Duke's Tyler Thornton (3) dives into North Carolina coach Roy Williams and the Tar Heels' bench in pursuit of a loose ball in the second half on Saturday, March 9, 2013, at the Smith Center in Chapel Hill, North Carolina. Duke topped the Tar Heels, 69-53.
Credit: Raleigh News & Observer
Head coach Roy Williams of the North Carolina Tar Heels reacts on the bench against the Harvard Crimson during the second round of the 2015 NCAA Men's Basketball Tournament at Jacksonville Veterans Memorial Arena on March 19, 2015 in Jacksonville, Florida.
Credit: Kevin C. Cox
Head coach Roy Williams of the North Carolina Tar Heels directs his team during their game against the Fayetteville State University Broncos at the Dean Smith Center on October 24, 2014 in Chapel Hill, North Carolina.
Credit: Grant Halverson
North Carolina Tar Heels coach Roy Williams shows Dean Smith's famous four corners symbol during a memorial service at the Dean Smith Center on February 22, 2015 in Chapel Hill, North Carolina.