| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Gastón Castro |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Juan Escobar |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Enrique Marín |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Roberto Otello |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
