North Carolina Williams Basketball FILE - In this March 27, 1993, file photo, then-Kansas coach Roy Williams raises his arms in victory after cutting a piece of the net after the NCAA Midwest Regional final in St. Louis. Williams' Jayhawks defeated Indiana 83-77 to advance to the Final Four in New Orleans. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Seth Perlman, File) (SETH PERLMAN)
North Carolina Williams Basketbasll FILE - In this March 30, 1991, file photo, then-Kansas coach Roy Williams, left, and North Carolina coach Dean Smith talk before the start of the first NCAA national semifinal game in Indianapolis. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Bob Jordan, File) (BOB JORDAN)
Roy Williams, Dean Smith and Michael Jordan UNC Coach Roy Williams, left, talks with former Coach Dean Smith and Michael Jordan. (AP File Photo)
North Carolina Williams Basketball FILE - North Carolina basketball coach Roy Williams wipes away tears after giving a speech about his seniors during UNC's annual basketball awards ceremony at the Dean E. Smith Center in Chapel Hill, N.C., in this Tuesday, April 12, 2005, file photo. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Sara D. Davis, File) (SARA D. DAVIS)
North Carolina Williams Basketball FILE - North Carolina head coach Roy Williams celebrates after his team's 89-72 victory over Michigan State in the championship game at the men's NCAA Final Four college basketball tournament in Detroit, in this Tuesday, April 7, 2009, file photo. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Paul Sancya, File) (Paul Sancya)
North Carolina Williams Basketball FILE - North Carolina head coach Roy Williams holds part of the net after an NCAA college basketball game in the championship of the Atlantic Coast Conference tournament against Virginia in Washington, in this Saturday, March 12, 2016, file photo. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Alex Brandon, File) (Alex Brandon)
PHILADELPHIA, PA - MARCH 27: Head coach Roy Williams of the North Carolina Tar Heels celebrate with his team after defeating the Notre Dame Fighting Irish in the 2016 NCAA Men's Basketball Tournament East Regional Final. (Photo by Elsa/Getty Images)
North Carolina Williams asketball FILE - North Carolina head coach Roy Williams reacts during the second half of an NCAA college basketball game against Virginia Tech at the Atlantic Coast Conference tournament in Greensboro, N.C., in this Tuesday, March 10, 2020, file photo. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Ben McKeown, File) (Ben McKeown)
North Carolina Williams Basketball FILE - In this March 7, 2020, file photo, North Carolina coach Roy Williams applauds during the second half of the team's NCAA college basketball game against Duke in Durham, N.C. North Carolina announced Thursday, April 1, 2021, that Hall of Fame basketball coach Roy Williams is retiring after a 33-year career that includes three national championships. (AP Photo/Gerry Broome, File) (Gerry Broome)
NCAA North Carolina Wisconsin Basketball North Carolina head coach Roy Williams directs players during the second half of a first-round game against Wisconsin in the NCAA men's college basketball tournament, Friday, March 19, 2021, at Mackey Arena in West Lafayette, Ind. (AP Photo/Robert Franklin) (Robert Franklin)
Roy Williams shows he's the best March Madness coach of the 2000s Roy Williams waves to fans during the North Carolina title celebration at The Smith Center in Chapel Hill on Tuesday. (Suzie Wolf, USA TODAY Sports)
HOUSTON, TEXAS - APRIL 02: Head coach Roy Williams of the North Carolina Tar Heels reacts in the first half against the Syracuse Orange during the NCAA Men's Final Four Semifinal at NRG Stadium on April 2, 2016 in Houston, Texas. (Photo by Streeter Lecka/Getty Images)
Mark Humphrey/APNorth Carolina head coach Roy Williams is interviewed as his team celebrate after the finals of the Final Four NCAA college basketball tournament against Gonzaga, Monday, April 3, 2017, in Glendale, Ariz. North Carolina won 71-65.