Saturday's rugby union action in the Champions Cup and Challenge Cup - listen to BBC Radio 5 live sports extra and local radio commentary.
Ken Owens returns to captain Scarlets who will be up against several Wales internationals named in the Bath side, including Rhys Priestland.
Scarlets boss Wayne Pivac backs the revamped Test selection policy for players based outside Wales as a "step in the right direction".
Scarlets boss Wayne Pivac fears prop Rob Evans could be out for a period that would include Wales' 2017 autumn Tests.
Audio & Video
Scrum V discusses the possibility of Wales changing its senior player selection policy for Test matches.
How to get into rugby union
How to get into rugby union - through the age groups up to the 15-player game or try rugby sevens, which made its Olympic debut in 2016.
Rugby alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Commentaries, clips and podcasts
Enjoy the best debate, analysis and interviews with BBC 5 live and World Service plus our rugby union commentary listings.
What's on BBC Sport this week
This week's sport on the BBC includes commentary of the European Rugby Champions Cup, Champions League football and the United States Grand Prix.