The Scarlets have called for a change in position on the rescheduling of Champions Cup matches with 32 of their players currently quarantining in Northern Ireland.
Cardiff and the Scarlets say they are struggling to fly their teams back from South Africa despite securing a charter plane.
Wales look set to end the autumn with more injuries as Wayne Pivac waits on assessments to four players ahead facing Australia.
Ken Owens will miss Wales' entire Autumn Nations Series due to a back injury.
Wales look set to have Liam Williams and Ellis Jenkins in the selection mix for Saturday's Autumn Nations Series clash against South Africa.
Taine Basham, Owen Lane, Johnny Williams and Gareth Anscombe will start for Wales vs New Zealand, while Liam Williams is ruled out.
Recap Friday's United Rugby Championship action as Leinster won at Glasgow and Scarlets ended their poor run at home vs Benetton.
It was a bumper Saturday of action in the United Rugby Championship, with six games taking place throughout the day.
Uncapped Exeter forward Christ Tshiunza has won a surprise Wales call-up, with Wasps' Thomas Young included ahead of his move to Cardiff.
Recap Friday's United Rugby Championship action as Connacht battered the Bulls and Scarlets dispatched the Lions...
Recap Saturday's United Rugby Championship action as Leinster, Munster, Edinburgh and Benetton began their seasons with victories.
Defending European Cup champions Toulouse will begin their title defence in Cardiff, in a repeat of the inaugural 1996 final.
Defending European Cup winners Toulouse will face Wasps and Cardiff in 2021/22; Premiership champions Harlequins will play Castres and Cardiff.
Tadhg Beirne's Lions tour will see him reunited with South African opponents of old, fellow Ireland U20 stars, Rassie Erasmus, and former Scarlets team-mates.
The Stormers edged the Lions in South Africa while Cardiff Blues saw off Scarlets and Benetton remain unbeaten after their win against Zebre.
Scarlets have confirmed Glenn Delaney has left his position as head coach with immediate effect.
Recap Saturday and Friday's PRO14 Rainbow Cup from both hemispheres, as Leinster, Scarlets, Bulls, Sharks, Munster and Glasgow post big wins.
In the aftermath of Warren Gatland's 2021 British and Irish Lions squad announcement, we look at the winners and losers from the backs.
In the aftermath of Warren Gatland's 2021 British and Irish Lions squad announcement, we look at the winners and losers from the forwards.
Sam Simmonds, who last played for England in 2018, has been included in a 37-man British and Irish Lions squad to face South Africa.
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