By: Matt Bowers Courtesy GoHeels.com CHAPEL HILL, N.C.—Harrison Ingram and Armando Bacot both posted double-doubles as third-ranked North Carolina topped seventh-ranked Duke, 93-84, on Saturday night at the Smith Center. Bacot had 25 points, 10 rebounds and five assists, becoming the first Tar Heel to compile those numbers against Duke since Hall-of-Famer Charlie Scott in 1970. The 25 points tied his season high set in the season opener against Radford. Bacot has scored in double figures in all 10 of his career games against Duke with four consecutive double-doubles. Ingram had 21 points, his …