| Player | Overall | First | Last |
| Alex Afonso (Miami FC Blues) | 8 | (3) | 6 | (2) | 1 | |
| Patterson (Charleston Battery) | 7 | | 4 | | 1 | |
| Le Toux (Seattle Sounders) | 6 | (1) | 1 | | 2 | |
| Kandji (Atlanta Silverbacks) | 6 | | 4 | | 1 | |
| Brown (Portland Timbers) | 5 | | 4 | | 1 | |
| McLaughlin (Atlanta Silverbacks) | 5 | | 1 | | 0 | |
| Salles (Rochester Raging Rhinos) | 4 | (1) | 2 | (1) | 2 | |
| Sebrango (Vancouver Whitecaps) | 4 | | 3 | | 0 | |
| Tarley (Minnesota Thunder) | 4 | | 2 | | 2 | |
| King (Charleston Battery) | 4 | | 0 | | 2 | |
| Sánchez (Minnesota Thunder) | 3 | (1) | 1 | (1) | 1 | |
| O'Brien (Seattle Sounders) | 3 | (1) | 1 | | 0 | |
| Gardner (Seattle Sounders) | 3 | | 1 | | 1 | |
| Zé Roberto (Rochester Raging Rhinos) | 3 | | 0 | | 2 | |
| Menyongar (Rochester Raging Rhinos) | 3 | | 0 | | 1 | |
| Toure (Atlanta Silverbacks) | 3 | | 0 | | 1 | |
| Arrieta (Puerto Rico Islanders) | 2 | (1) | 1 | (1) | 0 | |
| Edozien (Carolina RailHawks) | 2 | | 2 | | 0 | |
| Nuñez (Carolina RailHawks) | 2 | | 2 | | 0 | |
| Alavanja (Charleston Battery) | 2 | | 2 | | 0 | |
| Jordan (Vancouver Whitecaps) | 2 | | 2 | | 0 | |
| Placentino (Montreal Impact) | 2 | | 2 | | 0 | |
| Hansen (Puerto Rico Islanders) | 2 | | 2 | | 0 | |
| Cameron (Miami FC Blues) | 2 | | 1 | | 1 | |
| Marcina (Minnesota Thunder) | 2 | | 1 | | 1 | |
| Addlery (Vancouver Whitecaps) | 2 | | 1 | | 1 | |
| Bagley (Portland Timbers) | 2 | | 1 | | 1 | |
| Galavis (Miami FC Blues) | 2 | | 1 | | 1 | |
| Atieno (Puerto Rico Islanders) | 2 | | 1 | | 1 | |
| Antoniuk (Carolina RailHawks) | 2 | | 1 | | 0 | |
| Delgado (Puerto Rico Islanders) | 2 | | 1 | | 0 | |
USL-1 2008