| Copa Libertadores 1973 - Appearances as Referee |  |
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 |
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| 16/02/1973 | Sporting Cristal | - | Club Olimpia | 1:0 | - | - | - |
| 09/03/1973 | Peñarol | - | Nacional | 1:1 | - | - | 2 |
| Copa Libertadores 1973 - Appearances as Referee | |
|
|
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| 16/02/1973 | Sporting Cristal | - | Club Olimpia | 1:0 | - | - | - |
| 09/03/1973 | Peñarol | - | Nacional | 1:1 | - | - | 2 |
| Complete name: | Miguel Rafael Hormazábal Díaz |
| Born: | 13/10/1929 † 21/05/2017 |
| Place of birth: |
Chile |
| Nationality: |
Chile |