Fly-half Dan Jones kicked a last gasp penalty to secure Scarlets a dramatic 10-10 draw against PRO14 Conference B leaders Leinster at a rain-drenched Parc y Scarlets.
Former Ireland captain Jamie Heaslip has announced his retirement from rugby following a long battle with injury.
Ireland international Garry Ringrose made a successful return from ankle surgery as Leinster ran in 10 tries in a 64-7 PRO14 win over the Southern Kings at the RDS.
Leinster moved three points clear of Scarlets at the top of the Guinness PRO14 Conference B standings after beating the Welsh side 20-13 at the RDS.
Mark Bennett scored a last-minute try to give Edinburgh a dramatic 29-24 PRO14 win over Leinster at Myreside.
Ireland flanker Josh van der Flier will miss the rest of the season with a serious knee injury after hobbling off during Ireland's Six Nations opener against France.
After a weekend of rugby that required all your fingers, toes and a calculator, the quarterfinal line-ups in both the Champions Cup and the Challenge Cup have been finalised.
Holders Saracens will face top seeds Leinster in a mouthwatering European Champions Cup quarterfinal.
Leinster completed a clean sweep of Pool 3 with a 23-14 triumph at Montpellier to guarantee top seeding for the European Rugby Champions Cup quarter-finals.
Leinster fullback Jordan Larmour has won his first call-up to Ireland's senior ranks after being named in Joe Schmidt's 36-man Six Nations squad.
Leinster took just 34 minutes to register their bonus point as they saw off a depleted Glasgow Warriors side 55-19 at the RDS Arena to secure a European Champions Cup home quarterfinal.
Seán O'Brien is a major doubt for the start of Ireland's Six Nations campaign after undergoing a 'small procedure' to deal with a hip problem
Leinster completed a hat trick of Guinness PRO14 derby wins over the festive period as they hammered Ulster 38-7 at the RDS.
Ireland head coach Joe Schmidt received a Six Nations fitness boost with the news that Leinster back row Sean O'Brien and utility back Joey Carbery are nearing a return.
Connacht went through 28 phases in search of a last-gasp try but Leinster held out to clinch an engrossing 21-18 derby victory in the Guinness PRO14.
Jordan Larmour's 60-metre effort was the decisive score of an epic eight-try Guinness PRO14 derby as Leinster defeated Munster 34-24 at Thomond Park.
A tenacious fightback from 14 points down saw Leinster complete a Champions Cup double over Exeter Chiefs, with Luke McGrath's 65th-minute try proving crucial in a 22-17 win at the Aviva Stadium.
Ireland international prop Tadhg Furlong has committed his future to Leinster Rugby after signing a three-year IRFU contract which will keep him with the province until 2021.
Leinster took a firm grip on Pool 3 of the European Champions Cup as they inflicted a first home defeat in 12 months on Aviva Premiership champions Exeter.
Exeter fly-half Gareth Steenson is relishing the prospect of Sunday's heavyweight Champions Cup clash against Leinster.
Ulster Rugby have announced that Ireland and current Leinster backrow Jordi Murphy will join the province next summer on a two-year deal.
Leinster secured a comfortable 36-10 Guinness PRO14 victory against Benetton in Treviso.
Leinster erased an early 10-point deficit to put the deflated Dragons to the sword in a 54-10 Guinness PRO14 victory at the RDS.
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.
A scintillating first-half display saw Glasgow exact revenge on Leinster with a stunning 31-21 bonus-point win at Scotstoun.
- LEINS2ndTRIES SCORED 1st Saracens : 24 Tries ScoredSARAC1st2224
- POINTS DIFFERENCE1st 83 points