M
| Name | Position | College | Years Played |
|---|---|---|---|
| MacAfee, Ken | E | Alabama | 1959 |
| Macioszczck, Art | FB | Western Michigan | 1948 |
| Macklin, David | CB | Penn St. | 2007 |
| MacMurdo, Jim | T | Pittsburgh | 1932-33 |
| Madarik, Elmer | B | Detroit | 1948 |
| Malinchak, Bill | WR | Indiana | 1970-74, 1976 |
| Malone, Benny | RB | Arizona St. | 1978-79 |
| Malone, Charley | E | Texas A&M | 1934-40, 1942 |
| Mandeville, Chris | DB | Cal-Davis | 1989 |
| Manley, Dexter | DE | Oklahoma St. | 1981-89 |
| Mann, Charles | DE | Nevada-Reno | 1983-93 |
| Manton, Tilly | FB | TCU | 1938 |
| Manusky, Greg | LB | Colgate | 1988-90 |
| Marciniak, Ron | C | Kansas St. | 1955 |
| Marcus, Pete | E | Kentucky | 1944 |
| Marshall, Byron | RB | Oregon | 2017-18 |
| Marshall, Lemer | LB | Michigan ST. | 2002-06 |
| Marshall, Leonard | DT | LSU | 1994 |
| Marshall, Rich | T | Stephen F. Austin | 1966 |
| Marshall, Wilber | LB | Florida | 1988-92 |
| Martin, Aaron | DB | North Carolina College | 1968 |
| Martin, Jamie | QB | Weber St. | 1997 |
| Martin, Jim | K | Notre Dame | 1964 |
| Martin, Steve | DE | Jackson St. | 1987 |
| Mason, Eddie | LB | North Carolina | 1999-02 |
| Mason, Marcus | RB | Youngstown St. | 2009 |
| Mason, Tommy | RB | Tulane | 1971-72 |
| Masterson, Bob | E | Miami (Fla.) | 1938-43 |
| Maston, Le'Shai | FB | Baylor | 1998 |
| Matich, Trevor | C | BYU | 1994-96 |
| Matthews, Shane | QB | Florida | 2002 |
| Mattson, Riley | T | Oregon | 1961-64 |
| Mauti, Rich | WR | Penn St. | 1984 |
| May, Mark | T | Pittsburgh | 1981-89 |
| Mayhew, Martin | CB | Florida St. | 1989-92 |
| Mays, Alvoid | CB | West Virginia | 1990-94 |
| Mays, Damon | WR | Missouri | 1996 |
| Mazurek, Fred | B | Pittsburgh | 1965-66 |
| McCabe, Dick | B | Pittsburgh | 1959 |
| McCants, Damerien | WR | Delaware St. | 2002-04 |
| McCardell, Keenan | WR | UNLV | 2007 |
| McCauley, Marcus | CB | Fresno St. | 2009 |
| McChesney, Bob | E | UCLA | 1936-42 |
| McClain, Terrell | DL | South Florida | 2017 |
| McClellion, Central | CB | Ohio St. | 2001 |
| McClure, Stefan | S | California | 2017 |
| McCoy, Anthony | TE | USC | 2015 |
| McCoy, Colt | QB | Texas | 2014-18 |
| McCrary, Greg | TE | Clark | 1978, 1981 |
| McCune, Robert | LB | Louisville | 2005-06 |
| McCullough, Sultan | RB | USC | 2003 |
| McDaniel, John | WR | Lincoln | 1978-80 |
| McDaniel, Le Charles | CB | Cal Poly | 1981-82 |
| McDole, Ron | DE | Nebraska | 1971-78 |
| McDonald, Ray | RB | Idaho | 1967-68 |
| McEwen, Craig | TE | Utah | 1987-88 |
| McGee, Stacy | DL | Oklahoma | 2017-18 |
| McGee, Tim | WR | Tennessee | 1993 |
| McGee, Tony | DE | Bishop (TX) | 1982-84 |
| McGrath, Mark | WR | Montana St. | 1983-85 |
| McGriff, Curtis | DT | Alabama | 1987 |
| McIntosh, Rocky | LB | Miami (Fla.) | 2006-11 |
| McKee, Paul | E | Syracuse | 1947-48 |
| McKeever, Marlin | LB | USC | 1968-70 |
| McKenzie, Raleigh | G | Tennessee | 1985-94 |
| McKinney, Zion | WR | South Carolina | 1980 |
| McLinton, Harold | LB | Southern | 1969-78 |
| McMillan, Mark | CB | Alabama | 1999 |
| McNabb, Donovan | QB | Syracuse | 2010 |
| McNeil, Clifton | WR | Grambling St. | 1971-72 |
| McNeil, Nick | LB | Western California | 2005 |
| McPhail, Hal | FB | Xavier | 1934-35 |
| McQuaid, Dan | T | UNLV | 1985-87 |
| McQuilken, Kim | QB | Lehigh | 1978-80 |
| McRae, Stan | E | Michigan St. | 1946 |
| Meade, Jim | B | Maryland | 1939-40 |
| Meads, Johnny | LB | Nicholls St. | 1992 |
| Meadows, Ed | DB | Duke | 1959 |
| Melinger, Steve | E | Kentucky | 1956-57 |
| Mendenhall, Mat | DE | BYU | 1981-82 |
