| Primera B 2021 Clausura - Appearances as Referee |  |
 |
 |
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| 23/07/2021 | Boca Juniors de Cali | - | Boyacá Chicó | 0:1 | 5 | - | - |
| 28/08/2021 | Fortaleza FC | - | Tigres FC | 2:1 | 3 | - | - |
| 11/10/2021 | Cortuluá | - | Orsomarso SC | 1:1 | 3 | - | - |
| Primera B 2021 Clausura - Appearances as Referee | |
|
|
||||
| 23/07/2021 | Boca Juniors de Cali | - | Boyacá Chicó | 0:1 | 5 | - | - |
| 28/08/2021 | Fortaleza FC | - | Tigres FC | 2:1 | 3 | - | - |
| 11/10/2021 | Cortuluá | - | Orsomarso SC | 1:1 | 3 | - | - |
| Complete name: | Yoorbis Alberto Sierra Martínez |
| Born: | |
| Place of birth: |
Colombia |
| Nationality: |
Colombia |