Alexis Sanchez starts for Arsenal and Mesut Ozil has been named among the substitutes for the game at the Emirates Stadium.
Ozil is back in the squad after a knee injury and Theo Walcott is also on the bench after shaking off a knock.
Albion, meanwhile, name Chris Brunt among their substitutes after he completed a fitness test, while Jake Livermore is back in their squad.
Arsenal: Cech; Mustafi, Koscielny, Monreal; Elneny, Xhaka; Bellerin, Ramsey, Sanchez, Kolasinac; Lacazette.
Subs: Ospina, Mertsesacker, Maitland-Niles, Wilshere, Ozil, Walcott, Giroud.
West Brom: Foster, Nyom, Gibbs, Robson-Kanu, Evans, Livermore, Barry, Rodriguez, Krychowiak, Dawson, Hegazi.
Subs: Myhill, Yacob, Morrison, Yondon, Phillips, Brunt, McClean.