Referee
| # | Name | Country | Matches | Red | 11m | |
|---|---|---|---|---|---|---|
| 1 | ![]() | Juan Gardeazábal Garay | Spain | 1 | 0 | 0 |
![]() | Esteban Marino | Uruguay | 1 | 0 | 1 | |
![]() | Rodolfo Pérez | Paraguay | 1 | 5 | 0 |

| # | Name | Country | Matches | Red | 11m | |
|---|---|---|---|---|---|---|
| 1 | ![]() | Juan Gardeazábal Garay | Spain | 1 | 0 | 0 |
![]() | Esteban Marino | Uruguay | 1 | 0 | 1 | |
![]() | Rodolfo Pérez | Paraguay | 1 | 5 | 0 |