The only changes are on the replacements’ bench where Garry Horrigan will cover as hooker and Jake Thomas has recovered from injury.
Wales Under-20 lock Daniel Partridge, from Beddau, is again named among the replacements.
Cardiff: Rhys Williams; Ryan Howells, Gareth Chapman, Darren Ryan, Chris Czekaj; Lee Jarvis, Owen Ruttley (captain); Ian George, Rhys James, Kristian Gay, James Down, Damian Welch, Adam Powell, Craig Everett, Rhys Shellard.
Replacements (from): Garry Horrigan, Phil Osborne, Daniel Partridge, Jake Thomas, Garyn Lucas, Gareth Davies, Shaun James, Roger Davies.