The Scarlets have made a total of six changes, plus three positional, from the side that lost at Newcastle for their opening clash in the Heineken Cup against London Irish on Friday (ko 8pm)...
Stephen Jones returns to flyhalf with Ceiron Thomas moving back to full-back while Regan King moves to outside centre to allow Gavin Evans to return to inside centre, with Matthew Watkins making way.
There are four changes in the pack with Iestyn Thomas coming in for Phil John at loosehead and Craig Dunlea replaces Deacon Manu on the tighthead.
In the backrow Gavin Thomas replaces James Bater which forces captain Simon Easterby back to the blindside while in the second row Vernon Cooper comes in for Adam Jones.
Scarlets (v London Irish): 15 Ceiron Thomas 14 Dafydd James 13 Regan King 12 Gavin Evans 11 Mark Jones 10 Stephen Jones 9 Dwayne Peel; 1 Iestyn Thomas 2 Matthew Rees 3 Craig Dunlea 4 Vernon Cooper 5 Inoke Afeaki 6 Simon Easterby ( capt) 7 Gavin Thomas 8 Alix Popham.
Replacements: Aled Gravelle, Deacon Manu, Adam Jones, Nathan Thomas, Clive Stuart-Smith, Darren Daniel, Barry Davies
The last five years have been an emotional rollercoaster on and off the pitch for RGC1404. Promotion to the Principality Premiership was the culmination of five years of hard work and investment in North Wales. WRU TV caught up with prop Joe Simpson, who was one of the first intake of WRU North Wales Academy players in 2010.
Ebbw Vale captain Damien Hudd picked up the biggest accolade of the night at the 11th Principality Premiership Awards Evening held at Principality Stadium, after leading his side to the title for the first time.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s