Bulls will present Leinster with a 'very tough challenge'

Johnny Sexton with Leinster head coach Leo Cullen. Picture: INPHO/Dan Sheridan

As with so many coaches, Leo Cullen has cried wolf far too often.

Bigging up an opponent is as endemic to the pre-game routine as a good night’s sleep or a defensive drill, and yet the rollcall of teams who have come to Dublin and rolled over is long and depressing.