Video: Heineken Cup previews
Sky Sports rugby union pundit Stuart Barnes previews every group ahead of this season's Heineken Cup.
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Europe's premier club competition returns this weekend as 24 teams kick-off their quest for Heineken Cup glory.
Defending champions Toulon are Sky Bet's 7/2 favourites to retain their crown having bolstered their impressive squad even further with the likes of Bryan Habana while fellow French outfit Clermont Auvergne are regarded their nearest challengers at 5/1.
Saracens (7/1), Toulouse (7/1), Leinster (8/1), Ulster (14/1), Leicester (14/1) and Munster (16/1) are among the other leading contenders hoping to reach Cardiff's Millennium Stadium on May 24 but only two teams can make it.
Here, Sky Sports' rugby union pundit Stuart Barnes previews each of the six pools ahead of the opening weekend so check out what he has to say using the links below.