March Madness 2015: Welcome to a Different Kind of Bracket

An estimated 40 million people will fill out brackets predicting the winner of the NCAA Men's College Basketball Tournament. Having the most accurate predictions can result in big money, so you want to be on your game.

The NCAA Tournament bracket has been unveiled, and 68 teams are ready to vie for a national championship, starting with the First Four in Dayton on Tuesday. With no games on the slate for Monday, there's plenty of time to pick your sleepers

The top three teams in the league — Kentucky, Arkansas and Georgia — are playing for NCAA Tournament positioning, but after that, there are some teams with work left to do. LSU and Texas A&M are both on the bubble and 

Sixty-eight teams will begin the NCAA Tournament this week, all hoping to be the last one standing on April 6 at Lucas Oil Stadium in Indianapolis. But you can't win it all without winning one, so here is quick look at the matchups set on Selection

President Barack Obama fills out his 2014 NCAA Division I Men's Basketball Tournament bracket during an ESPN interview with Andy Katz in the Map Room of the White House, March 18, 2014. (Official White House Photo by