Glamorgan Wanderers make one change in the backs and two up front for trip to Sardis Road.
Jason Pocock, after missing the Cross Keys victory, returns to the wing. It will be his first return to Pontypridd after transferring back to the Wanderers from Ponty in the summer.
In the pack Rhys Gill comes in for Nathan Trevett and Gareth Knight gets his first start of the season in the second row to partner Tom Evans.
Coach Richard Hodges also introduces Luke Fear and Andrew Cawley to the bench for the first time this season while Gareth Morris takes over the captaincy.
Glamorgan Wanderers: 15. James Loxton, 14. Steve Cullen, 13. Robin Lock, 12. Gareth Morris (capt), 11. Jason Pocock, 10. Scott Sneddon, 9. Luke Evans.
1. Rhys Gill, 2. Ryan Price, 3. Scott Andrews, 4. Gareth Knight, 5. Tom Evans, 6. Nio Aiono, 7. Lee Highgate, 8. Alistair McDonald.
Replacements: 16. Mark Sheppard, 17. Nathan Trevett, 18. Richard Thomas, 19. Mike Grimes, 20. Luke Fear, 21. Andrew Cawley, 22. Mark Roper.
GB7s women left their England base to train in Wales this week. Olympic Games hopeful Rachael Burford gives WRU TV's Graeme Gillespie her thoughts on Welsh teammate Jasmine Joyce - a 'one touch wonder'
The GB7s women's squad is currently training at Wales' Centre of Excellence where assistant coach Richie Pugh tells WRU TV's Graeme Gillespie some 'tough calls' will have to be made when it comes to finalising the 12 spots for Rio's Olympic Games.
Wales U20's Billy McBryde is looking forward to starting his first game against New Zealand this afternoon in the World Rugby U20 Championship where his side are looking to gain revenge from last week's pool defeat to the Kiwis.