Never worry about busted brackets again! Sign up to play SI’s Realtime Bracket game. If your original pick is losing, you can switch it during live tournament games. Game leaderboards track original AND realtime picks.
It's getting to be that time: You have 24 hours left to complete your March Madness bracket. Since the 2019 NCAA tournament field was released, you've likely spent time studying up on expert picks, scientific strategies, historical data and more on the best teams in the country. But there is always one lingering question that consumes every bracket-filler: Which upsets should I choose?