But before the action begins, Selection Sunday will determine each team’s potential path through the tournament. Let’s take a look at this monumental day.

Printable bracket] A basketball fan has roughly a 1 in 120.2 billion chance of filling out a perfect NCAA tournament bracket. Those are about the same odds the NCAA men’s basketball selection committee has to unveil a new bracket without any nitpicking.

"I was not in the room for any of that." Chairman of the NCAA Men's Basketball Selection Committee and UNC athletic director Bubba Cunningham explained the process behind the Tar Heels getting into the tournament. pic.twitter.com/vAD7qu4s3F