Glamorgan Wanderers travel to the Gnoll for the second time in a month on Saturday
"We expect a backlash after putting them out of the cup but we need our heads to rule our hearts and blank out all the off the field nonsense," commented coach Richard Hodges on the challenge ahead.
"Currently top of the Principality Premiership, Neath will be concentrating on winning back the league title now after their exit from the cup."
The Wanderers will be looking to bounce back after the home defeat to Cross Keys with Dan Fish, Josh Navidi and Ieuan Davies involved with the Wales Under 20s Hodges shuffles his squad again.
Owen Marshall starts at 15 and Harry Trelawny returns as captain at scrum half in a back division that shows two changes from the side that beat Neath. In the pack a late decision will be made in the front row but Jim Richards returns at hooker on a ground that has many memories for him.
Lee Highgate, Ben Rose and Mazin Al-Azzawi continue in the back row and Mark O'Leary returns after intense physio treatment on his shoulder injury.
Glamorgan Wanderers 15. Owen Marshall 14. Steve Cullen 13. Simon Rosser 12. Charlie Johnson 11. Rory Budina 10. Scott Sneddon 9. Harry Trelawny; 1. Mark O'Leary 2. James Richards 3. Danny Douthwaite/ Ryan Beddows 4. Gareth Knight 5. John Barley 6. Lee Highgate 7. Ben Rose 8. Mazin Al-Azzawi
Replacements: 16. Ieuan Dobbs 17. Ryan Beddows / Danny Douthwaite 18. Richard Thomas 19. A.N.Other 20. Ross Wardle 22. Rhys Dyer 24. Ryan Healey
Wales reached their first semi-final since 2013 in the opening round of this season's HSBC World Rugby Sevens Series in Dubai. WRU TV's Graeme Gillespie recaps on what proved to be an eventful tournament
Wales and Ospreys back row James King, who came through the North Wales age grade system, nominated North Wales Regional Community Rugby Manager Marc Roberts, in the WRU's 'Diolch' initiative where squad players thanked those who played a part in their rise to the top.
Beating Merthyr has boosted Carmarthen Quins hopes of reaching a top eight spot in the Principality Premiership. Quins captain Haydn Pugh is delighted with his team's progress and is determined that everyone from the Under 6s through to the senior team, enjoys the ride.
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