| Copa Libertadores 1991 - Appearances as Referee |  |
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 |
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| 04/03/1991 | Bolívar | - | River Plate | 4:1 | - | - | - |
| 19/03/1991 | Bella Vista | - | Nacional | 0:3 | - | - | - |
| 23/04/1991 | Corinthians SP | - | Boca Juniors | 1:1 | - | - | 1 |
| Copa Libertadores 1991 - Appearances as Referee | |
|
|
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| 04/03/1991 | Bolívar | - | River Plate | 4:1 | - | - | - |
| 19/03/1991 | Bella Vista | - | Nacional | 0:3 | - | - | - |
| 23/04/1991 | Corinthians SP | - | Boca Juniors | 1:1 | - | - | 1 |
| Complete name: | Roberto Otello |
| Born: | |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |