| Abel Aguilar | midfielder | Colombia | January 6, 1985 |
| Adrian Serioux | defender | Canada, Trinidad and Tobago | May 12, 1979 |
| Alain Sutter | midfielder | Switzerland | January 22, 1968 |
| Alan Velasco | forward | Argentina | July 27, 2002 |
| Ariel Graziani | forward | Argentina, Ecuador | June 7, 1971 |
| Arturo Álvarez | wing half | United States, El Salvador | June 28, 1985 |
| Bakary Soumaré | defender | France, United States, Mali | September 9, 1985 |
| Blas Pérez | forward | Panama | March 13, 1981 |
| Brad Davis | wing half | United States | November 8, 1981 |
| Brek Shea | wing half | Norway, United States | February 28, 1990 |
| Bryan Acosta | midfielder | Honduras | November 24, 1993 |
| Bryan Reynolds | defender | United States | June 28, 2001 |
| Carlos Gruezo | midfielder | Ecuador | April 19, 1995 |
| Carlos Ruiz | forward | Guatemala | September 15, 1979 |
| Chad Deering | midfielder | United States | September 2, 1970 |
| Chris Seitz | goalkeeper | United States | March 12, 1987 |
| Clarence Goodson | defender | United States | May 17, 1982 |
| Cornell Glen | forward | Trinidad and Tobago | October 21, 1980 |
| Daniel Cruz | midfielder | Colombia | May 9, 1981 |
| Dave van den Bergh | midfielder, defender | Kingdom of the Netherlands | May 7, 1976 |
| David Texeira | forward | Uruguay | February 27, 1991 |
| Dax McCarty | midfielder | United States | April 30, 1987 |
| Dominic Oduro | forward | Ghana | August 13, 1985 |
| Dominique Badji | forward | Senegal, United States | October 16, 1992 |
| Drew Moor | defender | United States | January 15, 1984 |
| Duilio Davino | centre-back | Mexico | March 21, 1976 |
| Edwin Gyasi | wing half | Kingdom of the Netherlands | July 1, 1991 |
| Eric Alexander | midfielder | United States | April 14, 1988 |
| Eric Hassli | forward | France | May 3, 1981 |
| Ezequiel Cirigliano | midfielder | Argentina | January 24, 1992 |
| Ezra Hendrickson | defender | Saint Vincent and the Grenadines | January 16, 1972 |
| Fabián Castillo | wing half | Colombia | June 17, 1992 |
| Franco Jara | forward | Argentina | July 15, 1988 |
| Fuad Ibrahim | forward | Ethiopia, United States | August 15, 1991 |
| Gavin Glinton | forward | United Kingdom | March 1, 1979 |
| Greg Vanney | defender | United States | June 11, 1974 |
| Heath Pearce | full-back | United States | August 13, 1984 |
| Hendry Thomas | midfielder | Honduras | February 23, 1985 |
| Hugo Sánchez | forward | Mexico | July 11, 1958 |
| Jason Kreis | midfielder | United States | December 29, 1972 |
| Je-Vaughn Watson | midfielder | Jamaica | October 22, 1983 |
| Jesús Ferreira | forward | United States, Colombia | December 24, 2000 |
| John Jairo Tréllez | forward | Colombia | April 29, 1968 |
| Joselito Vaca | midfielder | Bolivia | August 12, 1982 |
| Julian de Guzman | midfielder | Canada | March 25, 1981 |
| Justin Che | defender | Germany, United States | November 18, 2003 |
| Kellyn Acosta | midfielder | United States | July 24, 1995 |
| Kenny Cooper | forward | United States | October 21, 1984 |
| Kevin Hartman | goalkeeper | United States | May 25, 1974 |
| Kyle Bekker | midfielder | Canada | September 2, 1990 |
| Leonel Álvarez | midfielder | Colombia | July 29, 1965 |
| Luboš Kubík | midfielder | Czech Republic, Czechoslovakia | January 20, 1964 |
| Maarten Paes | goalkeeper | Indonesia, Kingdom of the Netherlands | May 14, 1998 |
| Matt Hedges | defender | United States | April 1, 1990 |
| Mauro Rosales | midfielder | Argentina | February 24, 1981 |
| Maximiliano Urruti | forward | Argentina | February 22, 1991 |
| Maynor Figueroa | full-back | Honduras | May 2, 1983 |
| Michel Garbini Pereira | defender, full-back | Brazil, Italy | June 9, 1981 |
| Moises Hernandez | defender | United States, Guatemala | March 5, 1992 |
| Paxton Pomykal | midfielder | United States | December 17, 1999 |