Harlequins defied their abysmal domestic form to stun La Rochelle 27-17 at Stade Marcel Deflandre and secure home advantage in the Champions Cup round of 16.
Bristol ran riot in a remarkable first half to secure their place in the Investec Champions Cup knockout phase with a 61-49 victory over the Bulls in Pool Four in Pretoria.
As reports continue to circulate the Welsh Rugby Union intend to cut one of their four regions from the professional game, Ospreys and Cardiff posted Boxing Day derby victories over Scarlets and Dragons.
Munster bounced back from a disappointing defeat to Bath last week to comprehensively beat Gloucester 31-3 in the Champions Cup at Páirc Uí Chaoimh in Cork.
An astonishing start which saw Bath 28-0 ahead inside 19 minutes proved crucial as the Prem side saw off Munster 40-14 in their Champions Cup opener.
Prop Henry Thomas and hooker Evan Lloyd have both been included for their first Test starts in Wales' Six Nations side to take on France in Paris on Friday.
Warren Gatland has named four uncapped players in Wales' squad to take on South Africa and Australia this summer.
Ken Owens has announced his retirement from rugby on medical grounds, after a successful career representing Scarlets, Wales and the British and Irish Lions.
Wales have seen experienced players retire, key men pick up injuries, and largely poor form for over two years. What can we expect in 2024?
Dafydd Jenkins has been named Wales captain for the 2024 Six Nations, with the 21-year-old leading a group which contains five uncapped players.
Keelan Giles led the way as Ospreys fought back to beat Cardiff in their URC derby
Cardiff extended their impressive winning run over local rivals Dragons to 18 league games by handing out a Boxing Day 55-21 thrashing at a sold-out Arms Park.
Wales head coach Warren Gatland has claimed had he known about Wales' issues, he would not have returned for a second spell in charge.
Glasgow reached their first European final after they saw off Challenge Cup rivals Scarlets 35-17 in Llanelli.
Wales' four regional teams can start offering their players new deals after an agreement was reached to introduce standard contracts.
Warren Gatland has made nine changes to his Wales side to face England in the Six Nations on Saturday, after a tumultuous week in Welsh rugby.
Wales players will not take strike action after reaching an agreement with the Welsh Rugby Union amid their dispute over contracts.
Wales have delayed their squad announcement for the Six Nations match with England on Saturday due to uncertainty of player involvement.
Joe Hawkins and Rio Dyer have been named to start in the Wales backline to face Ireland in Saturday's Six Nations opener in Cardiff.
Cardiff director Hayley Parsons has called for WRU chief executive Steve Phillips to resign following allegations of sexism and bullying within the organisation.