mediocrity - specifically cited from the Neb AD, Steve Pederson.
Nebraska's athletic director, Steve Pederson, said yesterday that he fired Coach Frank Solich after a 9-3 season and a six-year record of 58-19 because he felt the Cornhuskers were slipping into mediocrity.
http://www.nytimes.com/2003/12/01/sports/college-football-nebraska-explains-the-firing-of-solich.html
But, I guess you probably think that is fake news.