Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1998 |  | Ángel Morales | MF |  | Sampdoria | Sampdoria |
| 01/1998 |  | Aldana | MF |  | RCD Espanyol | RCD Espanyol |
| 01/1998 |  | Cléber Arado | FW |  | Coritiba - PR | Coritiba FC |
| 07/1997 | | Leo Franco | GK |  | Independiente | Independiente |
| 07/1997 | | Nacho | GK |  | CD Guadalajara | Guadalajara |
| 07/1997 | | Carlos Navarro Montoya | GK |  | CF Extremadura | CF Extremadura |
| 07/1997 | | Cortés | DF | | CF Extremadura | CF Extremadura |
| 07/1997 | | De Quintana | DF |  | Rayo Vallecano | Rayo |
| 07/1997 | | Pablo Alfaro | DF |  | Atlético Madrid | Atlético |
| 07/1997 |  | Gonzalo de los Santos | MF |  | Peñarol | Peñarol |
| 07/1997 | | Francisco Ruano | MF |  | Levante UD | Levante |
| 07/1997 | | Marcos | MF |  | Sevilla FC | Sevilla |
| 07/1997 | | Pirri Mori | MF |  | SD Compostela | SD Compostela |
| 07/1997 | | Ávila | FW |  | FC Barcelona B | Barcelona B |
| 07/1997 | | Leonardo Biagini | FW | | Atlético Madrid | Atlético |
| 07/1997 | | Iván Gabrich | FW |  | AFC Ajax | Ajax |
| 07/1997 |  | Dmitri Radchenko | FW | | Rayo Vallecano | Rayo |
| 07/1997 | | Sabas | FW |  | Real Betis | Betis |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1998 | | Ávila | FW |  | CD Toledo | CD Toledo |
| 01/1998 |  | Jerzy Podbrożny | FW | | CD Toledo | CD Toledo |
| 07/1997 | | Juan Carlos Balaguer | GK | | Levante UD | Levante |
| 07/1997 | | Leal | GK |  | CD Alavés | Alavés |
| 07/1997 | | Tete | GK |  | Deportivo Fabril | Fabril |
| 07/1997 | | Baroja | DF |  | Albacete | Albacete |
| 07/1997 | | Chema | DF | | Levante UD | Levante |
| 07/1997 |  | Goran Milojević | MF |  | Villarreal CF | Villarreal |
| 07/1997 | | Canabal | FW |  | Real Madrid | Real Madrid |
| 07/1997 | | Carlos | FW |  | Xerez CD | Xerez |
| 07/1997 | | Juanito | FW | | Levante UD | Levante |
| 07/1997 | | Meneses | FW |  | Moralo CP | Moralo CP |
| 07/1997 | | Quique Martín | FW | | RCD Espanyol | RCD Espanyol |
| 07/1997 |  | Remco Torken | FW |  | KSK Beveren | Beveren |