Zack Holmes kicked two late penalties to give La Rochelle a 25-19 win over Toulouse and move back into second place.
Struggling Lyon will look to their Toulon old boys to stun the three-time European champions in Sunday's Top 14 clash.
Clermont took control of pool five with a 49-33 win over Bordeaux-Begles at Stade Marcel Michelin on Saturday.
Recap of all the action from Saturday's Champions Cup matches including Munster's emotional win over Glasgow.
Clermont make three changes ahead of Saturday's Champions Cup Pool 5 clash against Bordeaux-Begles.
Can Scarlets halt Saracens and will the returning Johnny Sexton help Leinster against Montpellier? We preview round two.
Glasgow Warriors and Clermont Auvergne lead the way with three players apiece following impressive wins in the Champions Cup.
Clermont Auvergne made an immediate statement of intent in the Champions Cup as they thrashed Exeter 35-8 at Sandy Park.
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