Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 |  | Gilen Isuskiza | GK |  | Athletic Club U15 | U15 |
| 07/2025 | | Gorka Isuskiza | MF | | Athletic Club U15 | U15 |
Athletic Club U16
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2025 | | Gilen Isuskiza | GK | | Athletic Club U15 | U15 |
| 07/2025 | | Gorka Isuskiza | MF | | Athletic Club U15 | U15 |