Champions League top spots to be decided
In Group E, Manchester United host AaB Aalborg knowing that first place is guaranteed as long as they do not fare worse than second-placed Villarreal, who travel to Celtic.
A win or draw for Alex Ferguson's men would equal a Champions League record of 19 successive unbeaten games.
Olympique Lyon are without the suspended Brazilian duo Juninho and Cris for their match against Bayern Munich, with Lyon needing a win or 0-0 draw to take first place in Group F.
Fiorentina will play in the UEFA Cup unless they lose to bottom-placed Steaua Bucharest, who have gone 16 Champions League matches without a win.
In Group G, Arsenal travel to Porto with Arsene Wenger's side certain of top spot if they avoid defeat, while a win for Fenerbahce against Dynamo Kiev would give them a UEFA place.
A draw for Juventus against BATE Borisov would secure first place in Group H above Real Madrid, who have new coach Juande Ramos in charge for the first time against Zenit St Petersburg.
Zenit have already secured a place in the UEFA Cup, which they won last season.