Perpignan finally had a win to celebrate, while Clermont Auvergne were too good for Bordeaux-Begles in Top14.
Zebre put on a spirited showing but ultimately fell short against Pro14 heavyweights Leinster.
Leicester Tigers limped to defeat at Saracens, meaning the victors once again sit top of the Premiership.
New Zealand Conference giants the Crusaders and the Hurricanes each came through testing openers in Super Rugby on Saturday.