| 9. Round | 10/10/2021 | Real Sociedad B | - | SD Ponferradina | 1:1 | ||||
| 16. Round | 12/11/2021 | Sporting Gijón | - | Real Sociedad B | 0:1 |
| 9. Round | 10/10/2021 | Real Sociedad B | - | SD Ponferradina | 1:1 | ||||
| 16. Round | 12/11/2021 | Sporting Gijón | - | Real Sociedad B | 0:1 |
| Unai Marrero Larrañaga | |
| Born: | 09.10.2001 |
| Place of birth: |
San Sebastián, 
Spain |
| Nationality: |
Spain
|
| Height: | 189 cm |
| Weight: | 82 kg |
| Position(s): | Goalkeeper |
| Foot: | right |