| Copa Libertadores 1974 - Appearances as Referee |  |
 |
 |
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| 18/02/1974 | Nacional | - | Club Olimpia | 1:1 | - | - | 1 |
| 09/04/1974 | Defensor Lima | - | Universidad Catolica | 1:0 | - | - | 2 |
| 28/04/1974 | Palmeiras | - | Municipal de La Paz | 3:0 | - | - | - |
| Copa Libertadores 1974 - Appearances as Referee | |
|
|
||||
| 18/02/1974 | Nacional | - | Club Olimpia | 1:1 | - | - | 1 |
| 09/04/1974 | Defensor Lima | - | Universidad Catolica | 1:0 | - | - | 2 |
| 28/04/1974 | Palmeiras | - | Municipal de La Paz | 3:0 | - | - | - |
| Complete name: | Oscar Enrique Veiro |
| Born: | |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |