Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2025 |  | Toni Gabarri | MF |  | CD Castellón B | CD Castellón B |
| 04/2025 | | Jorge Valverde | GK | |||
| 02/2025 |  | Juan Escobar | DF | |||
| 02/2025 |  | Awer Mabil | FW | |||
| 01/2025 | | Sergi Ripollés | AS-CO | | CD Castellón B | CD Castellón B |
| 01/2025 |  | Giovanni Zarfino | MF | |||
| 01/2025 |  | Miloš Jojić | MF |  | Riga FC | Riga FC |
| 01/2025 |  | Mamadou Traoré | FW |  | Union Saint-Gilloise | St. Gilloise |
| 01/2025 |  | Nick Markanich | FW |  | Charleston Battery | Charleston Battery |
| 12/2024 | | Mauro Costa | MF | | CD Castellón B | CD Castellón B |
| 08/2024 |  | Ousmane Camara | FW |  | AJ Auxerre | Auxerre |
| 08/2024 |  | David Flakus | FW |  | Hellas Verona | Hellas Verona |
| 08/2024 |  | Thomas van den Belt | MF |  | Feyenoord | Feyenoord |
| 07/2024 | | Jetro Willems | DF |  | Heracles Almelo | Heracles |
| 07/2024 | | Pere Marco | FW | |||
| 07/2024 |  | Amir Abed | GK | |||
| 07/2024 | | Mats Seuntjens | FW |  | RKC Waalwijk | RKC Waalwijk |
| 07/2024 |  | Borikó | DF |  | CE Europa | CE Europa |
| 07/2024 | | Álex Calatrava | FW |  | Atlético Madrid | Atlético |
| 07/2024 |  | Kenneth Mamah | FW |  | Göztepe | Göztepe Izmir |
| 07/2024 |  | Brian Cipenga | FW |  | Paços de Ferreira | Ferreira |
| 07/2024 | | Gonzalo Pastor | MF |  | CD Castellón U19 | U19 |
| 07/2024 | | Johan Plat | AS-CO | |||
| 07/2024 | | Nick van der Velden | AS-CO | |||
| 07/2024 | | Joan Torné | AT-C |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2025 | | Pere Marco | FW |  | Marbella FC | Marbella |
| 02/2025 | | Dani Villahermosa | MF |  | FC Andorra | FC Andorra |
| 01/2025 | | David Flakus | FW |  | Real Murcia | Murcia |
| 01/2025 | | Mats Seuntjens | FW |  | FC Groningen | Groningen |
| 01/2025 | | Nick van der Velden | AS-CO |  | Shaanxi Union | Shaanxi Union |
| 08/2024 |  | Nikita Iosifov | MF |  | NK Celje | NK Celje |
| 07/2024 |  | Jacob Carney | GK |  | Newport County | Newport County |
| 07/2024 | | Joan Salvá | GK |  | Gimnàstic de Tarragona | Nàstic |
| 07/2024 | | Borja Granero | DF |  | CD Alcoyano | Alcoyano |
| 07/2024 | | Manuel Sánchez | DF |  | Górnik Zabrze | Górnik Zabrze |
| 07/2024 | | Julio Gracia | MF |  | CF Intercity | Intercity |
| 07/2024 | | Hugo Goñi | FW | | CD Castellón B | CD Castellón B |
| 07/2024 | | Mamadou Traoré | FW | | Union Saint-Gilloise | St. Gilloise |
| 07/2024 |  | Lars Veldwijk | FW |  | BG Pathum United | BG Pathum Utd |