| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Silviu Petrescu | 12 | 3 | - | - | 4 |
| Robert Sibiga | 6 | 2 | - | - | 3 |
| Armando Villarreal | 6 | 2 | - | - | 3 |
| Mark Geiger | 12 | 2 | - | 1 | 4 |
| Andrew Chapin | 1 | 1 | - | - | 1 |
| Marcos de Oliveira | 1 | 1 | - | - | 1 |
| Paul Ward | 2 | 1 | - | - | 2 |
| Matthew Foerster | 3 | 1 | - | - | 3 |
| Abiodun Okulaja | 3 | 1 | - | - | 3 |
| David Gantar | 4 | 1 | - | - | 4 |
| Chris Penso | 5 | 1 | - | - | 5 |
| Alan Kelly | 6 | 1 | - | - | 6 |
| Juan Guzman | 7 | 1 | - | - | 7 |
| Kevin Stott | 7 | 1 | - | - | 7 |
| Edvin Jurisevic | 7 | 1 | - | - | 7 |
| Jair Marrufo | 8 | 1 | - | - | 8 |
| Hilario Grajeda | 8 | 1 | - | - | 8 |
| Allen Chapman | 9 | 1 | - | - | 9 |
| Ismail Elfath | 9 | 1 | - | - | 9 |
| Ricardo Salazar | 11 | 1 | - | - | 11 |
| Baldomero Toledo | 16 | 1 | - | - | 16 |
| Jorge Gonzalez | 11 | 0 | 2 | - | 5.5 |
P = Matches played,
C = Cards .