| 14 | Tyrone Marshall | Defender | 34 | Toronto (MLS, 2007-08) |
| 12 | Nathan Sturgis | Defender | 22 | Salt Lake (MLS, 2007-08) |
| 4 | Patrick Ianni | Defender | 24 | Houston (MLS, 2006-08) |
| 20 | Zach Scott | Defender | 29 | Seattle (USL-1, 2002-08) |
| 5 | Tyson Wahl | Defender | 25 | Kansas City (MLS, 2006-08) |
| 26 | Taylor Graham | Defender | 29 | Seattle (USL-1, 2005, 2007-08) |
| 19 | Leonardo Gonzalez | Defender | 28 | Municipal Liberia (Costa Rica, 2009) |
| 34 | Jhon Kennedy Hurtado | Defender | 25 | Cali (Colombia, 2008) |
| 7 | James Riley | Defender | 26 | San Jose (MLS, 2008) |
| 25 | Pat Noonan | Forward | 29 | Colorado (MLS, 2009) |
| 16 | David Estrada | Forward | 22 | UCLA |
| 17 | Fredy Montero | Forward | 22 | Cali (Colombia, 2005-09) |
| 24 | Roger Levesque | Forward | 28 | Seattle (USL-1, 2004-08) |
| 11 | Steve Zakuani | Forward | 21 | Akron |
| 21 | Nate Jaqua | Forward | 27 | Houston (MLS, 2008) |
| 28 | Terry Boss | Goalkeeper | 27 | New York (2008-09) |
| 18 | Kasey Keller | Goalkeeper | 39 | Fulham (England, 2007-08) |
| 2 | Michael Fucito | Midfielder | 24 | Harvard |
| 15 | Stephen King | Midfielder | 23 | Chicago (MLS, 2008) |
| 6 | Osvaldo Alonso | Midfielder | 23 | Charleston (USL-1, 2008) |
| 8 | Peter Vagenas | Midfielder | 31 | Los Angeles (MLS, 2000-08) |
| 3 | Brad Evans | Midfielder | 24 | Columbus (MLS, 2007-08) |
| 23 | Sanna Nyassi | Midfielder | 20 | Seattle (USL-1, 2008) |
| 10 | Freddie Ljungberg | Midfielder | 32 | West Ham (England, 2007-08) |
