Arsene Wenger has made four changes to his side for the game against Bournemouth.
Calum Chambers is paired with Aaron Ramsey in midfield, while Gabriel comes in for Laurent Koscielny.
Elsewhere, Alex Oxlade-Chamberlain and Kieran Gibbs start in place of Joel Campbell and Nacho Monreal, who are both named as substitutes.
Arsenal starting XI: Cech, Bellerin, Gabriel, Mertesacker, Gibbs, Chambers, Ramsey, Oxlade-Chamberlain, Ozil, Walcott, Giroud
Arsenal substitutes: Ospina, Debuchy, Koscielny, Monreal, Iwobi, Reine-Adelaide, Campbell
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