Group A
LIVERPOOL
Porto
Marseille
Besiktas


Group B
CHELSEA
Valencia
Schalke 04
Rosenborg


Group C
REAL MADRID
Werder Bremen
Lazio
Olympiakos


Group D
AC MILAN
Benfica
Celtic
Shakhtar Donetsk


Group E
BARCELONA
Lyon
Stuttgart
Rangers


Group F
MANCHESTER UNITED
Roma
Sporting Lisbon
Dynamo Kiev


Group G
INTER MILAN
PSV Eindhoven
CSKA Moscow
Fenerbahce


Group H
ARSENAL
Sevilla/AEK Athens
Steau Bucharest
Slavia Prague


Typically easy group for Man U, Celtic are gonna struggle. Liverpool and Chelsea should be OK though.