or
Player positions provided by the CFL and errors are known to exist
| Name | Position | Regular GP | # of Seasons (Years) | Also played for |
|---|---|---|---|---|
| Mabra, Ron | DB | 1 | 1 (1979) | |
| MacDonald, Pat | DL | 14 | 1 (2009) | CGY, MTL |
| Macdonald, Bob | G | 1 | 1 (1960) | |
| MacIver, Doug | DL, DT | 39 | 3 (1982–1984) | SSK, TOR |
| Mack, Kirby | DE | 4 | 1 (2002) | |
| Mack, Tracey | LB | 2 | 1 (1986) | OTT, SSK |
| MacKall, William | WR | 10 | 1 (1989) | |
| Mackey, Leon | DL | 1 | 1 (2015) | |
| MacKinlay, Duncan | LB | 25 | 2 (1978–1979) | MTL, TOR |
| MacLeod, Ray | G, T | 12 | 1 (1955) | EDM |
| MacNeil, Brett | G | 151 | 10 (1992–1997, 1999–2002) | |
| Macoritti, Bob | K | 3 | 1 (1975) | SSK |
| MacQuarrie, Bill | G | 4 | 1 (1948) | |
| MacTavish, Bob | U | 1 | 1 (1939) | |
| Maeva, David | LB | 15 | 1 (1998) | BC, LV |
| Maggiacomo, Anthony | LB | 17 | 1 (2008) | MTL |
| Maglicic, Ken | G, T | 16 | 1 (1965) | |
| Magnuson, Quinn | G | 9 | 1 (1993) | MTL, OTT, SSK |
| Maguire, Mickey | HB | 14 | 1 (1952) | CGY, MTL, SSK |
| Mahoney, Mike | LB | 9 | 1 (2007) | CGY, SSK |
| Mainor, Kenny | DE | 45 | 3 (2011–2013) | |
| Majors, Leslie | DB | 1 | 1 (2011) | |
| Malbrough, Anthony | DB | 39 | 4 (2005–2008) | CGY, EDM, OTT |
| Malinosky, John | T | 16 | 1 (1979) | CGY, HAM, TOR |
| Mallett, Jason | DB | 33 | 2 (1995–1996) | HAM, SSK |
| Malveaux, Kelly | DB | 53 | 3 (2006–2008) | CGY, EDM, MTL, SSK |
| Mangum, Pete | G, HB | 13 | 2 (1957–1958) | |
| Manners, Jack | G, T | 33 | 6 (1938–1941, 1945–1946) | OTT, WRCAFB |
| Mariani, Mario | E, T | 10 | 1 (1965) | TOR |
| Markett, Marty | CB, DB | 13 | 2 (2013–2014) | |
| Markle, Paul | TE | 48 | 3 (1971–1973) | EDM, TOR |
| Marquardt, Bud | E | 49 | 6 (1936–1941) | |
| Marshall, Cameron | RB | 19 | 2 (2014–2015) | HAM, SSK |
| Marshall, Charles “Tank” | U | 3 | 1 (1978) | |
| Martell, Pete | RB | 3 | 1 (1981) | MTL |
| Martin, Andrew | WR | 19 | 2 (1992–1993) | HAM, OTT |
| Martin, Eric | DL | 1 | 1 (2016) | TOR |
| Martin, Ricky | WR | 5 | 2 (1982–1983) | |
| Martin, Tee | QB | 25 | 2 (2004–2005) | |
| Martin, Bill | HB | 6 | 1 (1966) | EDM, TOR |
| Martin, Willie | T | 4 | 1 (1982) | EDM, HAM, TOR |
| Martini, John | LB | 5 | 1 (1979) | HAM, TOR |
| Maruo, Les | LB | 7 | 1 (2021) | |
| Marve, Robert | QB | 27 | 2 (2014–2015) | |
| Mason, Kevin | QB | 8 | 1 (1998) | EDM, SSK |
| Masson, Howard | U | 0 | 1 (1937) | |
| Maston, Mercy | LB | 3 | 1 (2019) | EDM |
| Matechuk, Jordan | FB | 1 | 1 (2012) | BC, HAM |
| Matthews, Chris | WR | 29 | 3 (2012–2013, 2019) | CGY, MTL |
| Mattingley, Don | T | 14 | 3 (1950–1952) | SAR |
| Mauthe, Hal | HB | 28 | 2 (1951–1952) | |
| Mayne, Shawn | DE | 32 | 4 (2006–2009) | CGY, MTL |
| Mayo, Thomas | SB, WR | 5 | 1 (2016) | |
| Mazur, Don | T | 15 | 1 (1953) | |
| McAdoo, Michael | DL | 2 | 1 (2013) | |
| McAllister, Ralph | HB | 26 | 2 (1952–1953) | |
| McCalister, Alex | DL | 1 | 1 (2019) | |
