Beauden Barrett started the first two games, despite calls for Mo’unga to be included, and was exceptional in both Tests, but the 24-year-old has now been given his opportunity.
Elsewhere, half-back Te Toiroa Tahuriorangi set to make his Test debut off the bench while Nehe Milner-Skudder returns to the Test side for the first time since October last year.
Milner-Skudder was injured in the All Blacks Test in Cape Town in last year’s Rugby Championship and returns on the right wing. As well as Mo’unga and Tahuriorangi, other back changes in the match-day 23 see TJ Perenara named to start at half-back and Ben Smith move back to full-back.
In the forwards, Karl Tu’inukuafe starts at loosehead prop, in for the injured Joe Moody, and Tim Perry comes into the prop reserves. In the second-row, Scott Barrett starts, with Sam Whitelock moving to the bench. Shannon Frizell will make his second Test start at blindside flanker, with Ardie Savea at seven, with Luke Whitelock comes into the loose forward reserves.
All Blacks head coach Steve Hansen said: “While we’ve made a number of changes from our last outing, this is not a reflection on Argentina but rather a desire by us to grow the experience and depth of our squad. Secondary to that, we also know that if we don’t use the whole squad across a long season, we’ll run out of steam later in the year.
“In making these changes, it also needs to be said that the high expectation we place on ourselves remains the same, regardless of who we’ve selected. The All Blacks jersey demands this.”