Record by referee
| Matches | W | D | L | Scores | Yellow | Yellow-Red | Red | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Romualdo Arppi Filho |  | 4 | 1 | 1 | 2 | - | - | - | - | » All matches |
| Juan Cardellino |  | 2 | 0 | 1 | 1 | - | - | - | - | » All matches |
| Ramón Barreto | | 1 | 1 | 0 | 0 | - | - | - | 1 | » All matches |
| Guillermo Budge |  | 1 | 0 | 0 | 1 | - | - | - | - | » All matches |
| Wilfredo Cáceres |  | 1 | 1 | 0 | 0 | - | - | - | - | » All matches |
| Gregorio da Rosa | | 1 | 0 | 0 | 1 | - | - | - | - | » All matches |
| Luis da Rosa | | 1 | 0 | 1 | 0 | - | - | - | - | » All matches |
| Bruno Galler |  | 1 | 0 | 0 | 1 | - | - | - | - | » All matches |
| Augusto Lamo Castillo |  | 1 | 0 | 1 | 0 | - | - | - | - | » All matches |
| Mario Lira | | 1 | 0 | 0 | 1 | - | - | - | - | » All matches |
| Rómulo Méndez |  | 1 | 0 | 0 | 1 | - | - | - | - | » All matches |
| Néstor Mondria | | 1 | 0 | 1 | 0 | - | - | - | - | » All matches |
| Pedro Reyes |  | 1 | 1 | 0 | 0 | - | - | - | - | » All matches |
| Francisco Váldez | | 1 | 1 | 0 | 0 | - | - | - | - | » All matches |