| Copa Libertadores 1977 - Appearances as Referee |  |
 |
 |
||||
| 01/05/1977 | Internacional | - | Deportivo Cuenca | 3:1 | - | - | - |
| Copa Libertadores 1977 - Appearances as Referee | |
|
|
||||
| 01/05/1977 | Internacional | - | Deportivo Cuenca | 3:1 | - | - | - |
| Complete name: | Roberto Osvaldo Barreiro |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |