Both are recalled after touring South Africa with the British and Irish Lions in the summer, while lock Rob Harley makes his first start of the season. No.8 Jack Dempsey, centre Sam Johnson, winger Kyle Steyn and full-back Ross Thompson are also brought back.

Meanwhile, four-time European champions Leinster have named Caelan Doris, Dan Leavy and Jack Conan in the back row, with captain Luke McGrath forming a halfback pairing with Ross Byrne.

The other United Rugby Championship match-up on Friday has Heineken Champions Cup outfit Scarlets hosting EPCR Challenge Cup team Benetton Rugby at Parc y Scarlets. Flanker Aaron Shingler will make his 200th appearance for the Welsh region.

Friday’s Gallagher Premiership action sees another Heineken Champions Cup side welcome EPCR Challenge Cup opponents, with Northampton Saints entertaining Worcester Warriors.

Fly-half Dan Biggar is in line for his 50th appearance for Saints, while South African winger Courtnall Skosan is set for his debut.

Scrum-half Ali Price and prop Zander Fagerson return to the Glasgow Warriors starting XV for their United Rugby Championship clash against fellow Heineken Champions Cup side Leinster Rugby at Scotstoun Stadium on Friday night.