Yeah it will be interesting to see how things play out. I look at the season from the standpoint of whether the units are of B1G caliber or better.
On offense, the OL, RB and TE groups are all either proven or I'm confident Iowa has good enough athletes there to be an above-average B1G position group. WR, no. QB, big ?. It doesn't mean that a good story or 2 won't emerge from the WR group, but Iowa is basically counting on first-year freshmen to come through. That is not a good place to be in. I am cautiously optimistic about what Stanley can do as a QB. But I envision games where the opponent puts 11 guys within 4 yards of the LOS and dares Iowa go over the top. And the Hawks can't do it.
On defense, every position group is full of B1G caliber athletes. Yes, depth is a question at DT. But the depth at DE with Hesse, A. Nelson, M. Nelson, Epenesa, etc. can allow Iowa to easily switch guys inside if needed. At LB, 3 senior returning starters. In the secondary, not having Snyder could hurt and King was a generational player, but Iowa has B1G caliber athletes at every spot, and Parker has proven if he has the raw material he can make things work. Injuries happen to every team, it's just a matter of not having injuries to the key guys. I think the drop-off would be steep between Jewell and whoever his backup would be, and if A. Nelson were to get hurt I would be concerned.
I tend to fall on the more optimistic side. If Iowa can get to 3-0 a very nice season is in store. The new staff on the offense is going to have to help this team out and find a way to scheme some big plays. There are some pieces to work with, just a lot of questions that need to be answered positively.