Ireland head coach Joe Schmidt stated that Leinster playmaker Joey Carbery suffered a suspected broken arm in Ireland's edgy 23-20 win over Fiji in Dublin.
Two tries from Luke McGrath and one by Jordan Larmour saw Leinster beat Ulster 25-10 in the Guinness PRO14 interprovincial derby.
Ireland head coach Joe Schmidt has included Connacht's newly Irish-qualified centre Bundee Aki, while dropping Simon Zebo for autumn internationals against Argentina, Fiji and South Africa.
A brace of Cian Healy tries subjected Glasgow to another harsh lesson in European rugby as they lost 34-18 at home to Leinster.
Joey Carbery stepped up in the absence of Johnny Sexton as Leinster started their Champions Cup campaign with an impressive 24-17 win over French powerhouse Montpellier at the RDS in Dublin.
Johnny Sexton set a new Leinster points-scoring record in the 23-17 PRO14 victory over Munster at the Aviva Stadium.
Munster travel to Leinster Saturday for the biggest derby in Irish rugby, when international teammates put friendships to one side and the intensity increases. But there was no bitterness to the rivalry this week as Anthony Foley took centre stage.
Jamison Gibson-Park's 73rd-minute try helped Leinster to seal a 21-13 victory over Edinburgh in the Guinness PRO14 at the RDS Arena.
Leinster and Ireland backrow Jamie Heaslip is set to miss at least the opening round of the Champions Cup after being left out of the team's squad.
Leinster slipped to their first Guinness PRO14 defeat of the season in Bloemfontein despite a hat-trick of Barry Daly tries as Cheetahs secured a 38-19 victory.
Ireland and Leinster star Cian Healy has apologised after being asked to leave a flight from Port Elizabeth to Cape Town.
Leinster ran in five tries to secure a bonus-point 31-10 PRO14 victory over the Southern Kings at a sparsely populated Nelson Mandela Bay Stadium.
Leinster captain Isa Nacewa and fellow New Zealander Jamison Gibson-Park have been refused entry to South Africa and will miss their side's upcoming PRO14 fixtures.
Ireland and Leinster fullback Rob Kearney has suffered a fresh injury blow which will rule him out of the province's PRO14 games against the Cheetahs and Southern Kings in South Africa.
Leinster scored three tries in the space of six minutes to ease to a convincing 37-9 win over Cardiff Blues in the Guinness PRO14.
Gavin Henson's return as a Welsh regional player following a five-year absence ended in a bonus point defeat as Leinster ran out comprehensive 39-16 winners over the Dragons.
Leinster could face the Southern Kings and Cheetahs without several key players due to PRO14 restrictions and the Irish player welfare system.
South African franchise the Cheetahs will get their first taste of PRO14 action on Friday, Sept. 1 as they take on Ulster at Kingspan Stadium.
It is not difficult to see why Celtic Rugby would jump at the chance to breath new life into the rebranded PRO14. But the organisers face issues as they attempt to make the expansion work.
Tuesday brought official confirmation that South African sides the Cheetahs and Southern Kings would, as expected, join an expanded PRO14 competition. But what will the new championship look like?
Garry Ringrose has been ruled out of action for up to five months following surgery on a shoulder issue.
British & Irish Lions head of medicine Dr Eanna Falvey says Robbie Henshaw is set to be sidelined for up to four months while Jared Payne is suffering from migraines.
Clermont Auvergne's Top 14 final victory has ensured they will enter Thursday's European Champions Cup draw as top seeds.
- LEINS4thTRIES SCORED 1st Saracens : 13 Tries ScoredSARAC1st813
- LEINS4thPOINTS DIFFERENCE 1st Saracens : 46 Points DifferenceSARAC1st2346