When it comes to heavyweight finals, it doesn't come much heavier than Toulouse versus La Rochelle - literally.
The La Rochelle and Toulouse teams have been named for this Saturday's all-French Champions Cup showpiece final at Twickenham.
Follow all the action on the RugbyPass live blog from the Heineken Champions Cup match between Toulouse and Gloucester at Stade Ernest-Wallon.
Sunday's semi-final is a salivating prospect as Europe's two most successful clubs go head-to-head in a match-up that left RugbyPass with plenty to debate in deciding its Composite XV.
Leinster head coach Cullen has made a number of changes from the team that played last weekend against Glasgow Warriors with captain Johnny Sexton back from injury having recovered from a quad injury.
Toulouse replaced Clermont Auvergne at the summit of the Top 14 table on Sunday, while Toulon scored two late tries to stun Stade Francais.
Just two years removed from missing the Top 14 playoffs for the first time in 40 years, how did they become a legitimate force in the running for European glory again?
Toulouse have gone from peerless European aristocrats to an overspending and underperforming mess at the highest club level over the last decade, but their win against Leinster shows that their return to relevance may be coming sooner rather than later.