Duke, Florida, Houston and Auburn are headed to San Antonio as the Final Four will be comprised of four No. 1 seeds for just the second time in NCAA Tournament history. Whether you're sticking it out in your office pool or need clean brackets for the next round and into the Final Four,

With the bracket officially set, March Madness can finally begin. The field of 68 was determined by the selection committee on Sunday, and while some of its choices invited controversy, the show must go on.

NCAA Tournament game schedule, announcers, TV channels, times for first-round March Madness men's basketball games on CBS, TNT, TBS, TruTV this week.