| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Allen Chapman | 21 | 5 | - | - | 4.2 |
| Sorin Stoica | 5 | 2 | - | - | 2.5 |
| Jorge Gonzalez | 6 | 2 | - | - | 3 |
| Jair Marrufo | 19 | 2 | - | - | 9.5 |
| Abiodun Okulaja | 2 | 1 | - | - | 2 |
| Geoff Gamble | 3 | 1 | - | - | 3 |
| Nima Saghafi | 5 | 1 | - | - | 5 |
| Alan Kelly | 7 | 1 | - | - | 7 |
| Hilario Grajeda | 8 | 1 | - | - | 8 |
| Ismail Elfath | 8 | 1 | - | - | 8 |
| Ted Unkel | 8 | 1 | - | - | 8 |
| Ricardo Salazar | 9 | 1 | - | - | 9 |
| Robert Sibiga | 9 | 1 | - | - | 9 |
| Chris Penso | 10 | 1 | - | - | 10 |
| Drew Fischer | 10 | 1 | - | - | 10 |
| Mark Geiger | 11 | 1 | - | - | 11 |
| Silviu Petrescu | 12 | 1 | - | - | 12 |
| Armando Villarreal | 13 | 1 | - | - | 13 |
| Kevin Stott | 18 | 1 | - | - | 18 |
| Andrew Chapin | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .