That fourth No. 1 seed, like last year, will come down to the final week of the regular season and conference tournament play.
Here's this morning's bracket update which saw Duke slide back down to the No. 2 line after Duke lost to Virginia Tech. Xavier slides back up to a No. 1.
|Last 4 In: Texas, UCLA, Baylor, Louisville|
First 4 Out: Providence, Syracuse, Boise St., Washington
Next 6 Out: Marquette, Georgia, Nebraska, Penn State, Utah, Notre Dame