Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2021 |  | Amandi | MF | |||
| 01/2021 | | Gabri | FW |  | CF Villanovense | Villanovense |
| 01/2021 | | Jordi López | DF | |||
| 10/2020 | | Mera | MF |  | East Bengal Club | East Bengal Cl. |
| 10/2020 | | Santi Cubiella | DF | |||
| 09/2020 |  | Álvaro Télis | DF |  | Real Unión | Real Unión |
| 08/2020 | | Jordi Pola | DF |  | Sporting Gijón B | Sporting B |
| 08/2020 | | Álex Fueyo | GK | |||
| 08/2020 | | Luis López | MF | |||
| 07/2020 | | Ander Gayoso | DF |  | UP Langreo | Langreo |
| 07/2020 | | Bruno Herrera | DF |  | Villarreal CF C | Villarreal C |
| 07/2020 |  | Paul Otia | DF | |||
| 07/2020 | | Alex Iriondo | MF |  | SD Leioa | Leioa |
| 07/2020 |  | Kofi Atta | MF | |||
| 07/2020 | | Jorge Sáez | MF | |||
| 07/2020 | | Unai Hernández | MF |  | Arenas de Getxo | Arenas de Getxo |
| 07/2020 | | Dani Sandoval | FW | | Sporting Gijón B | Sporting B |
| 07/2020 |  | Mboup Saha | FW |  | Marino de Luanco | Luanco |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2021 | | Álvaro Télis | DF |  | Algeciras CF | Algeciras CF |
| 09/2020 | | Cueto | FW |  | Unión Club Ceares | Unión Club Ceares |