Alexis has been passed fit to face Manchester United.
There were doubts over the Chile striker’s fitness after he suffered a minor injury during the international break, but Alexis does lead the line at Old Trafford.
Carl Jenkinson starts at right back in place of the injured Hector Bellerin, while Aaron Ramsey and Mohamed Elneny also come into the side.
Alex Iwobi and Granit Xhaka drop to the bench alongside Olivier Giroud.
Arsenal team: Cech, Jenkinson, Mustafi, Koscielny, Monreal, Coquelin, Elneny, Ramsey, Ozil, Walcott, Alexis
Subs: Ospina, Gibbs, Gabriel, Giroud, Iwobi, Oxlade-Chamberlain, Xhaka
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