Jack Carty will make his second Test start when Ireland face hosts Japan in Saturday’s World Cup battle.
The Connacht fly-half will pilot Ireland’s backline with boss Joe Schmidt to risk Johnny Sexton, who has nursed a small leg issue.
Joey Carbery is inserted again after ankle ligament difficulty and takes a seat.
Carty impressed off the seat in the closing phases of Ireland’s 27-3 win over Scotland in Yokohama, also the playmaker that is eight-cap has the chance to impose his presence.
Goal-kicking responsibilities were ceded by sexton to Conor Murray early in Ireland’s win and was withdrawn following his side try.
The Leinster celebrity didn’t train on Tuesday, also Schmidt has chosen to not take any chances with the 2018 World Player of the Year.
Rob Kearney and Keith Earls return with Ireland producing four changes to their, getting overlooked the Pool A opener against Scotland because of injury.
His wing complaint has shaken off and Earls is currently over his thigh concern.
Even though Bundee Aki also completed all of the head injury tests and returned to complete training, head trainer Schmidt opted not to risk Connacht ram centre. Chris Farrell begins at inside center, together with the Munster man in fettle and shape at Japan.
Jack Conan was due to start in the back-row but picked up an injury in practice which Peter O’Mahony was pushed back into service in flanker.
Munster celebrity O’Mahony failed a Head Injury Assessment (HIA) in Saturday’s win over Scotland, but immediately passed all the necessary checks and returned to full training on Tuesday.
Schmidt has ended up the same pack that dimmed the Scots, using Rory Finest as captain flanked from the front-row Tadhg Furlong and from Cian Healy.
Iain Henderson along with james Ryan will continue their venture that went well in Yokohama as Ireland flexed considerable set-piece muscle from Gregor Townsend’s Scotland.
Ireland: 15 Rob Kearney, 14 Keith Earls, 13 Garry Ringrose, 12 Chris Farrell, 11 Jacob Stockdale, 10 Jack Carty, 9 Conor Murray, 1 Cian Healy, 2 Rory Best (c), 3 Tadhg Furlong, 4 Iain Henderson, 5 James Ryan, 6 Peter O’Mahony, 7 Josh Van der Flier, 8 CJ Stander
Replacements: 16 Sean Cronin, 17 David Kilcoyne, 18 Andrew Porter, 19 Tadgh Beirne, 20 Rhys Ruddock, 21 Luke McGrath, 22 Joey Carbery, 23 Jordan Larmour