North Carolina 78, Villanova 71: P.J. Hairston scored 23 points and hit five 3-pointers to lead four players in double figures as the Tar Heels topped the Wildcats in the second round of the NCAA Tournament in Kansas City, Mo.

Eighth-seeded North Carolina (25-10) advances to face No. 1 Kansas in the South Regional quarterfinals Sunday. James Michael McAdoo added 17 points for the Tar Heels.

JayVaughn Pinkston scored 20 points for Villanova (20-14), which led by one point early in the second half before the Tar Heels surged ahead. North Carolina held a slender 70-68 lead after the Wildcats' Mouphtaou Yarou scored with 1:43 remaining, but finished with an 8-3 run.

Reggie Bullock scored 15 points and Marcus Paige added 14 points for North Carolina. The Tar Heels shot 49 percent from the field and hit 11 3-pointers.

Darrun Hilliard added 18 points and Yarou scored 17 for the Wildcats. Villanova shot 4-for-21 from 3-point range

GAME NOTEBOOK: North Carolina coach Roy Williams won his 700th career game. … Bullock added three 3-pointers. … Villanova outrebounded the Tar Heels 37-28.