NCAA.com | March 31, 2016 Pick your Final Four here Share Who do you think will win the national championship? Pick your #mychamp Final Four here. Related: March Madness home | Bracket | Bracket Challenge Game | Tournament Run College basketball rankings: Even unranked teams find success in the NCAA tournament Since the NCAA tournament expanded to 64 teams in 1985 — its modern format — only four of 35 national champions were unranked to start the season. That’s about one in every nine years. READ MORE Only .025 percent predicted the 2021 Final Four teams in the Bracket Challenge Game UCLA's upset of No. 1 Michigan in the Elite Eight turned what could have been a record-high number of perfect picks into a tiny number that went 4-for-4. READ MORE A huge majority of NCAA brackets have a No. 1 seed winning the 2021 championship Here is how many brackets predicted each seed to win the national championship, from Gonzaga and the No. 1 seeds through Drexel and the rest of the No. 16 seeds. READ MORE