| Primera B 2021 Liguilla Promoción - Appearances as Referee |  |
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| 01/12/2021 | Deportes Copiapó | - | Puerto Montt | 2:2 | 3 | - | - |
| Primera B 2021 Liguilla Promoción - Appearances as Referee | |
|
|
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| 01/12/2021 | Deportes Copiapó | - | Puerto Montt | 2:2 | 3 | - | - |
| Complete name: | Piero Maza Gómez |
| Born: | 25/10/1984 |
| Place of birth: |
Chile |
| Nationality: |
Chile |