Saracens will begin their defence of the Heineken Champions Cup at Racing 92 as they bid to win the competition for the fourth time in five seasons.
Alun Wyn Jones has ended speculation over his future by signing a two-year contract extension at Ospreys.
Saracens will face Munster, Racing 92 and the Ospreys in next season's Champions Cup while Stuart Hogg returns to Glasgow.
Ospreys booked their place in the Champions Cup by winning a close-fought PRO14 play-off against Scarlets 21-10 at the Liberty Stadium.
Team news and views of the head coaches as Ospreys and Scarlets clash with a Champions Cup place at stake.
Wales' Nicky Smith has signed a new long-term deal with the Ospreys, keeping the prop at the region until 2023.
Benetton Rugby gained a place in the Guinness PRO14 Final Series for the first time on Saturday.
Cardiff Blues and Wales fly half Gareth Anscombe is set to join Ospreys next season.
Ulster seal play-off spot with win against Edinburgh, while Muster see off Benetton and Ospreys beat Southern Kings.
Recap Saturday's Guinness PRO14 action as Ospreys, Connacht and Edinburgh all pick up wins, while Leinster and Benetton drew.
Keep across all the PRO14 team news ahead of another busy round of matches in Wales, Scotland, Ireland, Italy and South Africa.
Find out who makes it into our XV this week as the standouts from the Premiership, PRO14, Top 14 and Super Rugby combine.
We recap Saturday's Guinness PRO14 action as the Ospreys, Ulster, Munster and Glasgow Warriors picked up wins...
Ospreys could be without three of their star names, including Wales captain Alun Wyn Jones, for the rest of the season.
Welsh rugby will continue to be represented by four regions for at least another year after the Professional Rugby Board ruled out a merger for next season.
Grand Slam winner Gareth Anscombe has called on the power-brokers to sort out Welsh rugby's domestic mess.
Soon after they announced signing Michele Campagnaro, Harlequins have revealedScott Baldwin will also be joining the club.
Incoming Ospreys chairman Rob Davies has strongly criticised Wales' Professional Rugby Board over proposed changes to the Welsh regional sides.
Rupert Cox and Will Greenwood chat World League proposals, Saracens and the salary cap, Welsh region mergers and hear from Sarah Bern.
Scarlets say a proposed merger with Ospreys is "off the table".
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