Leinster are on the attack again with strong bursts from lock Joe McCarthy and wing James Lowe but Scarlets centre Joe Roberts forces a turnover penalty.
'Huge' responsibility for Costelowpublished at 3 mins
3 mins
Leinster 0-0 Scarlets
Alex Cuthbert Wales and Ospreys winger on BBC Radio Wales Extra
That game against Northampton would have really hurt Leinster. That is a blueprint of what the Scarlets would have looked at in the week, how they disrupt Leinster’s line speed.
That’s where Leinster have been at their strongest this season is suffocating teams.
The kicking game is going to massive today and there’s a huge onus on Sam Costelow.