Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/1997 |  | Carlos Sastre | MF |  | SD Compostela | SD Compostela |
| 07/1997 | | Julen Lopetegui | GK |  | FC Barcelona | Barcelona |
| 07/1997 | | Estíbariz | DF |  | Athletic Club | Athletic |
| 07/1997 | | Ribera | DF |  | Deportivo A Coruña | Deportivo |
| 07/1997 |  | Robert Gehring | MF |  | AFC Ajax | Ajax |
| 07/1997 | | Luis Martínez | MF |  | Real Madrid Castilla | RM Castilla |
| 07/1997 | | Míchel Sánchez | MF |  | UD Almería | Almería |
| 07/1997 | | Pablo Sanz | MF |  | FC Barcelona B | Barcelona B |
| 07/1997 | | Dave van den Bergh | MF | | AFC Ajax | Ajax |
| 07/1997 |  | Darío Gigena | FW |  | Belgrano de Córdoba | Belgrano |
| 07/1997 | | Iván Rosado | FW |  | Recreativo Huelva | Recreativo |
| 07/1997 |  | Henry Makinwa | FW |  | Udoji United FC Awka | Udoji United FC |
| 07/1997 |  | Daniel Noriega | FW |  | Mineros de Guayana | Mineros |
| 07/1997 | | Onésimo | FW |  | Sevilla FC | Sevilla |
| 07/1997 | | Pineda | FW |  | CF Extremadura | CF Extremadura |
| 07/1997 | | Prieto | FW |  | Celta de Vigo | Celta de Vigo |
| 07/1997 | | Josu Ortuondo | MA | | CF Extremadura | CF Extremadura |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1998 | | Robert Gehring | MF |  | Rayo Majadahonda | Majadahonda |
| 01/1998 | | Yassine Abdellaoui | FW |  | N.E.C. | N.E.C. |
| 01/1998 | | Henry Makinwa | FW |  | FC Penafiel | Penafiel |
| 12/1997 | | Diego Klimowicz | FW |  | Real Valladolid | Valladolid |
| 07/1997 | | Contreras | GK |  | Real Madrid | Real Madrid |
| 07/1997 | | Víctor Sanz | GK |  | Guadix CF | Guadix CF |
| 07/1997 | | Cortijo | DF |  | CD Numancia | Numancia |
| 07/1997 | | De Quintana | DF |  | Mérida AD | Mérida AD |
| 07/1997 | | Barla | MF |  | Cádiz CF | Cádiz |
| 07/1997 | | Fernando | MF |  | Real Jaén | Jaén |
| 07/1997 | | Gallego | MF | | Real Jaén | Jaén |
| 07/1997 | | Valentín | MF | | Real Jaén | Jaén |
| 07/1997 |  | Guilherme Alves | FW |  | Grêmio Porto Alegre | Grêmio |
| 07/1997 | | Peragón | FW |  | CP Almería | CP Almería |
| 07/1997 |  | Dmitri Radchenko | FW | | Mérida AD | Mérida AD |