| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Ricardo Salazar | 2 | 2 | - | - | 1 |
| Drew Fischer | 6 | 2 | - | - | 3 |
| Chris Penso | 6 | 2 | - | - | 3 |
| Antonio Rubinos Perez | 1 | 1 | - | - | 1 |
| Nima Saghafi | 2 | 1 | - | - | 2 |
| Mark Geiger | 2 | 1 | - | - | 2 |
| Jair Marrufo | 2 | 1 | - | - | 2 |
| Jose Carlos Rivero | 2 | 1 | - | - | 2 |
| Hilario Grajeda | 3 | 1 | - | - | 3 |
| Alan Kelly | 3 | 1 | - | - | 3 |
| Allen Chapman | 3 | 1 | - | - | 3 |
| David Gantar | 3 | 1 | - | - | 3 |
| Armando Villarreal | 4 | 1 | - | - | 4 |
| Robert Sibiga | 5 | 1 | - | - | 5 |
| Baldomero Toledo | 6 | 1 | - | - | 6 |
| Kevin Stott | 6 | 1 | - | - | 6 |
P = Matches played,
C = Cards .