| U20 Fuerzas Basicas 2018/2019 Apertura Playoffs - Appearances as Referee |  |
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| 08/12/2018 | Club León | - | Atlas Guadalajara | 1:1 | 5 | - | 1 |
| 15/12/2018 | Club León | - | Deportivo Guadalajara | 0:1 | 4 | - | - |
| U20 Fuerzas Basicas 2018/2019 Apertura Playoffs - Appearances as Referee | |
|
|
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| 08/12/2018 | Club León | - | Atlas Guadalajara | 1:1 | 5 | - | 1 |
| 15/12/2018 | Club León | - | Deportivo Guadalajara | 0:1 | 4 | - | - |
| Complete name: | Mario Terrazas Chávez |
| Born: | 14/08/1992 |
| Place of birth: |
Ecatepec de Morelos, 
Mexico |
| Nationality: |
Mexico |
| Height: | 171 cm |
| Weight: | 69 kg |