Emirates Stadium play host to visitors from Athens.
Arsenal could be without Mikel Arteta for Wednesday’s visit of Champions League Group B rivals Olympiakos.
The 30-year-old Spanish midfielder has an ankle injury and will have a fitness test on the morning of the match.
Gunners boss Arsene Wenger said goalkeeper Wojciech Szczesny will need another “two or three weeks” to recover from an ankle problem of his own.
Midfielder Abou Diaby is out for three weeks with a thigh strain that saw him limp out of Saturday’s loss to Chelsea.
Fellow midfielder Tomas Rosicky remains sidelined with an Achilles injury he suffered at Euro 2012.
Right-back Bacary Sagna has returned to full training but is yet to be considered for selection having not played since 5 May, when he suffered a broken leg against Norwich. (BBC Sport)
Arsenal: Mannone, Jenkinson, Koscielny, Vermaelen, Gibbs, Coquelin, Arteta, Ox-Chamberlain, Cazorla, Gervinho, Podolski: SUBS: Shea, Santos, Djourou, Arshavin, Ramsey, Walcott, Giroud
Olympiakos: Megyeri; Diakite, Manolas, Contreras, Holebas; Siovas, Maniatis; Greco, David Fuster, Paulo Machado; Mitroglu: SUBS: Carroll, Modesto, Ibagaza, Pantelic, Lykogiannis, Diogo, Abdoun
Compare ticket prices for the upcoming El Clasico matches between Real Madrid and Barcelona. Buy Real Madrid and FC Barcelona tickets for the first El Clasico of the season at the Nou Camp on 7 October and many more La Liga matches with the leading ticket comparison site.