Robin McBryde has been forced to miss this weekends clash against Edinburgh after injuring his ankle at home.
Marcus Thomas will start instead of the injured McBryde, whilst Phil John steps up onto the replacement bench.
Although Phil John plays prop for Llanelli he has played at number two before, and with Aled Gravell (broken wrist) and Adam Yelland (Torn ankle ligaments) ruled out it leaves Llanelli with no other option apart from John.
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.