| 9. Round | 09/04/2021 | River Plate II | - | Colón de Santa Fe II | 7:0 | ||||
| 13. Round | 07/05/2021 | River Plate II | - | Aldosivi II | 3:3 |
| 9. Round | 09/04/2021 | River Plate II | - | Colón de Santa Fe II | 7:0 | ||||
| 13. Round | 07/05/2021 | River Plate II | - | Aldosivi II | 3:3 |
| Valentín Mateo Matlis | |
| Born: | 13.06.2000 |
| Place of birth: |
Buenos Aires, 
Argentina |
| Nationality: |
Argentina
|
| Height: | 177 cm |
| Weight: | 65 kg |
| Position(s): | Defensive Midfielder Central Midfielder |
| Foot: | right |