Arsène Wenger has made one change to the team that beat Sunderland in the Premier League on Saturday for tonight's trip to Marseille in the Champions League.
Elsewhere, Thomas Vermaelen is named on the bench along with youngsters Chuba Akpom and Isaac Hayden.
Team in full: Szczesny, Sagna, Mertesacker, Koscielny, Gibbs, Flamini, Ramsey, Wilshere, Ozil, Walcott, Giroud.
Subs: Fabianski, Vermaelen, Monreal, Jenkinson, Hayden, Ryo, Akpom.Copyright 2015 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source