North Carolina Coach Roy Williams reacts to play against Butler in the second half of the Tar Heels' 92-80 win over Butler in a South Regional semifinal game Friday in Memphis, Tenn.

North Carolina guard Joel Berry II loses the ball as Butler center Nate Fowler lies on the court in the second half of an NCAA college basketball tournament South Regional semifinal game Friday in Memphis, Tenn.

North Carolina forward Kennedy Meeks passes the ball against Butler forward Andrew Chrabascz and Butler guard Kamar Baldwin.

North Carolina forward Justin Jackson shoots against Butler forward Kelan Martin.

North Carolina forward Luke Maye passes the ball to fellow forward Justin Jackson.

Baylor forward Johnathan Motley looks to pass against South Carolina forward Chris Silva in the first half of an East Regional semifinal game of the NCAA men's college basketball tournament on Friday in New York.

South Carolina forward Sedee Keita and Baylor forward Terry Maston battle for a rebound.

Baylor guard Ishmail Wainright gets a hand on a shot by South Carolina guard Sindarius Thornwell.

South Carolina players react on the bench after a 3-point shot against Baylor.

UCLA forward TJ Leaf shoots against Kentucky forward Derek Willis in the first half of an NCAA college basketball tournament South Regional semifinal game Friday in Memphis, Tenn.

UCLA center Thomas Welsh and Kentucky forward Edrice Adebayo vise for a loose ball.

UCLA guard Isaac Hamilton moves past Kentucky guard Malik Monk.

UCLA forward TJ Leaf drives on Kentucky forward Edrice Adebayo.

Wisconsin forward Nigel Hayes and guard Zak Showalter pull down a rebound against Florida in the first half of an East Regional semifinal game of the NCAA men's college basketball tournament Friday in New York.

Florida guard Canyon Barry puts up a shot against Wisconsin forward Ethan Happ.

Wisconsin forward Ethan Happ puts up a shot against Florida forward Devin Robinson.

Florida guard KeVaughn Allen drives the ball against Wisconsin guard D'Mitrik Trice.