| Copa Libertadores 1973 - Appearances as Referee |  |
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 |
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| 03/02/1973 | Cerro Porteño | - | Club Olimpia | 4:2 | - | - | - |
| 24/03/1973 | Unión Española | - | Emelec | 1:1 | - | - | 2 |
| Copa Libertadores 1973 - Appearances as Referee | |
|
|
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| 03/02/1973 | Cerro Porteño | - | Club Olimpia | 4:2 | - | - | - |
| 24/03/1973 | Unión Española | - | Emelec | 1:1 | - | - | 2 |
| Complete name: | Gregorio da Rosa |
| Born: | |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |