Glamorgan Wanderers coach Richard Hodges must wait on some late fitness tests before confirming his pack selection for the trip to Bedwas in the Principality Premiership.
Alistair McDonald and Gareth Knight have been added to the squad and Hodges will delay the final line-up until just before kickoff.
In the backs Charlie Johnson resumes his place at outside centre with Matt Trowbridge moving out to the wing. Gareth Morris, fully recovered from a shoulder injury, returns to the squad after coming through a development squad game last weekend.
Glamorgan Wanderers: 15. Dan Fish 14. Matt Trowbridge 13. Charlie Johnson 12. Simon Rosser 11. Steve Cullen 10. Scott Sneddon 9 Lloyd Williams; 1. Nathan Trevett 2. Ieuan Dobbs 3. Scott Andrews (capt) 4-8 from: Tom Evans, Gareth Knight, Lee HighgateMazin Al-Azzawi, Ben Rose, Carl Kimber, Alistair McDonald.
Replacements: 16. Ieuan Davies 17. Mark O'Leary 18. John Barley 19. James Richards 20. Gareth Morris 21. Harry Trelawny 22. Robin Lock
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.