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
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.