A round-up of Friday's action, as Sale score four tries in a trouncing of Racing 92 and Castres edged past Munster in the Investec Champions Cup.
A round-up of Saturday's Investec Champions Cup action, where Northampton and Saracens made winning starts but Exeter were beaten by Sharks in South Africa.
Graham Rowntree has left his role as Munster head coach after the side's third consecutive defeat in the United Rugby Championship.
Defending URC champions Munster booked their passage through to this season's semi-finals, defeating the Ospreys 23-7 at Thomond Park.
Munster's former Ireland international Simon Zebo has announced he will retire at the end of the season.
Northampton charged through to the Investec Champions Cup quarter-finals with a 24-14 win over Munster.
Andy Farrell says Ireland have "battened down the hatches" in their quest to retain the Six Nations title after players received online abuse after their loss to England.
Ciaran Frawley has been named to start for Ireland at full-back in place of the injured Hugo Keenan vs Wales in Six Nations Round 3.
Grand Slam winners in 2023, Ireland suffered familiar quarter-final heartbreak at the autumn's Rugby World Cup. How will Andy Farrell's charges respond?
Munster conspired to suffer defeat from the jaws of victory in the Champions Cup, losing 26-23 to 14-player Northampton Saints at a stunned Thomond Park.
A look back at the highlights and lowlights from an action-packed, breathless year for Irish sport.
A night of atrocious conditions at Thomond Park saw Leinster claim a tight 9-3 derby victory over Munster, as both sides struggled to produce passages of play.
Munster have issued stadium bans to the supporter who grabbed Bayonne's Konstantin Mikautadze during a scuffle between players at Thomond Park.
Jack Crowley missed a last-gasp drop-goal as Munster were held to a draw at home to Bayonne in Champions Cup Pool 3, with the French side striking late.
A superb display of attacking rugby saw Munster clinch a 40-29 victory over URC leaders Glasgow Warriors at Musgrave Park in Cork on Friday.
Former Ireland and Munster back-row Denis Leamy has backed Peter O'Mahony to be the next captain of Ireland, after Johnny Sexton's retirement.
An Ireland all-time great has stepped away from the stage in Johnny Sexton. One of the big questions in rugby is, who does Andy Farrell turn to next?
Jean Kleyn will represent South Africa in the Rugby World Cup final, the high point of a remarkable Test career that has seen him play for two nations.
Michael Hooper and James Slipper have been named as co-captains of Australia ahead of the Rugby Championship and World Cup.
Ireland international forward Jean Kleyn has been cleared to represent South Africa under new eligibility rules.