| Player | Position | Nationality | Born |
|---|
| Aaron Long | defender | United States | October 12, 1992 |
| Adam Johansson | full-back | Sweden | February 21, 1983 |
| Andreas Ivanschitz | midfielder | Austria | October 15, 1983 |
| Blaise Nkufo | forward | Switzerland | May 25, 1975 |
| Brad Evans | midfielder, defender | United States | April 20, 1985 |
| Chad Marshall | defender | United States | August 22, 1984 |
| Christian Tiffert | midfielder, defender | East Germany, Germany | February 18, 1982 |
| Clint Dempsey | midfielder, forward, wing half | United States | March 9, 1983 |
| Cristian Roldan | midfielder | United States | June 3, 1995 |
| Damion Lowe | defender | Jamaica | May 5, 1993 |
| DeAndre Yedlin | full-back | Latvia, United States | July 9, 1993 |
| Erik Friberg | midfielder | Sweden | February 10, 1986 |
| Freddie Ljungberg | winger | Sweden | April 16, 1977 |
| Fredy Montero | forward | Colombia | July 26, 1987 |
| Gonzalo Pineda | midfielder | Mexico | October 19, 1982 |
| Herculez Gomez | forward | United States, Mexico | April 6, 1982 |
| Jalil Anibaba | defender | United States | October 19, 1988 |
| Jarrod Smith | forward | New Zealand | June 20, 1984 |
| Jeff Parke | centre-back, defender | United States | March 23, 1982 |
| Joevin Jones | midfielder | Trinidad and Tobago | August 3, 1991 |
| Josh Atencio | midfielder | United States | January 31, 2002 |
| Kasey Keller | goalkeeper | United States | November 29, 1969 |
| Kenny Cooper | forward | United States | October 21, 1984 |
| Leonardo González | full-back | Costa Rica | November 21, 1980 |
| Marc Burch | defender | United States | May 7, 1984 |
| Marco Pappa | wing half | Guatemala | November 15, 1987 |
| Mario Martínez | midfielder | Honduras | July 30, 1989 |
| Mauro Rosales | midfielder | Argentina | February 24, 1981 |
| Michael Gspurning | goalkeeper | Austria | May 2, 1981 |
| Micheal Azira | midfielder | Uganda, United States | August 22, 1987 |
| Nelson Valdez | forward | Paraguay | November 28, 1983 |
| Nouhou Tolo | defender | Cameroon | June 23, 1997 |
| Obafemi Martins | forward | Nigeria | October 28, 1984 |
| Obed Vargas | midfielder | Spain, United States, Mexico | August 5, 2005 |
| Oniel Fisher | defender | Jamaica | November 22, 1991 |
| Onyekachi Apam | defender | Nigeria | December 30, 1986 |
| Osvaldo Alonso | midfielder | Cuba, United States | November 11, 1985 |
| Román Torres | defender | Panama | March 20, 1986 |
| Sam Rogers | defender | United States | May 17, 1999 |
| Tyrone Mears | full-back | United Kingdom | February 18, 1983 |
| Waylon Francis | defender, full-back | Costa Rica | September 20, 1990 |
| Xavier Arreaga | defender | Ecuador | September 28, 1994 |
| Álvaro Fernández | midfielder | Uruguay | October 11, 1985 |