NCAA March Madness Down to Sweet 16

The NCAA Men's Basketball Tournament continues, and this year March Madness has truly been mad.

Ohio State barely survived against Iowa State University. Gonzaga, meanwhile, became the first No.-1 seed to lose, at the hands of upstart Wichita State. 

Bay Area teams Cal and St. Mary's both are out, as they lost to Syracuse and Memphis respectively. Next games are March 28 (West and East divisions) and March 29 (Midwest and South).

Full television schedule of 2013 NCAA March Madness.

Most predictions and Las Vegas odds for the 2013 NCAA Tournament champion favor Louisville.

You can track your own predictions using the printable brackets above. And show off your NCAA March Madness bracket here at Patch. Or visit the official NCAA Bracket.

For those unfamiliar with bracketology, USA Today offers tips for those filling out a bracket for the first time and The Huffington Post shares 10 things you should know for the tournament. 

See info on the women's NCAA Tournament bracket

Which upset ruined your bracket? Did you accurately predict any Cinderella stories? Tell us in the comments.