Petr Cech makes his Premier League debut for Arsenal today in their London derby against West Ham, while Alexis Sanchez is named on the Gunners' bench.
The Chile forward was given an extended break after heroics for his country at the Copa America, and was expected to miss the game.
Cech signed for the Gunners for £11m from Chelsea over the summer.
Olivier Giroud gets the nod ahead of Theo Walcott, who joins Sanchez on the bench.
For West Ham, 16-year-old midfielder Reece Oxford starts, becoming the youngest player to represent the Hammers in a Premier League match.
Carl Jenkinson, who is on loan at West Ham for another season, is ineligible to face parent club.
New Hammers' signings Dimitri Payet and Angelo Ogbonna start.
Arsenal: Cech, Debuchy, Mertesacker, Koscielny, Monreal, Coquelin, Ramsey, Oxlade-Chamberlain, Ozil, Cazorla, Giroud
Subs: Ospinna (GK), Gibbs, Chambers, Gabriel, Arteta, Walcott, Sanchez.
West Ham: Adrian, Tomkins, Reid, Ogbonna, Cresswell, Oxford, Noble, Kouyate, Payet, Zarate, Sakho
Subs: Randolph (GK), Collins, Poyet, Nolan, Jarvis, Lanzini, MaigaReuse content