Racing 92 managed to overcome a tough challenge from Leicester Tigers as they edged out the English Premiership club with a 22-18 win in the opening round of the European Champions Cup at Stade Yves-Du-Manoir on Saturday.
Leinster came up with a clinical performance at RDS Arena on Saturday as they registered a bonus point victory over Montpellier in their European Champions Cup opener.
Scrum half Sebastien Bezy kicked the decisive penalty as Toulouse came from behind to draw the game against Sale Sharks 20-20 in their European Challenge Cup encounter at AJ Bell Stadium on Friday.
Ulster came up with a clinical second half performance as they came from behind to win the European Champions Cup opening clash against Wasps with a 19-9 margin at Kingspan Stadium on Friday.
Glasgow Warriors assistant coach Mike Blair is expecting a stiff challenge from Exeter Chiefs when the two teams meet each other at Sandy Park on Saturday in the European Champions Cup opener.
Scotland international Ruaridh Jackson expressed confidence in Glasgow Warriors' success in the upcoming European Champions Cup following a promising start to the season.
Defending champions Saracens will begin their European Champions Cup title defence against Northampton Saints in the opening round of the 2017/18 season.
Defending champions Saracens has been drawn in the same pool as last year finalist Clermont Auvergne as the draws for the 2017/18 season of European Champions Cup was announced in Neuchatel, Switzerland on Thursday.
England international Tom Wood has been handed a six-week ban by the Rugby Football Union disciplinary panel following his red card incident during the European Champions Cup play-off final against Stade Francais last week.
Northampton Saints made an incredible comeback after being 6-22 behind while also overcoming a red card to Tom Wood to win the European Champions Cup play-off final against Stade Francais at Franklin's Gardens on Saturday.
Northampton Saints have managed to keep their hopes alive of a possible European Champions Cup berth next year after they defeated Connacht 21-15 in the qualification play-off at Franklin's Gardens on Saturday.
Stade Francais came up with a dominant second half performance where they amassed six tries as they completed a 46-21 victory at Stade Jean Bouin on Friday to keep their chances of qualifying to European Champions Cup alive.
Saracens back-row Billy Vunipola said that the club is striving to achieve the 'Barcelona of rugby' tag after their recent European Champions Cup success where they defeated Clermont Auvergne in the final at Murrayfield Stadium.
Saracens went on to retain the European Champions Cup title as they defeated Clermont Auvergne by 17-28 in the final at Murrayfield Stadium on Saturday.