Cardiff can do Newport a good turn by defeating Llanelli at the Arms Park on Friday and leaving Newport with a title chance if they in turn beat Bridgend on Saturday.
If Cardiff win and Newport lose, it would be Cardiff's title, but if Llanelli win on Friday, they will be the champions.
The three clubs, plus current leaders Neath, have already secured places in next season's Heineken Cup, with the fifth place going to Swansea or Pontypridd - the latter gaining the place if they defeat Sale Sharks and win the Parker Pen Shield on May 26 at Oxford.
The current Welsh/Scottish League table for the top seven clubs is: -
Young referee Ben Breakspear is making rapid strides as a referee. In just over a year he has gone from officiating a college game to being a touchline official during last weekend's RBS 6 Nations clash between Wales and Ireland at Principality Stadium.
Grand Slams, Triple Crowns and British and Irish Lions tours - Sir Gareth Edwards did it all. But what are his favourite moments in what was an amazing career? WRU TV finds out - along with his favourite players of today in the third and final instalment of our series with the greatest rugby player ever.
JPR Williams, Gerald Davies and Mervyn Davies were among those in the Welsh ranks when Sir Gareth Edwards began his international career against France nearly 50 years ago, but who was the player who took the young scrum half under their wing?
Wales head coach Rob Howley and captain Alun Wyn Jones are expecting a physical battle against France on Saturday but both are hoping for another impact from the bench as the men in red chase a top-four world ranking.
It's nearly 50 years since the great Sir Gareth Edwards made his debut as a youngster for Wales against France in Stade Colombes. In the first of a series, WRU TV discovers he pocketed a 'special momento' from the game - something he still has today.
This week, Wales squad players Sam Warburton, Jonathan Davies and Ken Owens took time out to support Operation Net Safe, a joint initiative by the four Welsh police forces to tackle child sexual abuse. The forces are working with the Lucy Faithfull Foundation, the only UK-wide child protection charity dedicated solely to reducing the risk of children being sexually abused, on a campaign called Stop it Now!