The Blues' team to play Ulster at Cardiff Arms Park on Sunday shows three changes from the side that started in Paris last week.
One positional switch sees Craig Morgan move to full back in place of the injured Rhys Williams. It will be Morgan's eighth game of the season in that role.
Into the side come Fereti Tuilagi on the wing and Gethin Jenkins at tight-head prop. Lee Thomas has recovered from a shoulder injury and is named among the replacements.
Team: Craig Morgan; Jonny Vaughton, Tom Shanklin, Tristan Davies, Fereti Tuilagi; Nick Macleod, Richard Smith; John Yapp, Gareth Williams, Gethin Jenkins, Deiniol Jones, Robert Sidoli, Nathan Thomas, Kort Schubert, Robin Sowden-Taylor
Replacements: Martin Jones, Rhys Thomas, Nathan Budgett, Martyn Williams, Dean Dewdney, Lee Thomas, Shaun James
Referee: Christophe Berdos (France)