| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Chris Penso | 4 | 4 | 2 | - | 0.67 |
| Nima Saghafi | 3 | 2 | - | - | 1.5 |
| Jair Marrufo | 4 | 2 | - | - | 2 |
| Allen Chapman | 6 | 2 | - | - | 3 |
| Robert Sibiga | 6 | 2 | - | - | 3 |
| Silviu Petrescu | 2 | 1 | - | - | 2 |
| Ramy Touchan | 2 | 1 | - | - | 2 |
| Benoit Millot | 2 | 1 | - | - | 2 |
| Mark Geiger | 2 | 1 | - | - | 2 |
| Sorin Stoica | 2 | 1 | - | - | 2 |
| Ricardo Salazar | 3 | 1 | - | - | 3 |
| David Gantar | 3 | 1 | - | - | 3 |
| Ismail Elfath | 3 | 1 | - | 1 | 1.5 |
| Willy Delajod | 3 | 1 | - | - | 3 |
| Armando Villarreal | 4 | 1 | - | - | 4 |
| Hilario Grajeda | 4 | 1 | - | - | 4 |
| Alan Kelly | 4 | 1 | - | - | 4 |
P = Matches played,
C = Cards .