Since March Madness expanded to 64 teams in 1985, the only other year that all four top-seeded teams from their respective regions earned Final Four spots was 2008. That year, Kansas won a national title with an overtime victory over Memphis.

The upsets have been few and far between during the NCAA Tournament for men's basketball, which is why we roll into the Elite Eight with all four No. 1 seeds still playing, along with three No. 2s and one No. 3.