Cooper Flagg scored 23 of his 28 points in the second half as No. 2 Duke rallied past North Carolina State to win 74-64 on Monday night in Durham, N.C. Kon Knueppel's 19 points and Sion James' 13 points also boosted the Blue Devils (18-2, 10-0 Atlantic Coast Conference). Duke, which came back from a 13-point deficit, will take a 14-game winning streak into a Saturday matchup against visiting North Carolina. Duke used a 19-0 run spanning the two halves to surge ahead, with NC State going scoreless for the first six minutes after the break. Dontrez Styles scored 18 points before fouling out with more than four minutes left for NC State (9-11, 2-7).