| Segunda | 02/01/16 | CD Alavés | - | Athletic Club B | 3:0 | ||||
| Segunda | 13/02/16 | Athletic Club B | - | Real Valladolid | 0:1 | ||||
| Segunda | 12/03/16 | CD Numancia | - | Athletic Club B | 3:2 |  |
| Segunda | 02/01/16 | CD Alavés | - | Athletic Club B | 3:0 | ||||
| Segunda | 13/02/16 | Athletic Club B | - | Real Valladolid | 0:1 | ||||
| Segunda | 12/03/16 | CD Numancia | - | Athletic Club B | 3:2 | |
| Jon Koldo Iruarrizaga Arteche | |
| Born: | 31.03.1993 |
| Place of birth: |
Bilbao, 
Spain |
| Nationality: |
Spain
|
| Height: | 180 cm |
| Weight: | 76 kg |
| Position(s): | Central Midfielder |
| Foot: | right |