Previously, Spain announced its World Cup squad, with Real Sociedad captain Oyarzabal included.

This is Oyarzabal's first time being selected for the World Cup squad, and he is also the 13th Real Sociedad player in the club's history to represent Spain at the World Cup.

Real Sociedad players in Spain's World Cup history

2026, Oyarzabal

2018, Odriozola

2002, De Pedro

1998, Aranzabal

1990, Gorriz

1982, Arconada, Perico Alonso, Zamora, Satrústegui, Roberto López Ufarte, Pello Uralde

1978, Arconada

1950, Izaguirre

1934, Martín Marculeta