Smith picked up a knock midway through the first half, bringing Rhodri Gomer-Davies into the fray, and the Dragons' bad luck continued when lock Robert Sidoli fell awkwardly in a tackle and injured his elbow.

BBC: Munster 38-17 Dragons

The Argentine playmaker did open the scoring after 15 minutes though with a well-struck penalty after Quins lock James Percival failed to roll away at a tackle.

BBC: Harlequins 5-6 Leinster

Scrum-half Tom Slater's sniping run was supported by lock Paterson, with Sweeney on hand to break a tackle and cross for a try he then converted.

BBC: Cardiff Blues 38-6 Glasgow