Players
| nº | POS | Player Name | Club | Age | HT | WT | Birthplace | Status | |
|---|---|---|---|---|---|---|---|---|---|
| 92 | F | Dimitry Imbongo | New England Revolution | 22 | 6' | 160 | DR Congo | Active | |
| 31 | M | Marvin Iraheta | Chivas USA | 20 | 5' 9" | 155 | El Salvador | Active |
|
| 31 | GK | Clint Irwin | Colorado Rapids | 24 | 6' 3" | 195 | USA | Active |
|
| 4 | M | Andrew Jacobson | FC Dallas | 27 | 6' 2" | 185 | USA | Active |
|
| 14 | F | Adam Jahn | San Jose Earthquakes | 22 | 6' 3" | 185 | USA | Active |
|
| 5 | D | Dejan Jakovic | D.C. United | 27 | 6' 2" | 186 | Croatia | Active |
|
| 26 | D | Julius James | 28 | 6' | 180 | Trinidad & Tobago | Active |
|
|
| 36 | M | Evan James | 22 | 5' 11" | 161 | Canada | Active |
|
|
| 13 | D | Ante Jazic | Chivas USA | 36 | 5' 11" | 175 | Canada | Active |
|
| 35 | D | Andrew Jean-Baptiste | Portland Timbers | 20 | 6' 2" | 205 | USA | Active |
|
| 24 | D | Mechack Jerome | Sporting Kansas City | 22 | 5' 10" | 165 | Haiti | Active | |
| 13 | M | Jack Jewsbury | Portland Timbers | 31 | 6' | 185 | USA | Active |
|
| 16 | M | Hector Jimenez | LA Galaxy | 25 | 5' 9" | 140 | USA | Active |
|
| 5 | D | Adam Johansson | Seattle Sounders FC | 29 | 5' 11" | 165 | Sweden | Active |
|
| 14 | D | George John | FC Dallas | 25 | 6' 3" | 200 | USA | Active |
|
| 7 | F | Eddie Johnson | Seattle Sounders FC | 28 | 6' | 180 | USA | Active |
|
| 9 | F/M | Ryan Johnson | Portland Timbers | 28 | 6' 1" | 180 | Jamaica | Active | |
| 4 | M | Will Johnson | Portland Timbers | 25 | 5' 10" | 160 | Canada | Active |
|
| 25 | GK | Sean Johnson | Chicago Fire | 23 | 6' 3" | 217 | USA | Active |
|
| 14 | F | Jason Johnson | Houston Dynamo | 22 | 6' | 180 | Jamaica | Active | |
| 21 | M | Shalrie Joseph | Seattle Sounders FC | 34 | 6' 3" | 180 | Grenada | Active |
|
| 19 | M | Peterson Joseph | Sporting Kansas City | 22 | 5' 8" | 132 | Haiti | Active |
|
| 99 | D | Hunter Jumper | Chicago Fire | 23 | 6' 2" | 173 | USA | Active |
|
| 19 | M | Juninho | LA Galaxy | 23 | 5' 7" | 140 | Brazil | Active |
|
| 8 | M | Juninho | New York Red Bulls | 37 | 5' 10" | 156 | Brazil | Active | |
| D | Pah Modou Kah | Portland Timbers | 32 | 6' 1" | 175 | The Gambia | Active | ||
| 23 | F | Kei Kamara | Sporting Kansas City | 29 | 6' 3" | 186 | Sierra Leone | Active |
|
| 1 | GK | Alec Kann | Chicago Fire | 22 | 6' 4" | 190 | USA | Active | |
| 8 | M | Matt Kassel | Philadelphia Union | 23 | 6' | 172 | USA | Active |
|
| 7 | F | Robbie Keane | LA Galaxy | 32 | 5' 9" | 160 | Ireland | Active | |
| 22 | D | Stephen Keel | FC Dallas | 29 | 6' | 185 | USA | Active | |
| 33 | D | Taylor Kemp | D.C. United | 22 | 5' 11" | 153 | USA | Active |
|
| 1 | GK | Dan Kennedy | Chivas USA | 30 | 6' 1" | 200 | USA | Active |
|
| 27 | D | Kosuke Kimura | New York Red Bulls | 28 | 5' 8" | 155 | Japan | Active |
|
| 29 | D | Kory Kindle | Colorado Rapids | 21 | 5' 11" | 185 | USA | Active |
|
| 16 | M | Brendan King | Chicago Fire | 22 | 6' | 160 | USA | Active |
|
| 28 | D | Steven Kinney | Chicago Fire | 25 | 6' | 183 | USA | Active |
|
| 23 | M/D | Perry Kitchen | D.C. United | 20 | 6' | 160 | USA | Active |
|
| 32 | D | Greg Klazura | Vancouver Whitecaps FC | 23 | 5' 10" | 150 | USA | Active |
|
| M | Kléberson | Philadelphia Union | 33 | 5' 9" | 141 | Brazil | Active | ||
| 15 | D | Chris Klute | Colorado Rapids | 23 | 6' 1" | 172 | USA | Active | |
| 18 | G | Brad Knighton | Vancouver Whitecaps FC | 27 | 6' 1" | 180 | USA | Active |
|
| 14 | M | Daigo Kobayashi | Vancouver Whitecaps FC | 29 | 5' 10" | 150 | Japan | Active |
|
| 30 | GK | Milos Kocic | Portland Timbers | 28 | 6' 4" | 200 | Serbia | Active |
|
| 14 | F | Danny Koevermans | Toronto FC | 35 | 6' 3" | 175 | Netherlands | Active | |
| 28 | M | Gershon Koffie | Vancouver Whitecaps FC | 21 | 5' 11" | 155 | Ghana | Active |
|
| 1 | GK | Chris Konopka | Philadelphia Union | 27 | 6' 5" | 215 | USA | Active |
|
| 22 | D | Chris Korb | D.C. United | 25 | 5' 9" | 160 | USA | Active | |
| 18 | GK | Eric Kronberg | Sporting Kansas City | 29 | 6' 5" | 210 | USA | Active |
|
| 20 | M | Matías Laba | Toronto FC | 21 | 5' 9" | 154 | Argentina | Active |