| Segunda | 10/10/15 | Athletic Club B | - | CD Numancia | 0:0 | ||||
| Copa del Rey | 28/01/20 | CD Tenerife | - | Athletic Club | 2:4 pso |  |
| Segunda | 10/10/15 | Athletic Club B | - | CD Numancia | 0:0 | ||||
| Copa del Rey | 28/01/20 | CD Tenerife | - | Athletic Club | 2:4 pso | |
| 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 |