Leo Cullen turns to youth after Ireland stars see Leinster keep 100% record

Thanks to converted tries by James Tracy and James Lowe, Leinster held a 20-13 interval cushion

Robbie Henshaw of Leinster in action against Sebastian Negri, left, and Toa Halafihi of Benetton during the Guinness PRO14 match against Benetton at Stadio Monigo in Treviso. Picture: Daniele Resini/Sportsfile

PRO14: Benetton 25 Leinster 37

With several of those who featured in Saturday’s bonus-point triumph over Benetton set for an extended spell in the Irish camp, Leinster head coach Leo Cullen admits the province will face a significant challenge over the next few weeks.