Players
| nº | POS | Player Name | Club | Age | HT | WT | Birthplace | Status | |
|---|---|---|---|---|---|---|---|---|---|
| 4 | D | Jámison Olave | New York Red Bulls | 31 | 6' 3" | 210 | Colombia | Active | |
| 13 | D | Lawrence Olum | Sporting Kansas City | 28 | 6' 2" | 185 | Kenya | Active | |
| 3 | D | Ike Opara | Sporting Kansas City | 23 | 6' 2" | 180 | USA | Active |
|
| 28 | D | Kofi Opare | LA Galaxy | 22 | 6' 2" | 190 | Canada | Active |
|
| 26 | D | Emilio Orozco | Chivas USA | 20 | 5' 11" | 167 | USA | Active |
|
| 21 | M | Jonathan Osorio | Toronto FC | 20 | 5' 9" | 160 | Canada | Active |
|
| 34 | D | Karl Ouimette | Montreal Impact | 20 | 6' | 175 | Canada | Active |
|
| 22 | M | Brian Ownby | Houston Dynamo | 22 | 6' | 160 | USA | Active | |
| 26 | F | Lionard Pajoy | D.C. United | 31 | 6' 1" | 185 | Colombia | Active |
|
| 11 | M | Daniel Paladini | Chicago Fire | 28 | 5' 9" | 164 | USA | Active |
|
| 7 | M/D | Lovel Palmer | Real Salt Lake | 28 | 5' 10" | 160 | Jamaica | Active |
|
| 35 | F | Daniele Paponi | Montreal Impact | 24 | 6' | 159 | Italy | Active |
|
| 31 | D | Jeff Parke | Philadelphia Union | 30 | 6' 1" | 185 | USA | Active | |
| 12 | M | Logan Pause | Chicago Fire | 31 | 5' 10" | 158 | USA | Active | |
| 3 | D | Heath Pearce | New York Red Bulls | 28 | 5' 10" | 175 | USA | Active |
|
| 9 | F | Blas Pérez | FC Dallas | 31 | 6' 1" | 174 | Panama | Active |
|
| 24 | GK | Brian Perk | LA Galaxy | 23 | 5' 11" | 175 | USA | Active |
|
| 1 | GK | Troy Perkins | Montreal Impact | 31 | 6' 2" | 190 | USA | Active | |
| 37 | M | Jacob Peterson | Sporting Kansas City | 26 | 5' 10" | 165 | USA | Active |
|
| 18 | GK | Matt Pickens | Colorado Rapids | 31 | 6' 3" | 200 | USA | Active | |
| 27 | M | Victor Pineda | Chicago Fire | 19 | 5' 11" | 152 | USA | Active |
|
| 10 | F | Frédéric Piquionne | Portland Timbers | 34 | 6' 2" | 170 | France | Active | |
| 31 | M | Andrea Pisanu | Montreal Impact | 30 | 5' 11" | 160 | Italy | Active |
|
| 8 | F | Joao Plata | Real Salt Lake | 21 | 5' 2" | 135 | Ecuador | Active |
|
| 18 | M | Martín Ponce | Chivas USA | 20 | 5' 6" | 149 | Mexico | Active | |
| 13 | M/F | Chris Pontius | D.C. United | 25 | 6' | 170 | USA | Active |
|
| 19 | M | Kyle Porter | D.C. United | 22 | 6' | 160 | Canada | Active |
|
| 8 | M | Dillon Powers | Colorado Rapids | 21 | 5' 11" | 172 | United States | Active |
|
| 99 | F | Alec Purdie | 24 | 5' 10" | 185 | USA | Active |
|
|
| 25 | D | Steve Purdy | Chivas USA | 28 | 6' 4" | 190 | USA | Active |
|
| 9 | F | Rafael | D.C. United | 20 | 6' | 179 | Brazil | Active |
|
| 92 | F | Rafinha | New York Red Bulls | 21 | 5' 10" | 155 | Brazil | Active | |
| M | Mike Reidy | 22 | 5' 7" | 150 | USA | Active |
|
||
| 1 | GK | Matt Reis | New England Revolution | 37 | 6' 1" | 196 | USA | Active | |
| 45 | D | Dylan Remick | Seattle Sounders FC | 21 | 6' | 165 | USA | Active |
|
| 26 | M | Charles Renken | 19 | 5' 7" | 140 | Zambia | Active | ||
| 13 | M/D | Nigel Reo-Coker | Vancouver Whitecaps FC | 28 | 5' 9" | 170 | England | Active | |
| D/M | Andrew Ribeiro | 22 | 6' | 180 | Active | ||||
| 16 | F | Brent Richards | Portland Timbers | 22 | 5' 10" | 165 | USA | Active |
|
| F | Ryan Richter | Toronto FC | 23 | 6' 2" | 175 | USA | Active |
|
|
| 1 | GK | Donovan Ricketts | Portland Timbers | 35 | 6' 4" | 215 | Jamaica | Active | |
| 2 | D | James Riley | D.C. United | 30 | 5' 10" | 150 | USA | Active |
|
| 18 | G | Nick Rimando | Real Salt Lake | 33 | 5' 9" | 184 | USA | Active |
|
| 24 | F | Sebastián Rincón | Portland Timbers | 18 | 6' 1" | 175 | Colombia | Active |
|
| 5 | M | Brad Ring | San Jose Earthquakes | 25 | 5' 10" | 165 | USA | Active |
|
| 2 | D | Nelson Rivas | Montreal Impact | 29 | 5' 11" | 180 | Colombia | Active | |
| 6 | F | José Manuel Rivera | Chivas USA | 26 | 5' 10" | 175 | Mexico | Active | |
| 10 | M | Martin Rivero | Colorado Rapids | 23 | 5' 9" | 160 | Argentina | Active |
|
| 6 | M | Michael Roach | 24 | 6' | 165 | USA | Active |
|
|
| 40 | GK | Quillan Roberts | Toronto FC | 18 | 6' | 193 | Canada | Active |
|