With reports of more star names exploring the possibility of moving away from English rugby's top-flight combined with further concerns around financial situations, can Leicester, Exeter and Saracens be a shining light in Europe?
A late try from Teddy Thomas proved decisive as La Rochelle edged out Gloucester 29-26 in the round of 16 clash in the Heineken Champions Cup at Stade Marcel Deflandre.
Stormers managed to hold off a late try from Alex Dombrandt and Joe Marchant as they sealed a thrilling 32-28 victory in the round of 16 clash in the Heineken Champions Cup at DHL Stadium on Saturday.
Leicester Tigers managed to hold off Edinburgh as they sealed a 16-6 victory in the round of 16 clash of the Heineken Champions Cup at Mattioli Woods Welford Road on Friday.
Exeter's Director of Rugby gave a scathing review of his side after their Premiership defeat to Bath but hopes the Chiefs can now bounce back in Europe.
Dave Cherry and Pierre Schoeman scored tries as Edinburgh edged out Saracens 20-14 in the fourth round of the Heineken Champions Cup at DAM Health Stadium on Sunday.
Cobus Reinach scored the decisive try in the end while Louis Carbonel landed the conversion as Montpellier secured a draw against London Irish in the fourth round of the Heineken Champions Cup at GGL Stadium.
Rob Herring and Duane Vermeulen scored tries in the final quarter as Ulster went on to defeat Sale Sharks 22-11 in the fourth round of the Heineken Champions Cup at Kingspan Stadium on Saturday.
Exeter Chiefs punished an ill-disciplined Castres side as they sealed a 40-3 win in the fourth round of the Heineken Champions Cup at Sandy Park on Saturday.
George McGuigan scored two tries as Gloucester came from behind to defeat Bordeaux Begles 26-17 in the fourth round of the Heineken Champions Cup at Stade Chaban-Delmas.
La Rochelle took full advantage of two red cards from Northampton as they sealed a 31-13 victory in the fourth round of the Heineken Champions Cup at cinch Stadium at Franklin's Gardens on Saturday.
Harlequins came up with a five-try performance as they defeated Sharks 39-29 at Twickenham Stoop to secure a berth in the round-of-16 in the Heineken Champions Cup.
Ospreys have reached the knock out stage of the Heineken Champions Cup as they edged out Leicester Tigers 27-26 in the fifth round of the Heineken Champions Cup at Mattioli Woods Welford Road on Friday.
Sharks winger Makazole Mapimpi has been banned for two games following an incident in the recently concluded Heineken Champions Cup game against Bordeaux Begles.
Sale Sharks lock Cobus Wiese will miss the next two games for his club following his red card incident in the recently concluded Heineken Champions Cup fixture against Toulouse.
Leinster stormed into the round of 16 of the Heineken Champions Cup as they ran a seven-try riot to beat Gloucester 49-14 in the third round at Kingsholm Stadium.
Toulouse made most of the red card to Cobus Wiese as they sealed a 27-5 victory over Sale Sharks in the third round of the Heineken Champions Cup at AJ Bell Stadium on Saturday.
Munster successfully overcame Jack O'Donoghue's red card as they edged out Northampton Saints 27-23 in the third round of the Heineken Champions Cup at Thomond Park on Saturday.
Leicester Tigers have booked a berth in the round of 16 as they defeated Clermont 44-29 in the latest round of the Heineken Champions Cup at Stade Marcel-Michelin.