Only 227 perfect NCAA tournament brackets remain after Kentucky's wild OT win over Santa Clara on Friday Only 687 brackets even made it into the second day of the NCAA tournament unscathed. Content Original Link: https://sports.yahoo.com/mens-college-basketball/article/only-227-perfect-ncaa-tournament-brackets-remain-after-kentuckys-wild-ot-win-over-santa-clara-on-friday-205903094.html