| McCallum, Ross | HB, T | 17 | 2 (1952–1953) | BB, CGY, EDM |
| McCance, Ches | E, FW, K | 40 | 6 (1937–1941, 1945) | MTL, WRCAFB |
| McCant, Keithen | QB | 25 | 2 (1993–1994) | BC |
| McCollins, Bill | DE | 9 | 2 (1994–1995) | |
| McCord, Quentin | WR | 7 | 1 (2006) | EDM |
| McCorquindale, John | RB | 36 | 3 (1978–1980) | HAM, SSK |
| McCourt, Des | G, T | 1 | 1 (1938) | |
| McCoy, Rico | LB | 1 | 1 (2010) | EDM |
| McCullough, Deland | RB | 24 | 2 (1998–1999) | |
| McDonald, Darnell | WR | 5 | 1 (2005) | BC, CGY |
| McDonald, Mark | WR | 43 | 4 (1975–1978) | BC, CGY, SSK, TOR |
| McDonald, Rod | C | 8 | 2 (1946–1947) | |
| McDougal, Kevin | QB | 27 | 3 (1995–1997) | |
| McDuffie, Quincy | SB | 13 | 1 (2016) | HAM, OTT |
| McEachern, Ted | LB | 12 | 2 (1974–1975) | BC, SSK, TOR |
| McEvoy, Clay | HB, RB | 44 | 3 (1971–1973) | |
| McFadyen, Cliff | E | 7 | 2 (1941, 1945) | WRCAFB |
| McFarland, Jamarkus | DT | 1 | 1 (2015) | BC |
| McField, Daaron | DT | 22 | 2 (2000–2001) | BC, EDM, HAM |
| McGahee, Casey | WR | 2 | 1 (2008) | |
| McGarity, Wane | WR | 6 | 1 (2005) | CGY |
| McGee, Jeremy | DB | 8 | 2 (2012–2013) | |
| McGloster, Jamar | OL | 0 | 1 (2019) | OTT |
| McGriggs, Lamar | LB | 90 | 6 (2000–2005) | HAM, OTT, SSK |
| McGuffie, Sam | RB | 4 | 1 (2014) | |
| McGuire, Sean | QB | 25 | 2 (2019, 2021) | |
| McHenry, Scott | SB, WR | 18 | 2 (2010–2011) | SSK |
| McKee, Walter | K, P | 48 | 3 (1972–1974) | EDM |
| McKenna, Dick | HB | 1 | 1 (1964) | |
| McKenzie, Art | E | 3 | 1 (1941) | |
| McKinlay, Neil | LB | 105 | 6 (2004–2009) | BC |
| McKnight, Kelvin | WR | 3 | 1 (2021) | |
| McLachlan, Roy | HB | 5 | 1 (1947) | |
| McLaren, Rob | LB | 80 | 5 (1969–1973) | BC, EDM, HAM |
| McLennan, Spencer | SB | 52 | 3 (1998–2000) | BC, MTL |
| McLeod, Craig | LB | 10 | 1 (1971) | CGY |
| McManus, Danny | QB | 54 | 3 (1990–1992) | BC, CGY, EDM, HAM |
| McNamara, Bob | HB, K | 29 | 4 (1955–1958) | |
| McNeil, Emanuel | DL | 4 | 1 (1991) | |
| McNerney, Pat | DT | 7 | 1 (1998) | BC, EDM, HAM |
| McPhail, George | HB | 32 | 3 (1950–1952) | MTL, OTT, SSK |
| McPherson, Grant | G, T | 0 | 1 (1951) | |
| McPherson, Jim | C, G | 65 | 5 (1949–1953) | |
| McQuarters, Eddie Jr. | G | 6 | 2 (1987–1988) | |
| McQueen, Barry | HB | 1 | 1 (1956) | |
| McTavish, Ian | T | 7 | 1 (1948) | CGY |
| McWhinney, Glen | HB | 31 | 2 (1955–1956) | EDM |
| Meadmore, Ron | DE, E, G | 48 | 7 (1955–1961) | SSK |
| Mears, Gene | C | 2 | 1 (1955) | |
| Medlock, Justin | K, P | 71 | 4 (2016–2019) | EDM, HAM, TOR |
| Meltzer, Len | HB | 26 | 5 (1950–1954) | BC |
| Mendyk, Dennis | HB | 4 | 1 (1957) | |
| Mennie, Scott | LB | 9 | 1 (2005) | MTL |
| Merz, Curt | E | 3 | 1 (1960) | OTT |
| Michels, John | G | 13 | 1 (1957) | |
| Michna, Russ | QB | 22 | 2 (2005–2006) | |
| Midgarten, Olie | C | 5 | 1 (1937) | |
| Mihelic, Mike | G | 48 | 3 (1997–1999) | HAM, TOR |
| Mikawos, Stan | DL, DT, G | 220 | 15 (1982–1996) | |
| Mikliechuk, Ted | G, LB | 10 | 4 (1958–1961) | |
