iowa hawkeyes
I believe Pitt and Ole Miss have never won a national championship. Update: Ole Miss actually has won a national championship in Tennis but not football.
In 1990 Georgia Tech and Colorado shared the national championship.
80
USC
The teams over the years that played for football National Championships in college?
Since football championship games have been played in the NCAA (1992-1994 Bowl Coalition, 1995-1997 Bowl Alliance, 1998-present BCS) two teams from the same conference have never met for the national championship.
yes
Virginia Tech and Florida State
bear Bryant
116 national championships since 1895 in football. However most teams don't count their national championship pre ww2!
Nick Saban, LSU and Alabama