The most recent team to win a championship and not return to the tournament was last year's champions, the UNC Tar Heels. UNC won the national championship over MSU last year. This year UNC did not make the NCAA March Madness tournament everyone knows and loves but did make it into the NIT tournament.
Princeton hasn't won a game in the NCAA tournament since 1998 when they beat UNLV in the first round, 69-57.
1962
Georgia Tech has never won the NCAA Tournament. They were second in 2004 and made it to the Final Four in 1990.
Michigan State did not make the NCAA tournament in 1980 after winning the championship in 1979. Florida did not make the NCAA tournament in 2008 after winning the 2007 championship. North Carolina won the NCAA tournament in 2009 and will not make the tournament in 2010.
they have won 7
There was no 1933 NCAA Tournament. The first NCAA Tournament was in 1939 with Oregon beating Ohio State in the Finals.
Duke
Kansas
Michigan was a #3 seed when they won the NCAA Men's Basketball Tournament in 1989.
Kentucky
Pittsburgh has never won the NCAA men's tournament