Players
| # |
POS |
Player Name | Club | Age | HT | WT | Birthplace | Status | |
|---|---|---|---|---|---|---|---|---|---|
| 4 | D | Jámison Olave | New York Red Bulls | 32 | 6' 3" | 210 | Colombia | Active | |
| 3 | D | Ike Opara | Sporting Kansas City | 24 | 6' 2" | 180 | USA | Active |
|
| 13 | D | Lawrence Olum | Sporting Kansas City | 28 | 6' 2" | 185 | Kenya | Active | |
| 34 | D | Karl Ouimette | Montreal Impact | 20 | 6' | 175 | Canada | Active |
|
| 40 | D | Andy O'Brien | Vancouver Whitecaps FC | 33 | 6' 3" | 175 | England | Active |
|
| 48 | D | Darren O'Dea | Toronto FC | 26 | 6' 1" | 180 | Ireland | Active | |
| 28 | D | Kofi Opare | LA Galaxy | 22 | 6' 2" | 190 | Canada | Active |
|
| 26 | D | Emilio Orozco | Chivas USA | 21 | 5' 11" | 167 | USA | Active |
|
| 5 | D/M | Danny O'Rourke | Columbus Crew | 29 | 6' | 165 | USA | Active | |
| 26 | F | Sammy Ochoa | Seattle Sounders FC | 26 | 6' | 195 | Mexico | Active |
|
| 11 | F/M | Dominic Oduro | Columbus Crew | 27 | 6' | 160 | Ghana | Active |
|
| 14 | M | Amobi Okugo | Philadelphia Union | 22 | 6' | 175 | USA | Active |
|
| 22 | M | Brian Ownby | Houston Dynamo | 22 | 6' | 160 | USA | Active | |
| 36 | M | Shane O'Neill | Colorado Rapids | 19 | 6' 2" | 190 | Ireland | Active |
|
| 21 | M | Jonathan Osorio | Toronto FC | 20 | 5' 9" | 160 | Canada | Active |
|
| 33 | M | Marius Obekop | New York Red Bulls | 18 | 5' 10" | 168 | Cameroon | Active |