The Big East, Big Ten and ACC are each sending seven teams to the Big Dance, while the Big 12 and Pac-10 have six teams headed to the tourney.
This year's tournament starts Tuesday with the opening-round game in Dayton, Ohio, between Morehead State and Alabama State. The winner of that game will then take on overall number-one seed Louisville in the tournament's first round.
Today is prime time for filling out tournament brackets. You can do it here on bigcountryhomepage.com for a chance to win $1 million. You could do that if you pick all of the games correctly. You could win $10,000 if you only miss one or two games. And, you could win $1,000 if you only miss three games.