"Obviously, the more you can get people that complement each other, the better," assistant coach Ian Foster said during the week of the 51-20 win over the Wallabies in Auckland. "Whoever goes in there we have got to make sure that they look at all the skill-sets for the 12."
Conrad Smith will be crucial in easing the way for Fekitoa should he be given the No12 jersey at La Plata a week on Sunday.
The past two tests at the stadium have been comfortable victories for the All Blacks, however, as the Pumas are usually out on their feet by this stage of the competition. That won't be the case against the South Africans at their high citadel a week later.
NZ Squad for Argentina and South Africa
Hookers: D. Coles (Argentina only), N. Harris, K. Mealamu.
Props: W. Crockett, C. Faumuina, B. Franks, O. Franks, J. Moody.
Locks: B. Retallick, J. Thrush, S. Whitelock.
Loose forwards: S. Cane, J. Kaino, S. Luatua, R. McCaw, L. Messam, Kieran Read.
Halfbacks: T. Kerr-Barlow, TJ Perenara, A. Smith.
First five-eighths: A. Cruden, B. Barrett, C. Slade.
Midfielders: R. Crotty (South Africa only), C. Smith, M. Fekitoa.
Outside backs: I. Dagg, C. Jane, C. Piutau, J. Savea, B. Smith.