A Munster squad missing 34 players due to Covid-19 picked up a 35-14 bonus-point win at Wasps as Brad Shields was red carded.
European Professional Club Rugby has relaxed player registration rules in response to the plight of four sides who found themselves stranded in South Africa.
We look ahead to Sunday's five Heineken Champions Cup games as Europe's top clubs face each other in Round 1 for another year.
Most of Munster's playing and backroom staff have arrived back from South Africa after being stranded in Cape Town due to the discovery of a new coronavirus variant.
Munster have recorded nine new positive Covid-19 cases among their group of players and staff in South Africa.
Cardiff and Munster are to remain in Cape Town after both clubs returned positive coronavirus tests.
Andy Farrell makes four changes to his Ireland XV to take on Argentina as Conor Murray, Joey Carbery, Robbie Henshaw and Robert Baloucoune start.
Ireland's Andy Farrell has made one change to his starting XV to take on the All Blacks, as Ulster lock Iain Henderson comes in to start.
Johnny Sexton will pick up his 100th Test cap for Ireland vs Japan, while Jamison Gibson-Park and James Lowe are both picked to start.
It was a bumper Saturday of action in the United Rugby Championship, with six games taking place throughout the day.
Munster and South Africa lock RG Snyman has suffered a re-rupture of the ACL in his knee, the province have confirmed.
Recap Saturday's United Rugby Championship action as Munster, Benetton, Glasgow, Ulster and Ospreys claimed victories...
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.
Conor Murray was surprised to be appointed Lions captain once Alun Wyn Jones had been ruled out of the tour to South Africa by a dislocated shoulder.
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.
We round up Friday's action in the PRO14 Rainbow Cup as Leinster and Munster both finished the competition with wins.
After Andrew Porter's injury withdrawal from the 2021 Lions squad prior to the tour, we look through other would-be Lions who missed out.
Damian de Allende expects to recover in "a few weeks" from the burns that caused alarm ahead of the upcoming Lions series.
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