Hunter #56, Yei made his debut off the bench last weekend, but was given the nod by coach, Michael Marum to be given a run in the first 13, in place of the injured Enock Maki.
Maki was injured in last weekend's win.
Ila Alu has been named on the bench and will become Hunter #59 if he takes the field on Saturday.
Brendon Gotuno, Muka Peter Kulu and Stargroth Amean have also been named on the extended bench.
The 20-man squad is: (two to be omitted)
1. Adex WERA
2. Wawa PAUL
3. Nixon PUT