Kieran Gibbs will miss Arsenal's Champions League clash with Bayern Munich on Tuesday through injury.
The full-back suffered a calf problem during Saturday's 4-1 win over Everton in the FA Cup quarter-finals.
However, Laurent Koscielny returns for Arsene Wenger's side after sitting on the sidelines with a hamstring strain.
Arsenal travel to Germany looking to overcome a 2-0 first-leg deficit in the last-16 tie.