| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Oscar Julian Ruiz | 3 | 2 | - | 1 | 1 |
| Carlos Simon | 4 | 2 | - | - | 2 |
| Marco Rodriguez | 1 | 1 | - | - | 1 |
| Pablo Pozo | 1 | 1 | - | - | 1 |
| Eddie Maillet | 1 | 1 | - | - | 1 |
| Paul Ward | 1 | 1 | - | - | 1 |
| Paulo Oliveira | 1 | 1 | - | - | 1 |
| Jose Benigno | 1 | 1 | - | - | 1 |
| Salvio Fagundes | 1 | 1 | - | - | 1 |
| Carlos Chandia | 2 | 1 | - | - | 2 |
| Sergio Pezzotta | 4 | 1 | - | - | 4 |
| Wilmar Roldan | 4 | 1 | - | - | 4 |
P = Matches played,
C = Cards .