| Copa Libertadores 1967 - Appearances as Referee |  |
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| 15/03/1967 | 31 de Octubre de La Paz | - | Racing Club | 3:0 | - | - | - |
| Copa Libertadores 1967 - Appearances as Referee | |
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| 15/03/1967 | 31 de Octubre de La Paz | - | Racing Club | 3:0 | - | - | - |
| Complete name: | Mario Zárate |
| Born: | |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |