■By DECLAN ROONEY

First blood: Joey Carbery goes over to score Leinster’s first try
PICTURES: Getty Images

RUAN Pienaar nailed a late penalty to secure a key bonus point for Montpellier at the RDS, but Leinster got off to the perfect start with a five-point haul.
Joey Carbery and Josh van der Flier put Leinster five up at the interval, but Robbie Henshaw was outstanding after the break and scored his side’s third before he helped Barry Daly to a bonus clinching fourth 13 minutes from time.
A rarity for a modern hooker, Montpellier’s Bismark du Plessis almost laste...