updated: 7:43 p.m.
CHAPEL HILL – Boston College junior Reggie Jackson’s potentially game-winning 3-pointer came so close to falling Saturday that he believed – half joking, of course -- that North Carolina must have tightened the screws on the rim.
Instead, the 19th-ranked Tar Heels tightened the screws on their defense.
UNC overcame a double-digit comeback attempt by the Eagles, and its worst-ever scoring output in 361 games at the Smith Center , to win 48-46. The Tar Heels prevailed because they held BC to 26.9 percent shooting, dominated the backboards, and got a fortuitous defensive play from 6-feet-10 forward John Henson, who was guarding the 6-3 Jackson’s shot with scant seconds left.