Deportivo Alaves left out midfielder Mubarak Wakaso in the side's 3-1 defeat at home to Real Betis on Monday for unexplained reasons.
The 27-year-old failed to make the squad for the home game against their opponents at the Estadio de Mendizorroza.
The Ghana international has made just 12 appearances since joining the Spanish sid.
Loren Moron grabbed a brace with Javi Garcia getting the other for Betis with Ruben Sobrino