| Copa Libertadores 2012 - Appearances as Referee |  |
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| 08/02/2012 | Fluminense RJ | - | Arsenal de Sarandí | 1:0 | 4 | - | 3 |
| 14/03/2012 | Internacional | - | The Strongest | 5:0 | 4 | - | - |
| Copa Libertadores 2012 - Appearances as Referee | |
|
|
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| 08/02/2012 | Fluminense RJ | - | Arsenal de Sarandí | 1:0 | 4 | - | 3 |
| 14/03/2012 | Internacional | - | The Strongest | 5:0 | 4 | - | - |
| Complete name: | Antonio Javier Arias Alvarenga |
| Born: | 07/09/1972 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |