Richard Hodges is taking no chances with the cup challenge of Carmarthen Athletic by packing the side with his most experienced players.
Mark Roper starts at outside half with Jason Pocock coming in at fullback.
In the pack Matthew Bolton starts at prop, Nick Kelly resumes as captain in the second row and Richard Thomas and Mike Grimes both start.
The one survivor of the last time the two sides met is Mark O'Leary who is amongst the substitutes. The game also sees the return to the side of Lee Highgate who starts after an enforced layoff.
Glamorgan Wanderers: 15. Jason Pocock 14. Robin Lock 13. Ben Warbuton 12. James Thomas 11. Charlie Johnson 10. Mark Roper 9. Luke Evans; 1. Matthew Bolton 2. Ross Johnson 3. Scott Andrews 4. Nick Kelly (capt) 5. Tom Evans 6. Richard Thomas 7. Lee Highgate 8. Mike Grimes.
Replacements: 16. Richard Emms 17. Mark O'Leary 18. Ben Rose 19. Gareth Knight 20. Glenn Holloway 21. James Loxton 22. Steve Cullen
Ebbw Vale captain Damien Hudd picked up the biggest accolade of the night at the 11th Principality Premiership Awards Evening held at Principality Stadium, after leading his side to the title for the first time.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s
Alongside Scarlets flanker James Davies and Cardiff Blues centre Cory Allen, three Wales Sevens core players have made the extended training squad for GB Sevens. Wales Head coach Gareth Williams tells WRU TV's Graeme Gillespie why Luke Treharne, Sam Cross and Luke Morgan earned selection in the initial training squad for Rio.
Wales Sevens head coach Gareth Williams tells WRU TV's Graeme Gillespie he has had to overcome a number of injuries before naming a competitive squad for this weekend's penultimate round of the World Series in Paris.