| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Germán Lux | 1982-07-06 | 186 | 78 | |||
| M | Enzo Perez | 1986-06-22 | 177 | 73 | 2019-06-30 | ||
| F | Rafael Santos Borré | 1995-09-15 | 175 | 74 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Martín Alaníz (F) | Real Oviedo | Club Atlético River Plate | Confirmed | |
| 19.Aug | Giovanni Simeone (F) | Club Atlético River Plate | Genoa CFC | Confirmed | |
| 5.Aug | Gabriel Ivan Mercado (D) | Club Atlético River Plate | Sevilla FC | Confirmed | |
| 27.Jul | Martín Alaníz (F) | Club Atlético River Plate | Real Oviedo | Confirmed | |
| 6.Jul | Emanuel Mammana (D) | Club Atlético River Plate | Olympique Lyonnais | Confirmed | |
| 24.Oct | Carlos Carbonero (M) | UC Sampdoria | Club Atlético River Plate | Confirmed | |
| 1.Sep | Ramiro Funes Mori (D) | Club Atlético River Plate | Everton FC | Confirmed | |
| 28.Aug | Matias Kranevitter (M) | Club Atlético River Plate | Atlético de Madrid | Confirmed | |
| 27.Aug | Carlos Carbonero (M) | Club Atlético River Plate | UC Sampdoria | Confirmed | |
| 11.Jul | Germán Pezzella (D) | Club Atlético River Plate | Real Betis | Confirmed |