| Copa Libertadores 1999 - Appearances as Referee |  |
 |
 |
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| 08/03/1999 | CF Monterrey | - | Nacional | 1:2 | - | - | - |
| 13/04/1999 | Universitario de Deportes | - | Vélez Sarsfield | 0:0 | 5 | 1 | - |
| Copa Libertadores 1999 - Appearances as Referee | |
|
|
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| 08/03/1999 | CF Monterrey | - | Nacional | 1:2 | - | - | - |
| 13/04/1999 | Universitario de Deportes | - | Vélez Sarsfield | 0:0 | 5 | 1 | - |
| Complete name: | Óscar Julián Ruiz Acosta |
| Born: | 01/11/1969 |
| Place of birth: |
Villavicencio, 
Colombia |
| Nationality: |
Colombia |
| Height: | 185 cm |
| Weight: | 83 kg |