| 2ª B G2 | 19/04/15 | Atlético Madrid B | - | Athletic Club B | 0:3 | ||||
| 2ª B G2 | 05/05/18 | CA Osasuna B | - | Athletic Club B | 0:3 |  |
| 2ª B G2 | 19/04/15 | Atlético Madrid B | - | Athletic Club B | 0:3 | ||||
| 2ª B G2 | 05/05/18 | CA Osasuna B | - | Athletic Club B | 0:3 | |
| Iker Undabarrena Martínez | |
| Born: | 18.05.1995 |
| Place of birth: |
Gorliz, 
Spain |
| Nationality: |
Spain
|
| Height: | 181 cm |
| Weight: | 77 kg |
| Position(s): | Central Midfielder Defensive Midfielder |
| Foot: | right |