Real Sociedad B is in the Segunda Division B .
The division also includes the reserve teams of several La Liga teams including Real Madrid Castilla , Atlï¿½tico Madrid B , Bilbao Athletic , Deportivo B , Racing de Santander B , Sporting de Gijï¿½n B , Barcelona B , Osasuna B , Villarreal CF B , Valencia CF Mestalla , Real Valladolid B and Real Betis B .
Segunda Divisiï¿½n B