Roy Williams -- one of the greatest college basketball coaches of all time -- is announcing his retirement after 33 season at the college level.
The 70-year-old icon has been the head coach at North Carolina since 2003 -- and won 3 NCAA titles during his 18 seasons with the Tar Heels.
His overall record at UNC is 485-163 -- reaching the Final Four 6 times and capturing 9 ACC regular-season championships.
Williams was inducted into the Naismith Hall of Fame in 2007.
Before UNC, Williams was the head coach at Kansas from 1988 to 2003.