Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2000 |  | Garmendia | DF |  | SD Eibar | Eibar |
| 07/1999 | | Iker Núñez | DF | |||
| 07/1999 | | Iker Iraola | DF |  | Burgos CF | Burgos CF |
| 07/1999 | | Mendigain | DF |  | CD Castellón | CD Castellón |
| 07/1999 | | Endika | MF | |||
| 07/1999 | | Sukia | FW | | SD Eibar | Eibar |
| 07/1999 | | Gonzalo Arconada | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1999 | | Sarriegi | DF |  | CD Alavés B | CD Alavés B |
| 07/1999 | | Arrieta | MF | | SD Eibar | Eibar |
| 07/1999 | | De Luz | MF |  | Real Unión | Real Unión |
| 07/1999 | | Txiki | MF |  | Cultural Leonesa | CD Leonesa |
| 07/1999 | | Gorka Brit | FW |  | Águilas CF | Águilas CF |