The pack sees two changes with Ross Johnson coming in at hooker and Ben White starting in the back row, while in the backs, scrum half Richie Rees comes in for Jason Spice.
Maama Molitika was not considered for selection after bruising his shoulder in the win over the Ospreys last Friday. Tom James is also unavailable for selection after suffering from food poisoning.
Cardiff Blues
15 Ben Blair
14 Rhys Williams
13 Tal Selley
12 Dafydd Hewitt
11 Jamie Roberts
10 Nick Robinson
9 Richie Rees
8 Xavier Rush (c)
7 Robin Sowden-Taylor
6 Ben White
5 Paul Tito
4 Deiniol Jones
3 Gary Powell
2 Ross Johnson
1 John Yapp
16 Scott Roberts
17 Gareth Williams
18 Robert Sidoli
19 Mark Lewis
20 Jason Spice
21 Nick Macleod
22 Marc Stcherbina
Cardiff Blues
15 Ben Blair
14 Rhys Williams
13 Tal Selley
12 Dafydd Hewitt
11 Jamie Roberts
10 Nick Robinson
9 Richie Rees
8 Xavier Rush (c)
7 Robin Sowden-Taylor
6 Ben White
5 Paul Tito
4 Deiniol Jones
3 Gary Powell
2 Ross Johnson
1 John Yapp
16 Scott Roberts
17 Gareth Williams
18 Robert Sidoli
19 Mark Lewis
20 Jason Spice
21 Nick Macleod
22 Marc Stcherbina
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