Former Munster back-rower Alan Quinlan was left stunned by Munster's poor performance against Stade Francais.
Stade Francais soundly beat Munster 27-7 in their rearranged European Champions Cup clash at Stade Jean Bouin.
Racing 92 cemented their place at the top of Pool 3 in the Champions Cup with a 34-10 win over Glasgow Warriors.
Clermont took control of Pool 2 of the Champions Cup with a vital 28-10 away win against Bordeaux-Begles.
Centre Jonathan Joseph will make his 50th appearance for Bath when they play Toulon in the Champions Cup on Sunday.
Les Kiss has made eight changes to his Ulster team for Sunday's Champions Cup clash with Oyonnax.
Munster welcome Conor Murray and Keith Earls back from injury for Saturday's must-win Champions Cup tie at Stade Francais.
Glasgow's Zander Fagerson insists his side will pay no special attention to Dan Carter when they face Racing 92 on Saturday.
Stuart Barnes fears for a 'mentally weak' Bath ahead of their Champions Cup clash at Toulon on Sunday.
Hugo Southwell says Bath coach Mike Ford is under pressure and in need of a result in the Champions Cup this weekend.
Ulster remain on course for the Champions Cup quarter finals after a 25-23 victory over Toulouse in Pool One.
Jonathan Davies makes his Clermont return when his side hosts Exeter in the Champions Cup on Sunday, live on Sky Sports.
Ulster travel to the Stade Ernest Wallon on Sunday to face a Toulouse side still smarting from last weekend's whitewashing.
Wasps laid waste to Bath with a wonderful Champions Cup performance that saw them win 36-10 at the Rec.
Leinster will attempt to halt a four-game losing streak in the Champions Cup when holders Toulon visit the Aviva Stadium.
Leicester host Munster at Welford Road for the return Champions Cup tie following last week's 31-19 win at Thomond Park.
World Cup finalist Adam Ashley-Cooper will make his Bordeaux debut in Saturday's Champions Cup clash with the Ospreys.
Stade Francais will keep their quarter-final hopes alive if they beat visiting Treviso in Paris on Saturday.
DTH van der Merwe returns for Scarlets against former side Glasgow Warriors in Saturday's Champions Cup return fixture.
Bath have named an unchanged team to face Wasps in the second of back-to-back European Rugby Champions Cup fixtures.