| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Ricardo Zárate |
|
2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
| Jesús Herrera |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jorge Ríos |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
