Arsenal will be without midfielder Francis Coquelin for Wednesday's Champions League visit of Basle.
The 25-year-old suffered a knee injury in the weekend win over Chelsea and manager Arsene Wenger expects him to be out for up to three weeks.
Olivier Giroud is suspended after being sent off against Paris St Germain and Aaron Ramsey (hamstring), Per Mertesacker, Danny Welbeck and Carl Jenkinson (all knee) are out, while David Ospina is expected to start in goal.
Provisional squad: Cech, Ospina, Debuchy, Bellerin, Holding, Gabriel, Koscielny, Mustafi, Gibbs, Monreal, Elneny, Xhaka, Cazorla, Oxlade-Chamberlain, Ozil, Sanchez, Walcott, Iwobi, Lucas, Akpom.
Source: PA-WIRE
