Arizona St. has not played two Opponents like Iowa has.
ASU opens with NAu, granted these are two in state teams but they have not played in over 30 years. There is no in state rivalry like an Idaho - Idaho St. game or a Georgia - Geo. Southern game.
Nau is solid this year, but in the first game NAu started a true freshman at QB, RT and FS. The O-line had a combined 35 starts. Still NAU outgained ASU in total Offense, if not for an interception returned for a 97 TD right before halftime, both teams would have went into the locker room tied. Against a weak Utah St. team ASU did not look like the 16th team in the nation.
Iowa on the other hand has put away a solid team in Iowa St. ( atraditionally heated rivalry) and a tough Miami(Ohio) team. One of my top three bets last Sat was Iowa - 4. I will be on this line, but I will probably wait for the public to bring it down a little. I will probably be able to get Iowa -8 or even better -7.
No matter what Iowa is a dominate team .....line will move...ASU is overhyped and people are going to hit this line hard.