All times (GMT) Tuesday 17thSeptember Group A 19 45: Real Sociedad vs Shakhtar Donetsk 19 45: Manchester United vs Bayern Leverkusen Group B 19 45: FC Cop'hagen vs Juventus 19 45: Galatasaray vs Real Madrid Group C 19 45: Olympiakos vs Paris Saint Germain 19 45: Benfica vs Anderlecht Group D 19 45: Bayern Munich vs CSKA Moscow 19 45: Plzen vs Manchester City Wednesday 18thSeptember Group G 19 45: AustriaVienna vs FC Porto 19 45: Atletico Madrid vs Zenit Group H 19 45: AC Milan vs Celtic 19 45: Barcelona vs Ajax Group E 19 45: Chelsea vs Basel 19 45: Schalke vs SteauaBucuresti . Group H 19 45: Marseille vs Arsenal 19 45: Napoli vs Borussia Dortmund (For more sports news and updates, follow Ahram Online Sports on Twitter @AO_Sportsand on Facebook at AhramOnlineSports) http://english.ahram.org.eg/News/81774.aspx