Iowa's offensive line is young, specifically the tackles. Iowa played their back up quarterback. Iowa's entire team is young.
Did you watch gap blocking?
Being close was a function of Iowa's inexperience, and possibly lack of talent upfront more than Minnesota's improvement.
He's a low class, fake con artist, just like Tom Allen and James Franklin. If Kirk Feretnz keeps deftly calling him out, there is fire in that smoke. His recruiting methods are racist.
Wake up people.