Arsenal manager Mikel Arteta has made only one change to his starting XI that thrashed Nottingham Forest 3-0 in the Premier League last weekend.
Declan Rice comes in to replace the injured skipper Martin Odegaard.
Defender William Saliba returns to the bench tonight for his first involvement since being forced off against Liverpool last month.
Athletic Club XI: Unai Simon; Gorosabel, Vivian, Paredes, Adama, Vesga, Jauregizar; Williams, Sancet, Navarro, Berenguer.
Subs: Santos, Padilla, Guruzeta, Areso, Lekue, Galarreta, Yuri, Unai, Maroan, Nico Serrano, Rego, Jon De Luis.
Arsenal XI: Raya, Timber, Mosquera, Gabriel, Calafiori, Zubimendi, Rice, Merino, Madueke, Gyokeres, Eze.
Subs: Kepa, Setford, Saliba, Hincapie, Martinelli, Norgaard, Trossard, Nwaneri, Lewis-Skelly, Dowman.
