| Copa Sudamericana 2004 - Appearances as Referee |  |
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 |
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| 27/09/2004 | Universidad de Concepción | - | Bolívar | 0:0 | 6 | - | - |
| Copa Sudamericana 2004 - Appearances as Referee | |
|
|
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| 27/09/2004 | Universidad de Concepción | - | Bolívar | 0:0 | 6 | - | - |
| Complete name: | Nelson Valenzuela |
| Born: | 03/05/1966 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |