2 seasons ago: Elite Eight. #1 seed losing to a #3 seed Texas Tech (who lost in the Championship).
3 seasons ago: Sweet 16. #4 seed losing to #9 seed Florida St (who lost in Elite Eight to runners up Michigan)
4 seasons ago: National Championship Game. #1 seed losing to National Champions North Carolina.
5 seasons ago: Sweet 16. #11 seed losing to #10 seed Syracuse (who went to the Final Four).
6 seasons ago: Elite Eight. #2 seed losing to a #1 seed Duke (who went on to win the Championship).