Through the 2008 season, two.
They defeated Pittsburg State to win the Division II championship in 2004 and Northwest Missouri State to win in 2007.
3 NCAA Div I-AA National Championships - Back to Back to Back - 2005-2006-2007
The Florida Gators have 3 National Championships.
21 national championships. 1925,1926,1930,1934,1936,1937,1941,1945,1961,1962,1964, 1965,1966,1973,1974,1975,1977,1978,1979,1992 and 2009.
The University of Alabama has eight national championships.
Penn State- 9 Championships
they have 18 national championships most in ncaa
Ohio State has won 7 National Championships in football