| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Armando Villarreal | 9 | 5 | 1 | - | 1.5 |
| Silviu Petrescu | 5 | 3 | - | - | 1.67 |
| Rubiel Vazquez | 4 | 2 | - | - | 2 |
| Alan Kelly | 7 | 2 | - | - | 3.5 |
| Chris Penso | 9 | 2 | - | - | 4.5 |
| Alon Yefet | 1 | 1 | - | - | 1 |
| Matthew Foerster | 1 | 1 | - | - | 1 |
| Hilario Grajeda | 2 | 1 | - | - | 2 |
| David Gantar | 3 | 1 | - | - | 3 |
| Ricardo Salazar | 3 | 1 | - | - | 3 |
| Joseph Dickerson | 3 | 1 | - | - | 3 |
| Nima Saghafi | 4 | 1 | - | - | 4 |
| Allen Chapman | 6 | 1 | - | - | 6 |
P = Matches played,
C = Cards .