While Sam Whitelock suffers from delayed concussion symptoms, Scott Barrett moves from blindside flanker to lock as Blues skipper Dalton Papalii takes the start in the six jersey.
The backline of the first test win at Eden Park remains unchanged.
There is potential for two debuts from the bench with Highlanders halfback Folau Fakatava and Chiefs prop Aidan Ross named in the match roster for the first time. Will Jordan also takes the bench for Braydon Ennor.
Head coach Ian Foster says this full house game in Dunedin is another huge test for the All Blacks, plus clearly a chance to seal the series.
“While I was delighted with how we performed and the leadership shown in the first Test match, we will really need to improve and improve in some key areas. We know the Irish will throw everything at us this week to keep the series alive. to keep.
“We’ve had challenges again this week, but we feel that this team has laid a foundation to build on and is desperate to improve against a very determined Irish squad.”
The All Blacks have won 40 of the 46 exhibition games in Dunedin, with five defeats and one draw.
All blacks: George Bower, Codie Taylor, Ofa Tuungafasi, Brodie Retallick, Scott Barrett, Dalton Papalii, Sam Cane, Ardie Savea, Aaron Smith, Beauden Barrett, Leicester Fainga’anuku, Quinn Tupaea, Rieko Ioane, Sevu Reece, Jordie Barrett.
Reserves: Samisoni Taukei’aho, Aidan Ross*, Angus Ta’avao, Patrick Tuipulotu, Pita Gus Sowakula, Folau Fakatava*, Richie Mo’unga, Will Jordan.