| Copa Libertadores 1971 - Appearances as Referee |  |
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 |
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| 28/02/1971 | Fluminense RJ | - | Deportivo Galicia | 4:1 | - | - | 1 |
| Copa Libertadores 1971 - Appearances as Referee | |
|
|
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| 28/02/1971 | Fluminense RJ | - | Deportivo Galicia | 4:1 | - | - | 1 |
| Complete name: | Roberto Osvaldo Barreiro |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |