Atlantic Coast Conference Tournament Championship: No. 1 North Carolina played yet another physical, energy-filled battle with No. 3 Clemson and beat the Tigers 86-81 to sweep the season series and win the ACC championship. Sophomore guard Wayne Ellington was 10-of-13 from the field for 24 points to lead the Tar Heels. Junior forward Tyler Hansbrough added 18 points and 11 rebounds. Clemson hit nine three-pointers to stay close. [3/16/08]