Cooper Flagg scored 27 points as No. 3 Duke bounced back from a loss with authority, beating visiting California 78-57 on Wednesday night in Durham, N.C.Flagg shot 8-of-14 from the floor and filled up the box score with five rebounds, three assists and three steals for the Blue Devils (21-3, 13-1 Atlantic Coast Conference). The touted freshman also shot a perfect 9-of-9 from the free throw line as Duke recovered from its 77-71 setback at Clemson on Saturday.Khaman Maluach chipped in 10 points and 12 rebounds for his fourth double-double of the season for the Blue Devils, while Tyrese Proctor scored 18 points.Jeremiah Wilkinson powered the Golden Bears (12-13, 5-9) with 21 points. Andrej Stojakovic scored 10 points and Rytis Petraitis had 11 points and six boards. Cal took its fourth loss in five games.The hosts built a double-digit lead less than nine minutes into the game, getting back-to-back 3-pointers from Proctor and Mason Gillis to go up 19-9 at the 11:44 mark.In the second half, Duke used a 13-3 run to stretch the lead to 26, its largest of the game. Flagg punctuated the surge by stealing the ball from Joshua Ola-Joseph and going coast-to-coast for a reverse two-handed jam that made it 58-32.