Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/2024 |  | Jürgen Locadia | FW | |||
| 02/2024 |  | Jorge Yriarte | MF |  | SD Eibar | Eibar |
| 01/2024 |  | Bustinza | DF | |||
| 01/2024 | | Ángel Troncho | MF | | SD Eibar | Eibar |
| 01/2024 | | Iker Unzueta | FW |  | FC Vizela | Vizela |
| 12/2023 | | Jandro | MA | |||
| 12/2023 | | Aranzubía | GK-CO | |||
| 09/2023 | | Josep Gayá | DF |  | RCD Mallorca | Mallorca |
| 08/2023 | | Javier Avilés | MF |  | CD Leganés | Leganés |
| 08/2023 |  | Cosimo Da Graca | FW |  | Juventus II | Juventus II |
| 08/2023 | | Morcillo | FW |  | Athletic Club | Athletic |
| 08/2023 | | Pablo Cuñat | GK |  | Levante UD | Levante |
| 07/2023 | | Álvaro Núñez | DF |  | FC Barcelona B | Barcelona B |
| 07/2023 | | Álex Carbonell | MF | |||
| 07/2023 | | Eraso | MF |  | Akritas Chlorakas | Akritas Chlorakas |
| 07/2023 | | Manu Hernando | DF |  | CD Tondela | CD Tondela |
| 07/2023 |  | Luis Quintero | MF |  | Villarreal CF U19 | Villarreal U19 |
| 07/2023 | | Daniel Lasure | DF | | SD Eibar | Eibar |
| 07/2023 | | Erik Morán | MF |  | SD Ponferradina | Ponferradina |
| 07/2023 | | Félix Garreta | DF |  | Real Betis | Betis |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2024 | | Manu Hernando | DF |  | Racing Santander | Racing |
| 02/2024 | | Javier Avilés | MF |  | Málaga CF | Málaga |
| 01/2024 | | Luis Quintero | MF |  | Deportivo A Coruña | Deportivo |
| 01/2024 | | Cosimo Da Graca | FW | | Juventus II | Juventus II |
| 08/2023 | | Juan Rodríguez | DF |  | Algeciras CF | Algeciras CF |
| 07/2023 | | Gorka Iturraspe | MF |  | Recreativo Huelva | Recreativo |
| 07/2023 | | Mikel Pradera | FW |  | CD Alcoyano | Alcoyano |
| 07/2023 | | Víctor López | DF |  | Zamora CF | Zamora |
| 07/2023 | | Antxón Jaso | DF |  | Othellos Athienou | Othellos Athien |
| 07/2023 | | Javier Murúa | DF |  | SD Logroñés | SD Logroñés |
| 07/2023 | | Unai Buján | FW |  | CA Osasuna B | Osasuna B |
| 07/2023 | | Leiza | DF |  | Arenas de Getxo | Arenas de Getxo |
| 07/2023 | | Mikel Zarrabeitia | DF |  | SD Gernika | Gernika |
| 07/2023 | | Toni Herrero | DF |  | Levante UD B | Levante B |
| 07/2023 | | Antonio Jesús | MF |  | Villarreal CF B | Villarreal B |
| 07/2023 | | Haritz Albisua | MF | | CD Alcoyano | Alcoyano |
| 07/2023 | | Jorge Yriarte | MF | | SD Eibar | Eibar |