Cooper Flagg scored 14 of his 24 points in the first half as No. 4 Duke took care of business in an 88-65 victory against Virginia Tech on Tuesday at Durham, N.C. Tyrese Proctor and Kon Knueppel each had 13 points, Isaiah Evans notched 12 points and Sion James and Mason Gillis finished with 10 points apiece as the Blue Devils (11-2, 3-0 Atlantic Coast Conference) won their seventh game in a row. James also collected 11 rebounds. Duke had flashes of dominance during its ACC home opener, especially during a big second half. Tobi Lawal had 19 points, with 15 in the second half, for Virginia Tech (5-8, 0-2), which has lost two games in a row.