Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2019 |  | Mera | MF |  | CD Teruel | CD Teruel |
| 01/2019 | | Diego Manzano | MF | |||
| 01/2019 |  | Dieng | FW |  | CD Vitoria | CD Vitoria |
| 01/2019 | | Juaristi | DF | | CD Teruel | CD Teruel |
| 01/2019 | | Adrián Vich | MF | |||
| 08/2018 | | Bengoa | MF |  | Deportivo Fabril | Fabril |
| 07/2018 |  | Christophe Atangana | GK |  | CD Basconia | CD Basconia |
| 07/2018 | | Fran Sota | MF |  | Racing Ferrol | Racing Ferrol |
| 07/2018 | | Chirri Monje | FW |  | Lorca Deportiva | Lorca Deportiva |
| 07/2018 | | Alday | MF |  | Sporting Gijón B | Sporting B |
| 07/2018 | | Adri Crespo | DF |  | Écija Balompié | Écija |
| 07/2018 | | Aguiar | DF |  | Arenas de Getxo | Arenas de Getxo |
| 07/2018 | | Egiluz | DF | | CD Basconia | CD Basconia |
| 07/2018 | | Erik Polanco | DF |  | Peña Deportiva | Peña |
| 07/2018 |  | Yaser Hamed | DF | |||
| 07/2018 | | Mikel | DF |  | CA Osasuna B | Osasuna B |
| 07/2018 | | Xabi Etxebarria | DF |  | Barakaldo CF | Barakaldo CF |
| 07/2018 | | Garai | MF | | CD Basconia | CD Basconia |
| 07/2018 | | Jon Iru | MF | | Barakaldo CF | Barakaldo CF |
| 07/2018 |  | Gorka Luariz | FW |  | CCD Cerceda | CCD Cerceda |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2019 | | Erik Polanco | DF |  | Atlético Saguntino | At. Saguntino |
| 01/2019 | | Nico Baleani | MF |  | CD Constància | Constància |
| 01/2019 | | Bengoa | MF |  | CR Al Hoceima | CR Al Hoceima |
| 12/2018 | | Yaser Hamed | DF |  | Club Portugalete | Portugalete |
| 08/2018 | | Leandro Martínez | FW |  | CF Villanovense | Villanovense |
| 07/2018 | | Unai Etxebarria | GK |  | Athletic Club B | Bilbao B |
| 07/2018 | | Alain | DF |  | UP Langreo | Langreo |
| 07/2018 |  | Luca Ferrone | DF |  | CD Ebro | CD Ebro |
| 07/2018 | | Aitor Aspas | MF | | CD Teruel | CD Teruel |
| 07/2018 | | Izaro Abella | MF |  | SD Amorebieta | SD Amorebieta |
| 07/2018 | | Josu Juste | FW |  | Athletic Club U19 | Bilbao U19 |