Springboks prop Thomas Du Toit, named within the Premiership Workforce of the Season, begins on the bench for Bathtub with director of rugby Johann van Graan choosing England and British and Irish Lions choice Will Stuart at tight-head.
Captain Ben Spencer and Finn Russell are restored at half-back whereas Max Ojomoh companions Scotland worldwide Cameron Redpath at centre and Will Muir, Joe Cokanasiga and Tom De Glanville make up the again three.
One other Workforce of the Season decide, hooker Tom Dunn, and Beno Obano be part of Stuart within the entrance row with the established duo of Quinn Roux and Charlie Ewels making up the second row and flanker Josh Bayliss amongst six forwards on the bench.
Bristol boss Lam confirmed on Wednesday that Genge – one other Lions choice – and Dun had overcome knocks picked up in coaching whereas Luatua is most well-liked to Argentine worldwide Grondona, who scored twice in Bristol’s victory at Bathtub earlier this season, at blind-side.
Lock Joe Batley, additionally chosen within the Premiership Workforce of the Season, joins Dun within the second row with Fitz Harding main the group from open-side.
The skilled AJ MacGinty begins at fly-half alongside scrum-half Harry Randall whereas South African Bernhard Janse van Rensburg and James Williams are the centre pairing.
Wing Gabriel Ibitoye, the Premiership’s joint prime try-scorer this season with 13, is joined by Fijian flyer Kalaveti Ravouvou and Noah Heward within the again three.