Undefeated in their last six Magners League games, and securing a bonus point win against the Dragons on Tuesday night, the Blues know they must win the match this Saturday if they are to keep their league title aspirations alive.
David Young names a team that shows five changes to the one that defeated the Dragons on Tuesday. Jamie Robinson returns to the starting line-up while Nick Macleod takes over at fly half from Nicky Robinson.
Rhys Thomas, Bradley Davies and Martyn Williams all return with Robin Sowden-Taylor and Marc Stcherbina dropping to the bench.
Cardiff Blues: Ben Blair; Rhys Williams, Jamie Robinson, Tom Shanklin, Chris Czekaj; Nick Macleod, Mike Phillips; Xavier Rush (Capt), Martyn Williams, Scott Morgan, Deiniol Jones, Bradley Davies, Gary Powell, T Rhys Thomas, Gethin Jenkins
Replacements: Scott Roberts, Gareth Williams, Mark Lewis, Robin Sowden-Taylor, Wayne Evans, Mark Stcherbina, Nicky Robinson