| Copa Libertadores 2010 - Appearances as Assistant | ||||
| 09/02/2010 | CA Cerro | - | Deportivo Quito | 2:0 |
| 11/02/2010 | Nacional | - | Deportivo Cuenca | 3:2 |
| 24/02/2010 | Juan Aurich | - | Bolívar | 2:0 |
| 11/03/2010 | Club Nacional | - | São Paulo FC | 0:2 |
| 24/03/2010 | Lanús | - | Blooming | 1:0 |
| Copa Libertadores 2010 - Appearances as Assistant | ||||
| 09/02/2010 | CA Cerro | - | Deportivo Quito | 2:0 |
| 11/02/2010 | Nacional | - | Deportivo Cuenca | 3:2 |
| 24/02/2010 | Juan Aurich | - | Bolívar | 2:0 |
| 11/03/2010 | Club Nacional | - | São Paulo FC | 0:2 |
| 24/03/2010 | Lanús | - | Blooming | 1:0 |
| Complete name: | Sergio Mauricio Román Retamal |
| Born: | 11/02/1969 |
| Place of birth: |
Chile |
| Nationality: |
Chile |