| Segunda | 05/12/21 | Real Sociedad B | - | Burgos CF | 0:1 |  |
| Segunda | 05/12/21 | Real Sociedad B | - | Burgos CF | 0:1 | |
| Gregorio Sierra Pérez | |
| Born: | 05.03.1993 |
| Place of birth: |
Murcia, 
Spain |
| Nationality: |
Spain
|
| Height: | 186 cm |
| Weight: | 74 kg |
| Position(s): | Centre Back |
| Foot: | left |