May 2005)
Arrived from Youth Team, DIED