| Copa Libertadores 1972 - Appearances as Referee |  |
 |
 |
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| 29/02/1972 | Universidad de Chile | - | Alianza Lima | 2:3 | - | - | - |
| 08/03/1972 | Independiente | - | Rosario Central | 2:0 | - | - | - |
| Copa Libertadores 1972 - Appearances as Referee | |
|
|
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| 29/02/1972 | Universidad de Chile | - | Alianza Lima | 2:3 | - | - | - |
| 08/03/1972 | Independiente | - | Rosario Central | 2:0 | - | - | - |
| Complete name: | Roberto Osvaldo Barreiro |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |