| Copa Libertadores 2009 - Appearances as Assistant | ||||
| 19/02/2009 | São Paulo FC | - | Independiente Medellín | 1:1 |
| 03/03/2009 | Palmeiras | - | Colo-Colo | 1:3 |
| 23/04/2009 | Sport Recife - PE | - | Colo-Colo | 2:1 |
| 14/05/2009 | Cruzeiro | - | Universidad de Chile | 1:0 |
| Copa Libertadores 2009 - Appearances as Assistant | ||||
| 19/02/2009 | São Paulo FC | - | Independiente Medellín | 1:1 |
| 03/03/2009 | Palmeiras | - | Colo-Colo | 1:3 |
| 23/04/2009 | Sport Recife - PE | - | Colo-Colo | 2:1 |
| 14/05/2009 | Cruzeiro | - | Universidad de Chile | 1:0 |
| Complete name: | Hernán Pablo Maidana |
| Born: | 14/02/1972 |
| Place of birth: |
Argentina |
| Nationality: |
Argentina |