| 3. Round | 28/02/2012 | Lanús | - | San Martín de San Juan | 1:3 | ||||
| 18. Round | 15/06/2012 | San Martín de San Juan | - | Newell's Old Boys | 2:1 |  |
| 3. Round | 28/02/2012 | Lanús | - | San Martín de San Juan | 1:3 | ||||
| 18. Round | 15/06/2012 | San Martín de San Juan | - | Newell's Old Boys | 2:1 | |
| Juan Francisco Mattia | |
| Born: | 24.06.1988 |
| Place of birth: |
Lujan, 
Argentina |
| Nationality: |
Argentina
|
| Height: | 190 cm |
| Weight: | 90 kg |
| Position(s): | Centre Back |
| Foot: | right |