| Copa Libertadores 1976 - Appearances as Referee |  |
 |
 |
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| 13/03/1976 | LDU Quito | - | Deportivo Cuenca | 1:1 | - | - | - |
| 30/06/1976 | River Plate | - | Peñarol | 3:0 | - | - | 2 |
| Copa Libertadores 1976 - Appearances as Referee | |
|
|
||||
| 13/03/1976 | LDU Quito | - | Deportivo Cuenca | 1:1 | - | - | - |
| 30/06/1976 | River Plate | - | Peñarol | 3:0 | - | - | 2 |
| Complete name: | Mario Lorenzo Canessa García |
| Born: | 00/00/1932 † 11/12/2012 |
| Place of birth: |
Chile |
| Nationality: |
Chile 
Colombia |