Iain Henderson scored a double as Ulster secured their second win over Scarlets in two weeks with a 30-15 victory in their European Champions Cup clash at Kingspan Stadium on Friday.
Racing 92 maintained their winning streak as they completed a 36-26 victory over Leicester Tigers in their Pool 4 Champions Cup encounter at Paris La Defense Arena on Saturday.
Munster came up with an improved second half performance as they went on to beat Castres 30-5 in their European Rugby Champions Cup at Thomond Park on Sunday.
Exeter Chiefs' chances of progressing to the quarter-finals of the ongoing Champions Cup has been dealt another major blow after they were defeated 19-27 by Gloucester Rugby at Sandy Park on Saturday.
European rugby returns as the third round of the Heineken Champions Cup takes centre stage and Joe Harvey has selected three 'must-watch' fixtures from this weekend's action.
The second week of the Heineken Champions Cup produced more amazing results, talking points and excellent performances. Joe Harvey brings you up-to-date with the action from across Europe.
Glasgow Warriors managed to open their account in the ongoing Heineken Champions Cup after defeating Cardiff Blues 12-29 at Cardiff Arms Park on Sunday.
Replacement Callum Chick scored the decisive try in the eighth minute of added time as Newcastle Falcons edged out Montpellier 23-20 in their Heineken Champions Cup clash at Kingston Park on Sunday.
Danny Cipriani's red-card proved costly for Gloucester Rugby as they were defeated 36-22 by Munster in their European Champions Cup encounter at Thomond Park on Saturday.
Castres managed to overcome a red-card to Maama Vaipulu as they handed a 29-25 defeat to Exeter Chiefs in their European Champions Cup encounter at Stade Pierre Fabre on Saturday.
Leicester Tigers managed to get their first win in the ongoing European Champions Cup after they went on to beat Scarlets 45-27 in their Pool 4 encounter at Welford Road on Friday.
Toulouse number eight Jerome Kaino has been handed a five-week ban following his yellow-card incident in the opening game of the European Champions Cup against Bath Rugby at Recreation Ground last weekend.