I didn't have a problem with them calling it a fumble. I asked Deacon after the game if he felt his arm was going forward. He said he didn't know. But he did say he heard multiple whistles blowing the play dead and that stopped guys from going for the ball. Heck, the Michigan guy nonchalantly picked it up and handed to the official instead of running it in. That was the problem.
And if they gave Iowa the ball back there, it would have been punting if there wasn't a turnover on the next play. The Hawkeyes were down 10-0 at that point. A comeback wasn't happening with this offense.