ESPN metric guru Bill Connelly used his SP+ algorithm to measure all 39 undefeated teams in FBS. Iowa State is also one of the 39 undefeated FBS teams at 4-0. Iowa State, Houston and BYU are the only remaining undefeated teams on the 2025 Arizona schedule. Arizona is an underdog in the ESPN Football Power Index against Iowa State, BYU and Houston. Among other teams ahead of Arizona in SP+, the Wildcats are favored in the ESPN FPI against Baylor and Kansas.