| Copa Libertadores 2012 - Appearances as Assistant | ||||
| 17/02/2012 | Godoy Cruz | - | Peñarol | 1:0 |
| 18/04/2012 | Boca Juniors | - | Zamora FC | 2:0 |
| Copa Libertadores 2012 - Appearances as Assistant | ||||
| 17/02/2012 | Godoy Cruz | - | Peñarol | 1:0 |
| 18/04/2012 | Boca Juniors | - | Zamora FC | 2:0 |
| Complete name: | Wilson Arellano Guarachi |
| Born: | 23/04/1980 |
| Place of birth: |
Cochabamba, 
Bolivia |
| Nationality: |
Bolivia |