Wasps' only blip has been an 13-13 draw at Bayonne but with 21 points already in the bank it is all about going for as high a ranking as possible.
They beat the Welsh region 38-25 in Round 1 at Adams Park with No 8 Billy Vunipola, who will join Saracens at the end of the season, and Joe Simpson among their four try scorers.
- Newport Gwent Dragons have lost their last four matches in all competitions, since beating Rugby Mogliano 53-3 in Round 4.
- The Welsh outfit have beaten English opposition just once in 19 attempts in ERC competitions: 17-11 at home to Bristol on 12 January 2007.
- London Wasps have lost only one of their last nine fixtures in all competitions: 23-30 at Exeter in the Aviva Premiership on 1 December.
- The two teams have met on six occasions in all competitions with Dragons' solo win so far being 30-29 at Adams Park in the LV= Cup on 22 October 2011.