| 1. Round | 11/02/2021 | River Plate | - | Defensores de Pronunciamiento | 4:0 | ||||
| Round of 32 | 08/04/2021 | Atlético Tucumán | - | River Plate | 1:2 | ||||
| Round of 16 | 04/08/2021 | Boca Juniors | - | River Plate | 4:1 pso |  |
| 1. Round | 11/02/2021 | River Plate | - | Defensores de Pronunciamiento | 4:0 | ||||
| Round of 32 | 08/04/2021 | Atlético Tucumán | - | River Plate | 1:2 | ||||
| Round of 16 | 04/08/2021 | Boca Juniors | - | River Plate | 4:1 pso | |
| Paulo César Díaz Huincales | |
| Born: | 25.08.1994 |
| Place of birth: |
Santa Cruz, 
Chile |
| Nationality: |
Chile
Argentina |
| Height: | 178 cm |
| Weight: | 76 kg |
| Position(s): | Centre Back Right Back |
| Foot: | right |