<div align="center">Harlequins v Cardiff</div> Having secured an impressive bonus point win against Bristol last Sunday Dai Young's side travel in confidence to London as they face yet another anglo-welsh derby at the Twickenham Stoop. It is yet another test of the Magners League table toppers who look to continue their quest to make the quarter finals for the first time in seven seasons. Young makes 2 changes with Tom Rhys Thomas in at hooker and Gethin Jenkins in for John Yapp. Harlequins have yet to name their side but will be looking to bounce back following their 20 point defeat in Paris in their opening fixture. Cardiff Blues: 15 Ben Blair, 14 Tom James, 13 Jamie Robinson, 12 Tom Shanklin, 11 Gareth Thomas, 10 Dai Flannagan, 9 Jason Spice, 8 Xavier Rush, 7 Martyn Williams, 6 Mamma Molitika, 5 Paul Tito, 4 Deiniol Jones, 3 Taufa'ao Filise, 2 T Rhys Thomas, 1 Gethin Jenkins. Replacements: 16 John Yapp, 17 Gareth Williams, 18 Robert Sidoli, 19 Scott Morgan, 20 Robin Sowden-Taylor, 21 Tal Selley, 22 Rhys Williams.