| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Stalin Intriago Ortega | 2 | 2 | - | - | 1 |
| Francisco Chacon | 1 | 1 | - | - | 1 |
| Georges Buckley | 1 | 1 | - | - | 1 |
| Sandro Ricci | 1 | 1 | - | - | 1 |
| Jair Marrufo | 1 | 1 | - | - | 1 |
| Victor Carrillo | 1 | 1 | - | - | 1 |
| Carlos Vera | 2 | 1 | - | - | 2 |
| Andres Cunha | 2 | 1 | - | - | 2 |
| Patricio Loustau | 3 | 1 | - | - | 3 |
P = Matches played,
C = Cards .