| Copa Libertadores 1991 - Appearances as Referee |  |
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 |
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| 14/03/1991 | Nacional | - | Corinthians SP | 1:1 | - | - | - |
| 06/04/1991 | América de Cali | - | Deportivo Táchira | 3:2 | - | - | - |
| 16/04/1991 | Atlético Colegiales | - | Club Olimpia | 1:1 | - | - | - |
| Copa Libertadores 1991 - Appearances as Referee | |
|
|
||||
| 14/03/1991 | Nacional | - | Corinthians SP | 1:1 | - | - | - |
| 06/04/1991 | América de Cali | - | Deportivo Táchira | 3:2 | - | - | - |
| 16/04/1991 | Atlético Colegiales | - | Club Olimpia | 1:1 | - | - | - |
| Complete name: | Carlos Maciel |
| Born: | 14/11/1946 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |