| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Silviu Petrescu | 11 | 2 | - | - | 5.5 |
| Baldomero Toledo | 22 | 2 | - | - | 11 |
| Jasen Anno | 2 | 1 | - | - | 2 |
| Matthew Foerster | 2 | 1 | - | - | 2 |
| Abiodun Okulaja | 4 | 1 | - | - | 4 |
| Michael Kennedy | 4 | 1 | - | - | 4 |
| Fotis Bazakos | 4 | 1 | - | - | 4 |
| Juan Guzman | 5 | 1 | - | - | 5 |
| Edvin Jurisevic | 9 | 1 | - | - | 9 |
| Jair Marrufo | 10 | 1 | - | - | 10 |
| Hilario Grajeda | 14 | 1 | - | - | 14 |
| Sorin Stoica | 2 | 0 | 1 | - | 2 |
| Ted Unkel | 3 | 0 | 1 | - | 3 |
P = Matches played,
C = Cards .