Barcelona-Inter Milan and Real Madrid-AC Milan -- those are the two biggest pairings in the eight groups drawn for the 2009-10 UEFA Champions League on Thursday in Monaco.
The only other group in which two other former champions were drawn together is Group A with Germany's Bayern Munich and Italy's Juventus.
Marseille is joined by Real Madrid and AC Milan, giving Group C three former champions.
Two groups contain no former champions: Group G with Sevilla, Rangers, VfB Stuttgart and Unirea Uriziceni and Group H with Arsenal, AZ, Olympiakos and Standard Liege.
Bayern Munich, Juventus, Bordeaux, Maccabi Haifa
Manchester United, CSKA Moscow, Besiktas, Wolfsburg
AC Milan, Real Madrid, Marseille, FC Zurich
Chelsea, Porto, Atletico Madrid, APOEL
Liverpool, Lyon, Fiorentina, Debrecen
Barcelona, Inter Milan, Dynamo Kiev, FC Rubin Kazan
Sevilla, Rangers, VfB Stuttgart, Unirea Uriziceni
Arsenal, AZ, Olympiakos, Standard Liege
September 15-16, 2009
September 29-30, 2009
October 20-21, 2009
November 3-4, 2009
November 24-25, 2009
December 8-9, 2009
February 16-24, 2010
March 9-17, 2010
March 30-31, 2010
April 6-7, 2010
April 20-21, 2010
April 27-28, 2010
May 22, 2010
Click here for UEFA Champions League group stage schedule.
The UEFA Champions League debuts this year on the Fox networks. Fox Soccer Channel will air one game live on Sept. 15 and 16 and provide delayed coverage of 10 games during the week of Sept. 15-20.
Click here for Fox Soccer Channel's UEFA Champions League schedule.