| 7. Round | 29/09/2018 | Lanús | - | River Plate | 1:5 |  |
|||
| 10. Round | 27/10/2018 | River Plate | - | Aldosivi | 1:0 | ||||
| 11. Round | 03/11/2018 | Estudiantes | - | River Plate | 1:0 | |
|||
| 25. Round | 07/04/2019 | River Plate | - | Tigre | 2:3 |
| 7. Round | 29/09/2018 | Lanús | - | River Plate | 1:5 | |
|||
| 10. Round | 27/10/2018 | River Plate | - | Aldosivi | 1:0 | ||||
| 11. Round | 03/11/2018 | Estudiantes | - | River Plate | 1:0 | |
|||
| 25. Round | 07/04/2019 | River Plate | - | Tigre | 2:3 |
| Santiago Leonel Sosa | |
| Born: | 03.05.1999 |
| Place of birth: |
La Plata, 
Argentina |
| Nationality: |
Argentina
|
| Height: | 182 cm |
| Weight: | 81 kg |
| Position(s): | Defensive Midfielder Central Midfielder |
| Foot: | right |