| Copa Libertadores 1977 - Appearances as Referee |  |
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 |
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| 13/04/1977 | Deportivo Cuenca | - | Corinthians SP | 2:1 | - | - | - |
| 21/04/1977 | River Plate | - | Defensor Sporting | 1:1 | - | - | - |
| Copa Libertadores 1977 - Appearances as Referee | |
|
|
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| 13/04/1977 | Deportivo Cuenca | - | Corinthians SP | 2:1 | - | - | - |
| 21/04/1977 | River Plate | - | Defensor Sporting | 1:1 | - | - | - |
| Complete name: | Mario Lorenzo Canessa García |
| Born: | 00/00/1932 † 11/12/2012 |
| Place of birth: |
Chile |
| Nationality: |
Chile 
Colombia |