I don't know how anyone can make sense of betting lines. They are dependent on somehow trying to estimate the irrationality of the betting public.
Clearly, there isn't a rational argument for Iowa being favored on the road after 3 consecutive poor performances with no obvious improvement anticipated, such as the return from injury of a key player. minny's offensive ground game performance vs. Iowa's lack of run defense alone should be enough to show there is no way Iowa should be favored.
They know. It's Vegas.The boys in Vegas haven't yet realized we are a pretender this year. They will figure it out quick.