| Copa Libertadores 1973 - Appearances as Referee |  |
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| 13/03/1973 | El Nacional | - | Unión Española | 1:0 | - | - | 2 |
| 24/03/1973 | Nacional | - | Palmeiras | 1:2 | - | - | - |
| Copa Libertadores 1973 - Appearances as Referee | |
|
|
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| 13/03/1973 | El Nacional | - | Unión Española | 1:0 | - | - | 2 |
| 24/03/1973 | Nacional | - | Palmeiras | 1:2 | - | - | - |
| Complete name: | Lorenzo Martínez |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |