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
Twelve young people have been selected to follow a one year WRU Coach Core apprenticeship programme. Coach Core was set up by the Royal Foundation of the Duke and Duchess of Cambridge and Prince Harry as part of the Olympics legacy in 2012 and the Duke of Cambridge was on hand to meet the apprentices on their first day in the job. The programme has been funded by the Hunter Foundation.
The WRU has launched a campaign to create a long term legacy for Welsh club rugby by highlighting the advantages of volunteering. Rhian Edwards, a volunteer at Seven Sisters, has enjoyed many benefits of her volunteering at a grassroots rugby club including being part of the Rugby World Cup volunteer workforce after being nominated by the WRU - and the WRU is asking for more people to develop their 'Welsh rugby roots'.
Wales head coach Warren Gatland and captain Sam Warburton say their first prioirty on Sunday in the opening game of the World Cup is to win against Uruguay and not get overly concerned with points difference.
With only days to go until the biggest rugby competition in the world begins, rugby fans visiting Cardiff this autumn will be able to enjoy a special display at National Museum Cardiff as part of the celebrations surrounding the Rugby World Cup.