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They hounded the nation's leading scorer, senior guard
Green, who averages 25.5 points, finished with 16 on 7-for-21 shooting while being defended mostly by
Green missed a jumper that would have won it in regulation and was held to fewer than 20 points for just the second time this season.
McAdoo put North Carolina ahead to stay with a jumper that made it 59-57 with 3:45 left in overtime. Redshirt freshman
He entered 8-for-39 in the past five games but was 6-for-14 in this one while hitting four of his team's five 3-pointers.
His open 3 from the left wing with 3 minutes left in OT made it 62-58, and he followed that with a jumper from the baseline that made it a six-point game. His three free throws in the final 1:36 helped ice it.
Van Zegeren -- a 46 percent free-throw shooter -- tied it at 55 with two foul shots with 45.8 seconds left, and the Hokies got the ball back when Paige threw the ball away with about 30 seconds left.
Green milked the clock before his pull-up jumper from the wing over Bullock didn't hit anything, and North Carolina rebounded with 1.9 seconds left.
North Carolina trailed by eight twice in the second half, but clawed back with a McAdoo-led 19-9 run to take its first lead.
Bullock, who missed his first five 3-pointers, swished an open 3 to make it 42-all with just over 13 minutes left.
The Tar Heels played without injured swingman