Nebraska fans at Memorial Stadium in Lincoln, Neb., take cover from the rain prior to the cancellation of the annual Red-White college football Game, Saturday, April 14, 2012. Nebraska has canceled its spring football game because of heavy rain, hail and sharp lightning which began moving through the area about 90 minutes before the scheduled kickoff Saturday. (AP Photo/Nati Harnik)

Photo by: Nati Harnik

Nebraska fans at Memorial Stadium in Lincoln, Neb., take cover from the rain prior to the cancellation of the annual Red-White college football Game, Saturday, April 14, 2012. Nebraska has canceled its spring football game because of heavy rain, hail and sharp lightning which began moving through the area about 90 minutes before the scheduled kickoff Saturday. (AP Photo/Nati Harnik)