Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2004 |  | Fernando Navarro | DF |  | FC Barcelona | Barcelona |
| 01/2004 |  | Fabiano | MF |  | Santos FC | Santos FC |
| 08/2003 | | David Sánchez | MF | | FC Barcelona | Barcelona |
| 08/2003 | | Cacá | FW |  | Académica de Coimbra | Académica |
| 07/2003 | | Manuel Almunia | GK |  | Recreativo Huelva | Recreativo |
| 07/2003 | | Joaquín Moso | GK |  | SD Eibar | Eibar |
| 07/2003 |  | Cristian Díaz | DF |  | Levante UD | Levante |
| 07/2003 | | Unai | DF |  | Villarreal CF | Villarreal |
| 07/2003 | | Manolo | MF |  | Atlético Madrid B | Atlético B |
| 07/2003 | | Pablo Redondo | MF |  | Valencia CF | Valencia |
| 07/2003 | | Gabriel Amato | FW | | Levante UD | Levante |
| 07/2003 | | Aranda | FW |  | CD Numancia | Numancia |
| 07/2003 | | Gato | FW | |||
| 07/2003 |  | Abas Lawal | FW |  | CD Leganés | Leganés |
| 07/2003 |  | Antonio Pacheco | FW |  | Peñarol | Peñarol |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 | | Cacá | FW | | Académica de Coimbra | Académica |
| 01/2004 | | Gabriel Amato | FW |  | Banfield | Banfield |
| 10/2003 | | Manolo | MF | | Levante UD | Levante |
| 07/2003 | | Carlos Cano | GK |  | UD Almería | Almería |
| 07/2003 | | Padilla | DF |  | Terrassa FC | Terrassa FC |
| 07/2003 | | Dani Ruiz | MF |  | AD Alcorcón | Alcorcón |
| 07/2003 | | Irazoki | MF |  | Cartagena FC | Cartagena |
| 07/2003 | | Jandro | MF |  | Celta de Vigo | Celta de Vigo |
| 07/2003 | | Pablo Sierra | MF |  | Córdoba CF | Córdoba |
| 07/2003 | | Pruden | MF |  | CD Toledo | CD Toledo |
| 07/2003 | | Rodri | MF |  | CD Castellón | CD Castellón |
| 07/2003 | | Carlos Duré | FW |  | Olimpo de Bahía Blanca | Olimpo |
| 07/2003 | | Perera | FW |  | RCD Mallorca | Mallorca |