Llanelli make six changes, and two positional to the side which lost 19-16 to Aberavon last weekend for the clash against Bedford.
Hooker and influential captain Craig Hawkins again misses out due to injury and young Wales Under 20 hooker Rhys Lawrence gets the nod. He will be propped up by brothers Shaun and Aled Hopkins.
No 8 Rob McCusker will captain the team and along with energetic flankers Nic Cudd and Johnathan Edwards will form a formidable backrow.
Young Johnny Lewis in only his third game for the club makes his bow in the competition.
Llanelli 15 Jonny Lewis 14 Nick Reynolds 13 Steve Martin 12 Scott Williams 11 Andy Fenby 10 Dan Newton 9 Tavis Knoyle; 1 Shaun Hopkins 2 Rhys Lawrence 3 Aled Hopkins 4 Adam Powell 5 Aaron Shingler 6 Johnny Edwards 7 Nic Cudd 8 Rob McCusker (capt)
Replacements 16 Ian Jones 17 Luke Lewis 18 Jamie Corsi 19 Nathan White 20 Duane Eager 21 Gareth Davies 22 Steve Shingler
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.