Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2021 |  | Lander Pinillos | MF | |||
| 05/2021 | | Rubén Antoñana | MF | |||
| 05/2021 | | Ander Cubillas | FW | |||
| 05/2021 | | Santiago Molina | FW | |||
| 04/2021 | | Pablo Álvarez | MA | |||
| 02/2021 | | Miki | MF |  | AD Alcorcón B | AD Alcorcón B |
| 01/2021 | | Darío Guti | FW |  | CD Ebro | CD Ebro |
| 01/2021 |  | Sebastjan Spahiu | MF |  | CD Guijuelo | CD Guijuelo |
| 01/2021 | | Javier Martínez | MA | |||
| 01/2021 | | David Gallego | DF |  | Unionistas CF | Unionistas |
| 01/2021 |  | Antonio Franco | MA | |||
| 01/2021 | | Endika Galarza | DF |  | UMF Afturelding | UMF Afturelding |
| 01/2021 | | Oli | FW |  | Agrupación Estudiantil | Agrupación Estudiantil |
| 01/2021 | | Sergio Sánchez | FW |  | SD Tarazona | SD Tarazona |
| 10/2020 | | Aimar Lacalle | GK | |||
| 10/2020 | | Asier Parra | MF | |||
| 09/2020 | | Julen Basterra | FW | |||
| 08/2020 | | Juanma | MF | |||
| 08/2020 | | Óscar González | FW | |||
| 07/2020 | | Losantos | MF | |||
| 07/2020 | | Julen Pagola | GK |  | AD San Juan | AD San Juan |
| 07/2020 | | Eslava | DF | |||
| 07/2020 | | Julio | GK | |||
| 07/2020 | | Íñigo Morte | DF |  | UDC Txantrea | UDC Txantrea |
| 07/2020 | | Deivid | MF |  | Recambios Colón CD | Recambios Colón CD |
| 07/2020 | | Iván Agudo | FW |  | CP Cacereño | Cacereño |
| 07/2020 | | Toni Larrosa | FW |  | AE Prat | AE Prat |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2021 | | Óscar Arroyo | DF |  | RB Linense | Linense |
| 01/2021 | | Toni Larrosa | FW |  | CF Badalona | CF Badalona |
| 01/2021 | | Óscar González | FW |  | CD Mirandés B | CD Mirandés B |
| 01/2021 | | Pablo Ruiz | DF |  | Racing Rioja CF | Racing Rioja CF |
| 01/2021 | | Deivid | MF |  | CD Varea | Varea |
| 09/2020 | | Toni García | FW |  | Linares Deportivo | Linares Dep. |
| 08/2020 |  | Luiyi de Lucas | DF |  | Haka Valkeakoski | Haka |
| 07/2020 | | Álex Maestresalas | DF | | Racing Rioja CF | Racing Rioja CF |
| 07/2020 |  | Gian Allala | DF |  | Cádiz CF B | Cádiz CF B |