| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Silviu Petrescu | 6 | 3 | - | - | 2 |
| Allen Chapman | 8 | 2 | - | - | 4 |
| Tim Ford | 1 | 1 | - | - | 1 |
| Marcos de Oliveira | 4 | 1 | - | - | 4 |
| Edvin Jurisevic | 4 | 1 | - | - | 4 |
| Jorge Gonzalez | 5 | 1 | - | - | 5 |
| Nima Saghafi | 5 | 1 | - | - | 5 |
| Drew Fischer | 6 | 1 | - | - | 6 |
| Robert Sibiga | 7 | 1 | - | - | 7 |
| Jose Carlos Rivero | 9 | 1 | - | - | 9 |
| Hilario Grajeda | 12 | 1 | - | - | 12 |
| Jair Marrufo | 12 | 1 | - | - | 12 |
| Alan Kelly | 12 | 1 | - | - | 12 |
| Baldomero Toledo | 13 | 1 | - | - | 13 |
| Armando Villarreal | 13 | 1 | - | - | 13 |
| Kevin Stott | 15 | 1 | - | - | 15 |
P = Matches played,
C = Cards .