| Copa Libertadores 1994 - Appearances as Referee |  |
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| 21/03/1994 | Bolívar | - | Minervén FC | 4:0 | - | - | - |
| Copa Libertadores 1994 - Appearances as Referee | |
|
|
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| 21/03/1994 | Bolívar | - | Minervén FC | 4:0 | - | - | - |
| Complete name: | Ubaldo Aquino Valenzano |
| Born: | 02/05/1958 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |
| Height: | 179 cm |
| Weight: | 77 kg |