Arsene Wenger has made two changes to the side that lost 2-0 against West Ham United.
Hector Bellerin comes in at right back in favour of Mathieu Debuchy while Alexis makes his first start of the season in place of Alex Oxlade-Chamberlain.
Elsewhere, Olivier Giroud continues up front with Theo Walcott starting the match on the bench.
Arsenal team to play Crystal Palace: Cech, Bellerin, Mertesacker, Koscielny, Monreal, Coquelin, Cazorla, Ramsey, Ozil, Alexis, Giroud
Subs: Ospina, Debuchy, Gibbs, Gabriel, Arteta, Walcott, Oxlade-Chamberlain
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