what is the highest seed to play in ncaa championship
NCAA Division I Men's Basketball Tournament It has happened only once that all four No. 1 seeds made it to the Final Four:
2017 NCAA Division I Men's Basketball Tournament In the Final Four, North Carolina beat Oregon (making their first Final Four appearance since 1939)[1] while Gonzaga defeated South Carolina (both making their first ever Final Four appearance).[2] North Carolina then defeated Gonzaga 71–65 to win the national championship.[3]