Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2005 |  | de Miguel | GK |  | CD Numancia B | CD Numancia B |
| 01/2005 | | Tarantino | DF |  | Athletic Club B | Bilbao B |
| 01/2005 |  | Silvio González | FW |  | Córdoba CF | Córdoba |
| 01/2005 | | Rafa Jordà | FW |  | CM Peralta | CM Peralta |
| 11/2004 | | Máximo Hernández | MA | |||
| 09/2004 |  | Kostas Kiassos | MF | |||
| 07/2004 | | Aldo Osorio | FW |  | Talleres de Córdoba | Talleres |
| 07/2004 | | Juanma | GK |  | Atlético Madrid | Atlético |
| 07/2004 | | Patricio Graff | DF |  | Rayo Vallecano | Rayo |
| 07/2004 | | Juanpa | DF |  | UD Salamanca | Salamanca |
| 07/2004 | | Ochoa | DF |  | CD Alavés | Alavés |
| 07/2004 |  | Stéphane Pignol | DF |  | UD Almería | Almería |
| 07/2004 | | Juanlu | MF |  | Alicante CF | Alicante CF |
| 07/2004 | | Pablo Sanz | MF | | Rayo Vallecano | Rayo |
| 07/2004 | | Palacios | MF |  | CA Osasuna | Osasuna |
| 07/2004 | | Ros | MF |  | FC Barcelona | Barcelona |
| 07/2004 |  | Chun-Soo Lee | FW |  | Real Sociedad | Real Sociedad |
| 07/2004 | | Luis Tevenet | FW |  | Algeciras CF | Algeciras CF |
| 07/2004 | | Miguel | FW |  | Sporting Gijón | Sporting Gijón |
| 07/2004 | | Toché | FW | | Atlético Madrid | Atlético |
| 07/2004 | | Francisco | MA | |||
| 07/2004 | | Óscar García | AT-C |  | CD Móstoles | CD Móstoles |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2005 | | Aldo Osorio | FW |  | Quilmes | Quilmes |
| 01/2005 | | Kostas Kiassos | MF |  | Panionios GSS | Panionios |
| 01/2005 | | Sestelo | FW |  | AD Ceuta | ADA Ceuta |
| 09/2004 | | Juan Navarro | MF |  | Pontevedra CF | Pontevedra CF |
| 07/2004 | | Luis García | GK |  | Real Zaragoza | Zaragoza |
| 07/2004 | | Culebras | DF |  | Levante UD | Levante |
| 07/2004 | | Daniel Fagiani | DF |  | CD Tenerife | Tenerife |
| 07/2004 | | Juan Pedro | DF | | Rayo Vallecano | Rayo |
| 07/2004 |  | Daniel Kome | MF |  | Getafe CF | Getafe |
| 07/2004 | | Mikel Alonso | MF | | Real Sociedad | Real Sociedad |
| 07/2004 | | Pulido | MF |  | Real Murcia | Murcia |
| 07/2004 | | Riaño | MF |  | UD Las Palmas | UD Las Palmas |
| 07/2004 |  | Laurenţiu Roşu | FW |  | Recreativo Huelva | Recreativo |
| 07/2004 | | Xisco Nadal | FW |  | Villarreal CF | Villarreal |
| 07/2004 | | Quique Hernández | MA | | Recreativo Huelva | Recreativo |