| Copa Libertadores 1990 - Appearances as Referee |  |
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 |
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| 24/02/1990 | Defensor Sporting | - | Progreso | 0:0 | - | - | 1 |
| 14/05/1990 | Colo-Colo | - | Unión Huaral | 3:1 | - | - | - |
| Copa Libertadores 1990 - Appearances as Referee | |
|
|
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| 24/02/1990 | Defensor Sporting | - | Progreso | 0:0 | - | - | 1 |
| 14/05/1990 | Colo-Colo | - | Unión Huaral | 3:1 | - | - | - |
| Complete name: | Jorge Luis Nieves Parra |
| Born: | 23/05/1952 |
| Place of birth: |
Uruguay |
| Nationality: |
Uruguay |