Nigel Davies is aware of the challenge ahead as Munster will be looking to regain their winning ways following a defeat to Ulster last weekend.
The Scarlets are looking for a win to keep within the Blues and Dragons' reach within the Magners League table.
Rhys Priestland returns to outside half with Daniel Evans regaining his place at fullback following Stephen Jones' shoulder injury during the New Year's Eve fixture away at Rodney Parade.
Damian Welch comes in for his third start of the season at lock for Lou Reed who moves to the replacements bench.
Scarlets 22 to face Munster
15.Daniel Evans, 14.Lee Williams, 13.Sean Lamont, 12.Jon Davies, 11.Andy Fenby, 10.Rhys Priestland, 9.Martin Roberts, 1,Phil John, 2.Ken Owens, 3.Deacon Manu, 4.Damian Welch, 5.Dominic Day, 6.Rob McCusker, 7.Johnathan Edwards, 8.David Lyons(c)
Replacements: 16.Jamie Corsi, 17.Emyr Phillips, 18.Lou Reed, 19.Richie Pugh, 20.Gareth Davies, 21.Morgan Stoddart, 22.Gareth Maule
Guinness PRO12
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