Six Nations scrum-half Ryan Powell returns to the starting line-up, Jamie Robinson moves to inside centre paired with Nick Walne, and Anthony Sullivan returns to the wing as Dai Young makes three changes from the side that beat Swansea 32-19 at St Helens on 24 January.
Both Llanelli and Cardiff have six points from four matches played in this season’s Welsh Premiership.
Cardiff: Rhys Williams; Anthony Sullivan, Nick Walne, Jamie Robinson, Craig Morgan; Iestyn Harris, Ryan Powell; John Yapp, Peter Rogers, Tim Payne, Heino Senekal, Adam Jones, Dan McShane, Emyr Lewis, Martyn Williams (captain)
Replacements: Aled Jones, Greg Woods, Luke Tait, James Malpas, Richard Smith, Dean Dewdney, Pieter Muller
