Concussion has impacted the Highlanders side to host the Crusaders in Dunedin on Saturday night.
Midfielder Thomas Umaga-Jenson and lock Pari Pari Parkinson have both been ruled out following head knocks.
They've been replaced by Tei Walden and Jack Whetton respectively.
Shannon Frizzell is on the blindside for Jackson Hemopo, while Waisake Naholo returns on the right wing.
Highlanders: 15 Ben Smith (cc), 14 Waisake Naholo, 13 Sio Tomkinson, 12 Teihorangi Walden, 11 Richard Buckman, 10 Josh Ioane, 9 Aaron Smith, 8 Luke Whitelock (cc), 7 James Lentjes, 6 Shannon Frizell, 5 Jack Whetton, 4 Josh Dickson, 3 Tyrel Lomax, 2 Liam Coltman, 1 Ayden Johnstone.
Reserves: 16 Ash Dixon, 17 Daniel Lienert-Brown, 18 Siate Tokolahi, 19 Tom Franklin, 20 Elliot Dixon, 21 Dillon Hunt, 22 Folau Fakatava, 23 Marty Banks.