London Irish travel across the Severn Bridge hoping to keep their charge towards the quarter-finals with victory.

Toby Booth’s men have performed well and a success in west Wales will set up a mammoth final day decider against defending champions Leinster.

The Scarlets pulled off one of the shocks of the competition in round two with a 26-25 win in Reading.

And the Welsh region have formed at the one-year-old Parc y Scarlets following an upset over Stade Francais last season.