As we enter what's sure to be a wild weekend of college basketball action, here's a true/false breakdown of some pressing bracketology questions: North Carolina needs to beat Duke

Duke held on to beat North Carolina in a 74-71 win that sends the Blue Devils to the ACC Tournament final and the Tar Heels onto the NCAA bubble.

Xavier and Indiana had chances to give their NCAA Tournament resumes a significant boost. But the Musketeers lost 89-87 to Marquette, and Indiana fell 72-59 to Oregon.

Forward Jae’Lyn Withers moved too early, negating Ven-Allen Lubin’s free-throw attempt and giving Duke the ball back.

North Carolina forward Jae'Lyn Withers committed a lane violation with 4.1 seconds left that negated a tying free throw in the Tar Heels' loss to No. 1 Duke in the ACC Tournament.

North Carolina just blew its shot at the ACC Tournament championship game in perhaps the worst way possible. With just 4.1 seconds left in the semifinal matchup against No. 1 seed Duke on Friday, UNC was called for a lane violation on a potential game-tying free throw.