| Copa Libertadores 1990 - Appearances as Referee |  |
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| 26/04/1990 | Grêmio Porto Alegre | - | Cerro Porteño | 0:0 | - | - | - |
| Copa Libertadores 1990 - Appearances as Referee | |
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| 26/04/1990 | Grêmio Porto Alegre | - | Cerro Porteño | 0:0 | - | - | - |
| Complete name: | Roberto Otello |
| Born: | |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |