USA
Formed: 1913 Manager: Bob Bradley [USA]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Current Club |
| 1 | Tim Howard | USA | G | 1.91 | 95 | 06-03-79 | North Brunswick | Everton |
| 2 | Jonathan Spector | USA | D | 1.82 | 79 | 01-03-86 | Arlington Heights | West Ham U |
| 3 | Carlos Bocanegra | USA | D | 1.83 | 78 | 25-05-79 | Alta Loma | Rennes |
| 4 | Michael Bradley | USA | M | 1.85 | 82 | 31-07-87 | Palatine | B Mönchengladbach |
| 5 | Oguchi Onyewu | USA | D | 1.92 | 91 | 13-05-82 | Washington | Milan |
| 6 | Steve Cherundolo | USA | D | 1.68 | 66 | 19-02-79 | Rockford | Hannover 96 |
| 7 | DaMarcus Beasley | USA | M | 1.73 | 66 | 24-05-82 | Fort Wayne | Rangers |
| 8 | Clint Dempsey | USA | M | 1.86 | 84 | 09-03-83 | Nacogdoches | Fulham |
| 9 | Hérculez Gómez | USA | F | 1.78 | 75 | 06-04-82 | Las Vegas | Puebla |
| 10 | Landon Donovan | USA | F | 1.73 | 72 | 04-03-82 | Ontario | LA Galaxy |
| 11 | Stuart Holden | USA | M | 1.78 | 73 | 01-08-85 | Aberdeen | Bolton W |
| 12 | Jonathan Bornstein | USA | D | 1.75 | 66 | 07-11-84 | Torrance | Chivas USA |
| 13 | Ricardo Clark | USA | M | 1.78 | 68 | 10-02-83 | Atlanta | Eintracht Frankfurt |
| 14 | Edson Buddle | USA | F | 1.85 | 77 | 21-05-81 | New Rochelle | LA Galaxy |
| 15 | Jay DeMerit | USA | D | 1.80 | 82 | 04-12-79 | Green Bay | Watford |
| 16 | José Torres | USA | M | 1.65 | 61 | 29-10-87 | Longview | Pachuca |
| 17 | Jozy Altidore | USA | F | 1.82 | 78 | 06-11-89 | Boca Raton | Villarreal |
| 18 | Brad Guzan | USA | G | 1.93 | 94 | 09-09-84 | Home Glen | Aston Villa |
| 19 | Maurice Edu | USA | M | 1.83 | 77 | 18-04-86 | San Bernardino | Rangers |
| 20 | Robbie Findley | USA | F | 1.75 | 75 | 04-08-85 | Phoenix | Real Salt Lake |
| 21 | Clarence Goodson | USA | D | 1.93 | 77 | 17-05-82 | Alexandria | Start |
| 22 | Benny Feilhaber | USA | M | 1.75 | 68 | 19-01-85 | Rio de Janeiro | Aarhus |
| 23 | Marcus Hahnemann | USA | G | 1.91 | 99 | 15-06-72 | Seattle | Wolverhampton W |