| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Ricardo Salazar | 12 | 4 | - | - | 3 |
| Baldomero Toledo | 9 | 3 | - | - | 3 |
| Kevin Stott | 13 | 3 | - | - | 4.33 |
| Mark Geiger | 5 | 2 | 1 | - | 1.67 |
| Hilario Grajeda | 10 | 2 | - | - | 5 |
| Jair Marrufo | 11 | 2 | - | - | 5.5 |
| Jorge Gonzalez | 13 | 2 | - | - | 6.5 |
| Marcos de Oliveira | 1 | 1 | - | - | 1 |
| Tim Weyland | 1 | 1 | - | - | 1 |
| Elias Bazakos | 3 | 1 | - | - | 3 |
| Edvin Jurisevic | 3 | 1 | - | - | 3 |
| Abiodun Okulaja | 3 | 1 | - | - | 3 |
| Jose Carlos Rivero | 3 | 1 | - | - | 3 |
| Alan Kelly | 4 | 1 | - | - | 4 |
| Fotis Bazakos | 4 | 1 | - | - | 4 |
| Mark Kadlecik | 5 | 1 | - | - | 5 |
| Allen Chapman | 5 | 1 | - | - | 5 |
| Juan Guzman | 8 | 1 | - | - | 8 |
| Silviu Petrescu | 14 | 0 | 1 | - | 14 |
P = Matches played,
C = Cards .