Real Sociedad line‑up is expected to feature Álex Remiro, Jon Aramburu, Jon Martín, Duje Caleta‑Car, Sergio Gómez, Jon Gorrotxategi, Beñat Turrientes, Pablo Marín, Carlos Soler, Gonçalo Guedes and Mikel Oyarzabal. The side will miss Álvaro Odriozola, who is out with a cruciate ligament tear.
Athletic Bilbao will likely start with Álex Padilla, Iñigo Lekue, Dani Vivian, Aymeric Laporte, Adama Boiro, Alejandro Rego, Mikel Jauregizar, Iñaki Williams, Unai Gómez, Robert Navarro and Gorka Guruzeta. The team will be without Yeray Álvarez (doping ban), Benat Prados (cruciate ligament tear) and Nico Williams (pubalgia).