In game adjustments, by in large, are wildly overrated. Exactly why Bob Knight preached preparation to the extent he did.
There's a deep option essentially every play.. the fact Iowa sat with 2 safeties deep and a relentless pass rush all game... is the reason we didn't take anymore downfield shots than we did.
I'm way more worried about our Jimmies and our Joe's than I am our Xs and Os.