| Meriweather, Brandon | S | Miami (Fla.) | 2012-14 |
| Merkle, Ed | G | Oklahoma A&M | 1944 |
| Merling, Phillip | DE | Clemson | 2013 |
| Mercein, Chuck | RB | Yale | 1969 |
| Metcalf, Terry | RB | San Diego St. | 1981 |
| Michaels, Ed | G | Villanova | 1937 |
| Micka, Mike | FB | Colgate | 1944 |
| Mickles, Joe | RB | Mississippi | 1989 |
| Middleton, Ron | TE | Auburn | 1988, 1990-93 |
| Millen, Matt | LB | Penn St. | 1991 |
| Miller, Allen | LB | Ohio | 1962-63 |
| Miller, Clark | DE | Utah St. | 1969 |
| Miller Dan | K | Miami (Fla.) | 1982 |
| Miller, Fred | T | Pacific | 1955 |
| Miller, Gabe | LB | Oregon St. | 2014 |
| Miller, John | T | Boston College | 1956, 1958-59 |
| Miller, Tom | B | Hampden-Sydney | 1945 |
| Millner, Wayne | E | Notre Dame | 1936-41, 1945 |
| Mills, Lamar | DT | Indiana | 1994 |
| Milot, Rich | LB | Penn St. | 1979-87 |
| Milstead, Rod | G | Delaware St. | 1998-99 |
| Mims, Chris | DT | Tennessee | 1997 |
| Mingo, Gene | K | No College | 1967 |
| Minnifield, Chase | CB | Virginia | 2014 |
| Mitchell, Bobby | FL | Illinois | 1962-68 |
| Mitchell, Brian | RB | SW Louisi8ana | 1990-99 |
| Mitchell, Kevin | LB | Syracuse | 2000-03 |
| Mitchell, Marko | WR | Nevada | 2009 |
| Mitchell, Michael | CB | Howard Payne | 1987 |
| Mix, Anthony | WR | Auburn | 2007 |
| Modzelewski, Dick | DT | Maryland | 1953-54 |
| Mojsiejenko, Ralf | P | Michigan St. | 1989-90 |
| Molinaro, Jim | OL | Notre Dame | 2004-06 |
| Momsen, Tony | C | Michigan | 1952 |
| Monachino, Jim | B | California | 1955 |
| Monaco, Ray | G | Holy Cross | 1944 |
| Monasco, Don | B | Texas | 1954 |
| Monk, Art | WR | Syracuse | 1980-93 |
| Mont, Tommy | QB | Maryland | 1947-49 |
| Montgomery, Anthony | DT | Minnesota | 2006-09 |
| Montgomery, Will | OL | Virginia Tech | 2008-13 |
| Moody, Nick | LB | Florida St. | 2016 |
| Moore, Chuck | G | Arkansas | 1962 |
| Moore, Darryl | G | UTEP | 1992-93 |
| Moore, Jeff | RB | Jackson St. | 1984 |
| Moore, Larry | C | BYU | 2002-03 |
| Moore, Kareem | S | Nicholls St. | 2008-10 |
| Moore, Michael | G | Troy St. | 2000 |
| Moore, Wilbur | B | Minnesota | 1939-46 |
| Moran, Jim | G | Holy Cross | 1935-36 |
| Moreau, Fabian | CB | UCLA | 2017-18 |
| Morgan, Bob | DT | Maryland | 1954 |
| Morgan, Boyd | S | USC | 1939-40 |
| Morgan, Joshua | WR | Virginia Tech | 2012-13 |
| Morgan, Mike | LB | LSU | 1968 |
| Morley, Sam | E | Stanford | 1954 |
| Morris, Alfred | RB | Florida Atlantic | 2012-15 |
| Morris, Jamie | RB | Michigan | 1988-89 |
| Morrison, Darryl | S | Arizona | 1993-96 |
| Morrison, Tim | CB | North Carolina | 1986-87 |
| Mortensen, Fred | QB | Arizona St. | 1979 |
| Morton, Chad | RB | USC | 2003-04 |
| Morton, Christian | DB | Illinois | 2005 |
| Morton, Michael | RB | UNLV | 1985 |
| Moseley, Mark | K | Stephen F. Austin | 1974-86 |
| Moses, Morgan | T | Virginia | 2014-17 |
| Moss, Eddie | RB | SE Missouri St. | 1977 |
| Moss, Joe | T | Maryland | 1952 |
| Moss, Santana | WR | Miami (Fla.) | 2005-14 |
| Muhammad, Calvin | WR | TX Southern | 1984-85 |
| Mul-Key, Herb | RB | No College | 1972-74 |
| Murphy, Jerome | CB | South Florida | 2012-13 |
| Murphy, Mark | S | Colgate | 1977-84 |
| Murphy, Trent | lb | Stanford | 2014-16 |
| Murray, Eddie | K | Tulane | 1995, 2000 |
| Murrell, Adrian | RB | West Virginia | 2000 |
| Musgrove, Spain | DT | Utah St. | 1967-69 |
| Musick, Jim | FB | USC | 1932-33, 1935-36 |
| Myers, Rob | TE | Utah St. | 2011 |
| Myslinski, Tom | G | Tennessee | 1992 |
| McKinzy, Cassanova | LB | Auburn | 2018 |
| McPhee, Pernell | LB | Mississippi St. | 2018 |
| Miller, Harlan | CB | SE Louisiana | 2018 |
