Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2004 |  | Lico | MA | |||
| 01/2004 | | Luis Gil | FW |  | Sevilla FC | Sevilla |
| 12/2003 |  | Óscar Ruggeri | MA | |||
| 09/2003 |  | Roberto Acuña | MF |  | Deportivo A Coruña | Deportivo |
| 07/2003 | | Arroyo | GK | |||
| 07/2003 | | Dani Mallo | GK | | Deportivo A Coruña | Deportivo |
| 07/2003 | | Dani Tortolero | DF |  | FC Barcelona | Barcelona |
| 07/2003 |  | Goran Đorović | DF | | Deportivo A Coruña | Deportivo |
| 07/2003 | | Jaime Navarro | DF |  | RSD Alcalá | RSD Alcalá |
| 07/2003 | | Jesús | DF | |||
| 07/2003 | | Quesada | DF | |||
| 07/2003 | | Raúl Fuster | DF | |||
| 07/2003 | | Igor Taševski | DF |  | Sporting Gijón | Sporting Gijón |
| 07/2003 | | Carlos Calvo | MF |  | Elche Ilicitano | Elche Ilicitano |
| 07/2003 |  | David Darmon | MF |  | CD Leganés | Leganés |
| 07/2003 | | García Granero | MF |  | Real Zaragoza B | Zaragoza B |
| 07/2003 | | José Manuel | MF |  | Polideportivo Ejido | Polideportivo Ejido |
| 07/2003 | | Otero | MF |  | Atlético Madrid | Atlético |
| 07/2003 |  | Nicolas Rotundo | MF |  | Peñarol | Peñarol |
| 07/2003 | | Torres | MF |  | CD Tenerife | Tenerife |
| 07/2003 | | Zahínos | MF |  | Atlético Madrid B | Atlético B |
| 07/2003 | | Ariel Zárate | MF |  | Xerez CD | Xerez |
| 07/2003 | | Juan Carlos | FW |  | Getafe CF | Getafe |
| 07/2003 | | Machado | FW |  | Granada 74 CF | Granada 74 CF |
| 07/2003 | | Moisés | FW |  | Córdoba CF | Córdoba |
| 07/2003 | | Carlos Cantarero | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 | | Cabrejo | DF |  | AD Ceuta | ADA Ceuta |
| 07/2003 | | Argensó | GK |  | Girona FC | Girona |
| 07/2003 | | Bornes | DF |  | Raith Rovers | Raith Rovers |
| 07/2003 | | Cavas | DF |  | Rayo Vallecano | Rayo |
| 07/2003 | | Luque | MF |  | Málaga CF | Málaga |
| 07/2003 | | Melgar | MF |  | CD Castellón | CD Castellón |
| 07/2003 | | Moreno | MF |  | Algeciras CF | Algeciras CF |
| 07/2003 | | Pepelu | MF |  | Racing Ferrol | Racing Ferrol |
| 07/2003 | | Mariano Armentano | FW | | Algeciras CF | Algeciras CF |
| 07/2003 | | Santamaría | FW | | FC Barcelona | Barcelona |
| 07/2003 | | Serrano | FW | | CD Castellón | CD Castellón |