Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2019 |  | Gorka Campo | GK | |||
| 07/2019 | | Egiluz | DF |  | SD Leioa | Leioa |
| 07/2019 | | Mikel Kortazar | DF | |||
| 07/2019 | | Jon Guruzeta | MF |  | Athletic Club B | Bilbao B |
| 07/2019 | | Alejandro Ibarrondo | FW |  | Athletic Club U19 | Bilbao U19 |
| 07/2019 | | Josu Juste | FW | | Athletic Club U19 | Bilbao U19 |
| 07/2019 | | Xabi Garai | FW |  | SD Gernika | Gernika |
| 07/2019 | | Patxi Salinas | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2019 | | Alonso | DF |  | Barakaldo CF | Barakaldo CF |
| 07/2019 | | Egiluz | DF | | SD Leioa | Leioa |
| 07/2019 |  | Ewan | FW | | Athletic Club B | Bilbao B |