| Copa Libertadores 1998 - Appearances as Referee |  |
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 |
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| 14/04/1998 | Cerro Porteño | - | América de Cali | 1:0 | - | - | 2 |
| Copa Libertadores 1998 - Appearances as Referee | |
|
|
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| 14/04/1998 | Cerro Porteño | - | América de Cali | 1:0 | - | - | 2 |
| Complete name: | Mario Sánchez Yanten |
| Born: | 22/07/1956 |
| Place of birth: |
Chile |
| Nationality: |
Chile |