Johnny Sexton gets the chance to prove that his World Cup gym as he’ll begin at fly-half in Ireland’s clash.
The British and Irish Lions playmaker has battled leg and thumb injuries overlooking Ireland’s three World Cup warm-up fixtures so far.
Activity has not been tasted by the 34-year-old because Ireland’s 25-7 loss to Wales in the Six Nations in March which sealed the Grand Slam to the side of Warren Gatland.
Sexton will be back in harness with his Lions half-back partner Conor Murray for the final World Cup warm-up of Ireland, using their Pool A opener against Scotland fast approaching on September 22.
Robbie Henshaw creates his first start of the warm-up effort, slotting in at outside centre to partner his old Connacht team-mate Bundee Aki in a pairing that is strong.
Jack Conan has another chance and is pushing hard for a starting berth against Scotland.
Assistant trainer Andy Farrell insisted Murray Sexton and Henshaw are fully fit and ready to begin cracking.
“Raring to go, they’ve been held back for at least a week or two and can not wait for going that weekend.
“We are after a functionality we are proud of, along with it being Rory Best and Joe Schmidt’s last games in the Aviva. But we’ve also got to take the perfect mental attitude moving ahead into Japan.”
Ireland: 15 Rob Kearney, 14 Jordan Larmour, 13 Robbie Henshaw, 12 Bundee Aki, 11 Keith Earls, 10 Jonathan Sexton, 9 Conor Murray, 1 Cian Healy, 2 Rory Best (c), 3 Tadhg Furlong, 4 James Ryan, 5 Jean Kleyn, 6 CJ Stander, 7 Josh van der Flier, 8 Jack Conan
Replacements: 16 Sean Cronin, 17 Dave Kilcoyne, 18 Andrew Porter, 19 Iain Henderson, 20 Rhys Ruddock, 21 Luke McGrath, 22 Jack Carty, 23 Garry Ringrose