The Ospreys have confirmed Alun Wyn Jones and George North both sustained injuries during the Six Nations that could end their season.
John Barclay will be looking to make up for lost time when he comes up against the European champions on Friday.
There will be no imminent merger of Welsh regions after it was confirmed all four will stay as they are next season.
Fly-half Gareth Anscombe says Wales players have been let down as a domestic dispute rumbles on.
Josh Adams will be a Cardiff Blues player from next season after agreeing a move from Worcester Warriors.
The Scarlets have signed up Wales trio Jonathan Davies, Ken Owens and Rob Evans to new deals.
After last year's European Champions Cup success, Leinster have moved to retain head coach and club great Leo Cullen.
Captain Alun Wyn Jones says the Wales squad have been affected by talk of a merger between the Scarlets and the Ospreys, which is...
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The back-and-forth between the Ospreys, Scarlets and PRB continued on Wednesday, with the Swansea region alleging a "stitch-up".
The Scarlets say the Ospreys approached them last December regarding a possible merger, but the plans have been scrapped.
The Ospreys insist they are not set to merge with the Scarlets, but the Professional Rugby Board says terms for that move had been...
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A merger with Scarlets is not on the cards, Pro14 side Ospreys have insisted.
Mike James hit out at proposals for a merger with the Scarlets as the Ospreys chairman resigned from his post.
Warren Gatland wants Wales to focus on winning the Six Nations, but says talk of an Ospreys-Scarlets merger has had an impact on players.
Ulster saw out the final 10 minutes with 13 men to inflict a four-try defeat on a beleaguered Dragons side.
Wales international Leigh Halfpenny featured in the Scarlets' 10-6 win over Munster, while Glasgow Warriors went top of Conference A.