| Primera División 2003/2004 Clausura Playoffs - Appearances as Assistant | ||||
| 30/05/2004 | Pumas UNAM | - | Atlas Guadalajara | 3:1 |
| 02/06/2004 | Deportivo Toluca | - | Deportivo Guadalajara | 1:0 |
| 13/06/2004 | Pumas UNAM | - | Deportivo Guadalajara | 5:4 pso |
| Primera División 2003/2004 Clausura Playoffs - Appearances as Assistant | ||||
| 30/05/2004 | Pumas UNAM | - | Atlas Guadalajara | 3:1 |
| 02/06/2004 | Deportivo Toluca | - | Deportivo Guadalajara | 1:0 |
| 13/06/2004 | Pumas UNAM | - | Deportivo Guadalajara | 5:4 pso |
| Complete name: | Oscar Trejo Vides |
| Born: | |
| Place of birth: |
Mexico |
| Nationality: |
Mexico |