Group A: Lyon, Wolfsburg, Roma, Galatasaray,
Group B: Chelsea, Real Madrid, Twente, Celtic
Group C: Bayern Munich, Arsenal, Juventus, Vålerenga
Group D: Barcelona, Manchester City, St. Pölten, Hammarby
The group stage is spread over six match days: 8/9 October, 16/17 October, 12/13 November, 20/21 November, 11/12 December and 17/18 December.
The top two teams advance to the playoffs.
Quarter-finals: 18/19 and 26/27 March.
Semi-finals: 19/20 and 26/27 April.
Final: 23, 24 or 25 May at Estádio José Alvalade, Lisbon.