Three areas that hold key to cup glory

Getting the upper hand here will give one team an edge at Twickenham.

1 Set-piece shoot-out

Ulster will bid to undermine Leinster’s quest for greatness by limiting the supply of quality possession from the set-piece. It is the one area that potentially offers them a significant edge over their better balanced opponents. Leinster emerged with victory from Bordeaux despite the fact that their scrum — especially in the opening half — and their lineout was poor.