• No 2 Duke beat visiting UNC 87-70 in grudge match
• Flagg and Knueppel combine for 43 points in rout

Freshmen Cooper Flagg and Kon Knueppel made memorable debuts in the Tobacco Road rivalry as No 2 Duke used a dominant first half to secure an 87-70 win over visiting North Carolina on Saturday night in Durham, North Carolina.

Flagg racked up 21 points, eight rebounds, seven assists and three steals for Duke (19-2, 11-0 in Atlantic Coast Conference play), who extended the longest active winning streak in the country to 15 games. Meanwhile, Knueppel scored 13 of his game-high 22 points in the second half and added five rebounds and five assists.