Players
| # | POS | Player Name | Club | Age |
HT |
WT | Birthplace | Status | |
|---|---|---|---|---|---|---|---|---|---|
| 14 | D | Chad Marshall | Columbus Crew | 28 | 6' 4" | 190 | USA | Active |
|
| 15 | D/M | Stephen McCarthy | New England Revolution | 24 | 6' 4" | 185 | USA | Active |
|
| 18 | GK | Ryan Meara | New York Red Bulls | 22 | 6' 4" | 185 | USA | Active |
|
| 28 | GK | Erich Marscheider | Houston Dynamo | 20 | 6' 3" | 185 | USA | Active |
|
| 7 | D | Roy Miller | New York Red Bulls | 28 | 6' 2" | 166 | Costa Rica | Active | |
| 55 | F | Danny Mwanga | Colorado Rapids | 21 | 6' 2" | 175 | Congo | Active |
|
| 27 | M | James Marcelin | 26 | 6' 2" | 175 | Haiti | Active |
|
|
| 21 | D | Tommy Meyer | LA Galaxy | 23 | 6' 2" | 175 | USA | Active | |
| 16 | D | Calum Mallace | Montreal Impact | 23 | 6' 2" | 175 | Scotland | Active |
|
| 24 | D | Carlyle Mitchell | Vancouver Whitecaps FC | 25 | 6' 2" | 175 | Trinidad & Tobago | Active | |
| D | Germán Mera | Colorado Rapids | 23 | 6' 2" | 185 | Colombia | Active | ||
| 21 | M | Justin Mapp | Montreal Impact | 28 | 6' 1" | 160 | USA | Active | |
| 4 | D/M | Brandon McDonald | D.C. United | 27 | 6' 1" | 185 | USA | Active |
|
| 28 | GK | Tim Melia | Chivas USA | 27 | 6' 1" | 190 | USA | Active |
|
| 29 | F | Maicon Santos | Chicago Fire | 29 | 6' 1" | 186 | Brazil | Active | |
| 9 | F | Justin Meram | Columbus Crew | 24 | 6' 1" | 165 | USA | Active |
|
| 4 | D | Aaron Maund | Real Salt Lake | 22 | 6' 1" | 185 | USA | Active |
|
| 31 | M/D | Michel | FC Dallas | 31 | 6' 1" | 165 | Brazil | Active | |
| 16 | M | Adam Moffat | Houston Dynamo | 27 | 6' | 175 | Scotland | Active | |
| 3 | D | Drew Moor | Colorado Rapids | 29 | 6' | 165 | USA | Active |
|
| 7 | D/M | Chance Myers | Sporting Kansas City | 25 | 6' | 165 | USA | Active |
|
| 18 | GK | Zac MacMath | Philadelphia Union | 21 | 6' | 176 | USA | Active |
|
| 32 | F | Jack McBean | LA Galaxy | 18 | 6' | 175 | USA | Active |
|
| 30 | M | Oswaldo Minda | Chivas USA | 29 | 6' | 172 | Ecuador | Active |
|
| 11 | F | Darren Mattocks | Vancouver Whitecaps FC | 22 | 6' | 165 | Jamaica | Active |
|
| 25 | D | Neven Markovic | 26 | 6' | 175 | Serbia | Active |
|
|
| 7 | F | Sherjill MacDonald | Chicago Fire | 28 | 6' | 187 | Netherlands | Active |
|
| 27 | D | Colin Mitchell | San Jose Earthquakes | 22 | 6' | 168 | USA | Active | |
| 2 | D | Ryan Miller | Portland Timbers | 28 | 5' 11" | 165 | USA | Active |
|
| 5 | D | Ashtone Morgan | Toronto FC | 22 | 5' 11" | 165 | Canada | Active |
|
| 13 | F | Keith Makubuya | 20 | 5' 11" | 165 | Canada | Active |
|
|
| 25 | D | Tommy Muller | San Jose Earthquakes | 22 | 5' 11" | 168 | United States | Active |
|
| 19 | D | Peter McGlynn | San Jose Earthquakes | 24 | 5' 11" | 165 | Ireland | Active |
|
| 9 | F | Julio Morales | Chivas USA | 19 | 5' 11" | 163 | USA | Active | |
| 18 | F | Mike Magee | LA Galaxy | 28 | 5' 10" | 160 | USA | Active | |
| 29 | M/F | Abdoulie Mansally | Real Salt Lake | 24 | 5' 10" | 160 | Gambia | Active | |
| 25 | D/M | Pablo Mastroeni | Colorado Rapids | 36 | 5' 10" | 170 | Argentina | Active | |
| 9 | F | Jack McInerney | Philadelphia Union | 20 | 5' 10" | 151 | USA | Active |
|
| 16 | M | Nico Muñiz | 20 | 5' 10" | 165 | USA | Active |
|
|
| 9 | F | Kenny Miller | Vancouver Whitecaps FC | 33 | 5' 10" | 150 | Scotland | Active | |
| 11 | M | Dax McCarty | New York Red Bulls | 26 | 5' 9" | 150 | USA | Active |
|
| 11 | M | Javier Morales | Real Salt Lake | 33 | 5' 9" | 143 | Argentina | Active |
|
| 15 | D/M | Justin Morrow | San Jose Earthquakes | 25 | 5' 9" | 165 | USA | Active |
|
| 7 | M | Felipe Martins | Montreal Impact | 22 | 5' 9" | 150 | Brazil | Active |
|
| 27 | M | Kyle Miller | Sporting Kansas City | 24 | 5' 9" | 160 | USA | Active |
|
| 23 | F | Kekuta Manneh | Vancouver Whitecaps FC | 18 | 5' 9" | 140 | Gambia | Active |
|
| 11 | M | Brian Mullan | Colorado Rapids | 35 | 5' 8" | 150 | USA | Active | |
| 15 | M | Mario Martinez | Seattle Sounders FC | 23 | 5' 8" | 154 | Honduras | Active |
|
| 19 | F | Amando Moreno | New York Red Bulls | 17 | 5' 7" | 145 | USA | Active | |
| 8 | M | Edgar Mejía | Chivas USA | 24 | 5' 7" | 174 | Mexico | Active |
|