| Copa Libertadores 2008 - Appearances as Assistant | ||||
| 27/02/2008 | River Plate | - | CF América | 2:1 |
| 03/04/2008 | Fluminense RJ | - | Libertad | 2:0 |
| 04/04/2008 | Cruzeiro | - | San Lorenzo | 3:1 |
| 01/05/2008 | Nacional | - | São Paulo FC | 0:0 |
| Copa Libertadores 2008 - Appearances as Assistant | ||||
| 27/02/2008 | River Plate | - | CF América | 2:1 |
| 03/04/2008 | Fluminense RJ | - | Libertad | 2:0 |
| 04/04/2008 | Cruzeiro | - | San Lorenzo | 3:1 |
| 01/05/2008 | Nacional | - | São Paulo FC | 0:0 |
| Complete name: | Sergio Mauricio Román Retamal |
| Born: | 11/02/1969 |
| Place of birth: |
Chile |
| Nationality: |
Chile |