With a No. 1 gone, NCAA tourney heats up

A wild day of action on Saturday determined half of this year's Sweet 16 teams. On Sunday, eight other schools will punch their ticket for the second weekend of the NCAA Tournament. View our entire Bracket Madness kit

President Obama makes his picks for the 2013 NCAA men's basketball tournament. He has Louisville, Ohio State, Florida, and Indiana headed to the Final Four.

The second day of the third round gets underway on Sunday as 16 teams are playing for a spot in the Sweet 16 of the 2013 NCAA Tournament.

President Obama makes his picks for the 2013 NCAA men's basketball tournament. He has Louisville, Ohio State, Florida, and Indiana headed to the Final Four.

Louisville is the nominal favorite to win the tournament despite its tough draw, according to the FiveThirtyEight forecast. Still, it has only a 23 percent chance of doing so, just ahead of Indiana at 20 percent.