Loose head Phil John gets his first league start since September while Adam Jones returns to the second row in place of Vernon Cooper, who is nursing sore ribs.
James Bater and Dafydd Jones replace Gavin Thomas and Alix Popham respectively in the back row. There is only one change to the backline, where Matthew Watkins comes in for Regan King at outside centre, with the Kiwi dropping to the bench.
Scarlets: Barry Davies; Dafydd James, Matthew Watkins, Gavin Evans, Mark Jones; Stephen Jones, Dwayne Peel; Phil John, Matthew Rees, John Davies, Adam Jones, Scott MacLeod, Simon Easterby (Capt), James Bater, Dafydd Jones
Replacements: Deacon Manu, Ken Owens, Inoke Afeaki, Alix Popham, Liam Davies, Ceiron Thomas, Regan King