Which means, in essence, that about the only near certainty is that Titapu Pairama-Lewington and Jessie McGilvary will continue their partnership in midfield.
Up front the keenest competition is for hooker where Richard Puddy and Jamie Hunt have both made a huge impression with their high workrates, particularly in tight defensive situations. Perhaps a toss of the coin will be used to decide this one.
At prop it would surprise if skipper Kurt Simmonds and Wilba Davies were not rewarded for the excellent form they have displayed all season although Jon Fuimaono has hardly put a foot wrong either.
The return to fitness of the experienced Brandon Young means he and Lachie McFadzean are fighting it out to see who will join the always reliable Andrew McLean in the middle row and Tom Fleming could also be a contender if he is not required to slot in at No 8 as he did so ably against West Coast in Greymouth last weekend.
With injured pair James Goodger and Johnnie McFadzean not available, regular back rower Jim Tikoisuva may again switch to the blindside flank with Fleming replacing him in the back row.
The Bruce Steel Cup, held by Wanganui, will be up for grabs.