The Wanderers hope to overturn cup defeat blues by upsetting title chasing Newport at Rodney Parade tomorrow.
Chris Ower makes minimal changes to the side that was defeated at Parc y Scarlets last Saturday.
There is a change at hooker and Alex Luff gets a start instead of Gareth Knight in the second row. In the backs Simon Rosser retains the captaincy despite the reappearance of Ben Rose in the starting line-up and young up and coming winger Ryan Healey retains his place on the wing.
Charlie Johnson, making a welcome return, regains a place in the squad.
Glamorgan Wanderers 15. Jason Pocock 14. Robin Lock 13. Simon Rosser (capt) 12. Gareth Morris 11. Ryan Healey 10. Scott Sneddon 9. Luke Evans; 1. Nathan Trevett 2. Richard Emms 3. Mark O'Leary 4. Alex Luff 5. Tom Evans 6. Nio Aiono 7. Ben Rose 8. Mike Grimes
Replacements:16. Ryan Price 17. Ryan Beddows 18. Gareth Knight 19. Lee Highgate 20. Charlie Johnson 21. Glenn Holloway 22. Mark Roper
When the Wales squad were asked to nominate individuals who played a big part in their early playing days, Wales and Dragons full back and wing Hallam Amos thought of his former Monmouth School rugby coach John Bevan.
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series