Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2026 |  | Diego Pérez | DF | |||
| 10/2026 | | Luis Carrión | MA | |||
| 09/2026 |  | Sulaiman Mulumba | DF |  | CD Leganés B | CD Leganés B |
| 09/2026 | | Álex Fita | DF | |||
| 08/2026 | | Javi Montero | DF |  | Málaga CF | Málaga |
| 08/2026 | | Álvaro Morata | FW |  | Como 1907 | Como 1907 |
| 08/2026 | | Alejandro Sancris | FW |  | Getafe CF | Getafe |
| 08/2026 |  | David Hamansenya | DF | | CD Leganés B | CD Leganés B |
| 08/2026 | | Unax del Cura | MF |  | CD Mirandés | Mirandés |
| 08/2026 |  | Luca Zidane | GK |  | Granada CF | Granada CF |
| 08/2026 |  | Patrick Soko | MF |  | UD Almería | Almería |
| 07/2026 |  | Ismaël Gharbi | FW |  | S.C. Braga | S.C. Braga |
| 07/2026 | | Álvaro Tejero | DF |  | Aris Saloniki | Aris Saloniki |
| 07/2026 |  | Yassine Kechta | MF |  | Havre AC | HAC |
| 07/2026 | | Raúl | GK |  | CD Alavés | Alavés |
| 07/2026 |  | Zico Buurmeester | MF |  | AZ Alkmaar | AZ Alkmaar |
| 07/2026 | | Álex González | GK | | CD Mirandés | Mirandés |
| 07/2026 | | Javi Hernández | DF |  | Panathinaikos A.O. | Panathinaikos |
| 07/2026 | | Atienza | MF |  | Burgos CF | Burgos CF |
| 07/2026 |  | Alfred Gøthler | FW |  | HB Køge | HB Køge |
| 07/2026 | | Jorge Martínez | FW | |||
| 07/2026 |  | Benjamin Pauwels | FW |  | FC Volendam | FC Volendam |
| 07/2026 | | Rubén Albés | MA |  | Umm-Salal | Umm-Salal |
| 07/2026 | | Toni Madrigal | AS-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | | David Hamansenya | DF |  | Slovan Liberec | Sl. Liberec |
| 09/2026 | | Roberto López | MF |  | CD Eldense | Eldense |
| 08/2026 | | Alfred Gøthler | FW |  | CD Extremadura | CD Extremadura |
| 08/2026 | | Javi Hernández | DF |  | Cerezo Osaka | Cerezo |
| 08/2026 | | Benjamin Pauwels | FW |  | Casa Pia AC | Casa Pia AC |
| 08/2026 | | Juan Soriano | GK |  | Académico de Viseu | Académico Viseu |
| 08/2026 | | Carlos Guirao | MF | | CD Eldense | Eldense |
| 07/2026 | | Juan Cruz | FW | | Málaga CF | Málaga |
| 07/2026 | | Javi Garrido | GK |  | CD Coria | CD Coria |
| 07/2026 | | Jorge Sáenz | DF |  | Sporting Gijón | Sporting Gijón |
| 07/2026 |  | Seydouba Cissé | MF |  | Al Kholood | Al Kholood Club |
| 07/2026 | | Diego García | FW |  | Malmö FF | Malmö FF |
| 07/2026 |  | Duk | FW |  | Atlas Guadalajara | Atlas |
| 07/2026 | | Alberto Bueno | AS-CO |  | CD Leganés U19 | U19 |