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Arsenal have a 100% record against Swiss opposition, but Basel are unbeaten in 12 games this season, winning 11.
Referee Danny Makkelie (NED)
Assistant referee one: Hessel Steegstra (NED); Mario Diks (NED)
Additional assistant referee one: Kevin Blom (NED); Kamphuis Jochem (NED);
Fourth official; Jan Vries (NED)
Possible line-ups of Uefa Champions League Match Day 2 Group stage (Group A)
Arsenal - Basel of tomorrow evening
Arsenal: Ospina; Bellerín, Koscielny, Mustafi, Monreal; Xhaka, Cazorla; Walcott, Özil, Iwobi; Alexis Sánchez.
Out: Giroud (suspended), Coquelin (knee), Ramsey (hamstring), Mertesacker (knee), Welbeck (knee)
Basel: Vaclík; Lang, Suchý, Balanta, Traoré; Xhaka, Zuffi; Bjarnason, Delgado, Steffen; Šporar.
Out: Akanji (fitness)
Doubtful: Janko (knee)