| Miles, Lew | HB | 17 | 2 (1946, 1948) | |
| Miles, Thomas | LB | 54 | 3 (2017–2019) | TOR |
| Miles, Wallace | WR | 4 | 2 (2012–2013) | EDM, OTT, TOR |
| Millar, Cam | FB | 24 | 2 (1949–1950) | CGY |
| Miller, Allen | G, T | 32 | 3 (1965–1967) | HAM, SSK |
| Miller, Calvin | DE | 2 | 1 (1976) | EDM |
| Miller, Josh | DL | 3 | 1 (2008) | |
| Miller, Josh | DB | 3 | 1 (2021) | |
| Miller, Mike | FB | 61 | 4 (2017–2019, 2021) | EDM |
| Miller, Nick | HB | 129 | 12 (1953–1964) | |
| Miller, Bob | E, LB | 0 | 1 (1960) | LDN, MTL, SSK |
| Miller, Bill | HB | 6 | 1 (1964) | CGY |
| Miller, Wade | FB, LB | 159 | 11 (1995–2005) | |
| Miller, William | RB | 38 | 3 (1980–1982) | TOR |
| Miller, Willie | WR | 9 | 1 (1973) | |
| Millington, Sean | RB | 21 | 2 (1998–1999) | BC, EDM, TOR |
| Millon, Harold | HB | 1 | 1 (1948) | |
| Mills, Troy | RB | 13 | 1 (2001) | EDM, OTT, SA |
| Mimbs, Robert | RB | 43 | 3 (1990–1992) | BC, SSK |
| Miner, Thomas | E, K | 16 | 1 (1956) | CGY |
| Minnick, Phil | LB, P | 87 | 8 (1965–1970, 1972–1973) | |
| Mitchel, Eric | RB | 1 | 1 (1995) | CGY, EDM |
| Mitchell, Martin | DB | 2 | 2 (1978–1979) | |
| Mobberley, Herb | E | 26 | 4 (1936–1939) | |
| Mofford, Ian | RB | 24 | 2 (1980–1981) | MTL, OTT |
| Mogul, Lou | G, T | 51 | 6 (1936–1941) | EDM, MTL, WRCAFB |
| Molden, Bobby | DE | 3 | 1 (1979) | |
| Molle, Bob | G, OL | 99 | 7 (1986–1992) | |
| Montagano, Dave | DB | 7 | 1 (1974) | EDM, HAM, SSK |
| Monteith, Ian | HB | 9 | 1 (1963) | |
| Montgomery, Tyrone | WR | 8 | 1 (1997) | |
| Moody, Mike | G, T | 1 | 1 (1996) | |
| Moore, Nick | SB | 24 | 2 (2014–2015) | BC |
| Moore, Shawn | QB | 8 | 1 (1995) | CGY, OTT |
| Moors, Mark | C | 66 | 4 (1983–1986) | CGY, HAM, OTT |
| Moosbrugger, Michael | OL | 1 | 1 (2002) | |
| Morencie, Matt | OL | 0 | 1 (2010) | HAM |
| Moreno, Zeke | LB | 8 | 1 (2008) | HAM, TOR |
| Morgan, Brendan | DB | 45 | 3 (2015–2016, 2018) | EDM |
| Morgan, Joseph | DB | 32 | 2 (2003–2004) | |
| Morley, Steven | C, G, OG, OT | 103 | 6 (2009–2014) | CGY, SSK, TOR |
| Morris, Alex | DB | 3 | 1 (1975) | CGY, OTT, TOR |
| Morris, Dave | G, T | 4 | 1 (1936) | |
| Moseley, Willie | DL | 1 | 1 (2014) | |
| Moss, Greg Jr. | DB | 9 | 1 (2007) | OTT |
| Moten, Gary | LB | 9 | 1 (1985) | SSK, TOR |
| Motton, John | LB | 3 | 1 (1995) | BRM, HAM |
| Mourtada, Ali | K | 1 | 1 (2021) | |
| Muamba, Cauchy | DB | 18 | 1 (2013) | BC, EDM, MTL |
| Muamba, Henoc | LB | 47 | 3 (2011–2013) | MTL, SSK, TOR |
| Mudge, Dave | OL, OT, T | 89 | 6 (2000–2005) | MTL, TOR |
| Muecke, Tom Jr. | QB | 43 | 3 (1986–1988) | EDM, SHR |
| Muhammad, Mustafah | DB | 7 | 1 (2002) | BC |
| Muirbrook, Shay | LB | 3 | 1 (1999) | SSK |
| Mulhern, Brian | HB | 11 | 1 (1955) | BC, CGY |
| Mulvey, Frank | E | 11 | 5 (1939–1941, 1945, 1947) | |
| Murphy, James | WR | 121 | 8 (1983–1990) | |
| Muzika, Warren | LB | 8 | 1 (2003) | HAM |
| Muzychka, Frank | QB | 0 | 1 (1955) | |
| “M” player count: 176 | ||||