Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2019 |  | Unai Etxebarria | GK |  | Athletic Club B | Bilbao B |
| 05/2019 | | Adri González | GK | |||
| 02/2019 | | Borja | DF |  | CD Extremadura | CD Extremadura |
| 01/2019 | | Pedro Martínez | MF |  | Villarreal CF B | Villarreal B |
| 01/2019 | | Iñaki Sáenz | DF | |||
| 01/2019 | | Viguera | DF | |||
| 01/2019 |  | Ousama Siddiki | FW | |||
| 08/2018 |  | Jonathan Bijimine | MF |  | FC Zlín | FC Zlín |
| 08/2018 | | Víctor López | DF |  | CD Alavés | Alavés |
| 07/2018 | | Ander Vitoria | FW | |||
| 07/2018 | | Iván Buigues | GK |  | Hércules CF | Hércules |
| 07/2018 | | Javi Flaño | DF |  | CA Osasuna | Osasuna |
| 07/2018 | | Mikel Santamaría | DF | | Hércules CF | Hércules |
| 07/2018 | | Pablo Bobadilla | DF |  | CD Izarra | CD Izarra |
| 07/2018 | | Andy | MF |  | SD Ponferradina | Ponferradina |
| 07/2018 | | Borja Sánchez | MF |  | CD Mirandés | Mirandés |
| 07/2018 | | Olaetxea | MF |  | SD Gernika | Gernika |
| 07/2018 |  | Ali Radjel | MF |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2019 | | Borja Sánchez | MF |  | Burgos CF | Burgos CF |
| 01/2019 | | Sergio Benito | MF |  | CD Calahorra | CD Calahorra |
| 09/2018 | | Salva Chamorro | FW |  | Doxa Dramas FC | Doxa Dramas FC |
| 07/2018 | | Fermín Sobrón | GK |  | Haro Deportivo | Haro Deportivo |
| 07/2018 | | Héctor Fernández | DF |  | CD Anguiano | CD Anguiano |
| 07/2018 | | Sotillos | DF |  | Real Madrid Castilla | RM Castilla |
| 07/2018 | | Zubiri | DF |  | UP Langreo | Langreo |
| 07/2018 | | Pablo Espina | FW | | SD Ponferradina | Ponferradina |