Ulster secure the lineout before sending it high

Burns is down and needs attention

Herron finds space on the Ulster 22m

Early penalty goes the way of Quins as Coetzee's tackle is dangerous

Cooney kicks us off

Harlequins host Ulster at Twickenham Stoop in a round 4 clash in the Champions Cup. Harlequins will be fired up for this clash as they need to get back to winning way.. They have only won one game in the competition this season, while Ulster are unbeaten and look a serious contender. Ulster are on a four game winning run in all competitions. Its all set up to be a fascinating clash