I think the kid dropping the ball one yard before the goal line in a huge game is pretty bad, but giving up 51 unanswered points to Minn and challenging a call made with one minute left in a blowout is embarrassing.
http://www.cornnation.com/2014/11/1...k-ferentz-michigan-special-teams-northwestern
http://www.cornnation.com/2014/11/1...k-ferentz-michigan-special-teams-northwestern