The Six Nations and Rugby Championship could introduce promotion and relegation as part of planned changes to the international game.
The back-and-forth between the Ospreys, Scarlets and PRB continued on Wednesday, with the Swansea region alleging a "stitch-up".
A look back at the best facts and stats from Kieran Read's career, as he prepares to step down from New Zealand duty.
The Scarlets say the Ospreys approached them last December regarding a possible merger, but the plans have been scrapped.
Kieran Read had been linked with Racing 92 and a Premiership switch, but said it was a "pretty straightforward" decision to move to Japan.
Kieran Marmion and Ross Byrne have been named in the Ireland squad ahead of the clash with France, but Robbie Henshaw and Dan Leavy...
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New Zealand head coach Steve Hansen says Kieran Read has enhanced the legacy of the All Blacks jersey in a "remarkable" career.
Kieran Read will head to Japan after the Rugby World Cup, ending his legendary career with New Zealand.
Maro Itoje limped out of England training and Charlie Ewels has been called up as cover for the lock.
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.
Joey Carbery and Andrew Conway could feature against France this weekend, but Robbie Henshaw and Dan Leavy may be absent.
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.
Cory Hill's ankle injury has given Adam Beard an opportunity to come back into the Wales starting line-up at Murrayfield.
Scott Hastings says the onus is on Greig Laidlaw and other senior Scotland players to step up when they lock horns with Wales.