| Player | From | Fee | Date |
|---|---|---|---|
| Caballero Pedro | Free Agent | Free | 16.08.2027 |
| Caballero Tomás | Free Agent | Free | 16.08.2027 |
| Gómez Oihan | Free Agent | Free | 16.08.2027 |
| Ferrer Santiago | Free Agent | Free | 16.08.2027 |
| Martín Santiago | Free Agent | Free | 16.08.2027 |
| Ramos Martín | Free Agent | Free | 16.08.2027 |
| Jutglà Ferran | Celta | 25.2M | 07.01.2028 |
| Víctor Pau | Almería | 32.2M | 16.01.2028 |
| Costa Diogo | Tottenham | 70.6M | 20.01.2028 |
| Zakharyan Arsen | Real Murcia | 14.1M | 06.06.2028 |
| Gómez Sergio | Real Sociedad | 42.4M | 08.06.2028 |
| Player | To | Fee | Date |
|---|---|---|---|
| Martín Gerard | Levante | 16.4M | 18.08.2027 |
| Rojas Julen | Free Agent | Free | 01.09.2027 |
| Koundé Jules | Real Sociedad | 82.8M | 09.06.2028 |
| García Joan | Real Sociedad | 53.5M | 09.06.2028 |
| Gordon Anthony | Betis | 31.0M | 13.06.2028 |
| Yaakobishvili Áron | Villarreal | 8.3M | 13.06.2028 |
| Fernández Álvaro | Real Sociedad | 4.6M | 14.06.2028 |
| Christensen Andreas | Huesca | 9.6M | 16.06.2028 |
| Player | To | Date | End Date |
|---|---|---|---|
| Adeyemi Karim | Elche | 07.01.2028 | 05.06.2028 |
| Jesus Gabriel | Gimnàstic | 08.01.2028 | 07.05.2028 |
| ter Stegen Marc-André | Athletic Bilbao | 11.01.2028 | 06.11.2028 |
| Balde Alejandro | Real Sociedad | 15.01.2028 | 14.05.2028 |
| Casadó Marc | Racing Santander | 09.06.2028 | 05.05.2029 |
| López Pau | Granada | 10.06.2028 | 06.04.2029 |
| Livaković Dominik | Zaragoza | 16.06.2028 | 11.06.2029 |