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
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.