| Copa Sudamericana 2021 - Appearances as Referee |  |
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 |
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| 07/04/2021 | Huachipato | - | Antofagasta | 3:0 | 6 | - | 1 |
| 21/04/2021 | Aucas | - | Athletico Paranaense | 0:1 | 4 | - | 1 |
| 30/04/2021 | Lanús | - | Grêmio Porto Alegre | 1:2 | 6 | - | - |
| Copa Sudamericana 2021 - Appearances as Referee | |
|
|
||||
| 07/04/2021 | Huachipato | - | Antofagasta | 3:0 | 6 | - | 1 |
| 21/04/2021 | Aucas | - | Athletico Paranaense | 0:1 | 4 | - | 1 |
| 30/04/2021 | Lanús | - | Grêmio Porto Alegre | 1:2 | 6 | - | - |
| Complete name: | Piero Maza Gómez |
| Born: | 25/10/1984 |
| Place of birth: |
Chile |
| Nationality: |
Chile |