DURHAM, N.C. (AP) – Grayson Allen scored 18 of his 21 points in the second half, and No. 21 Duke beat Pittsburgh 72-64 on Saturday in coach Mike Krzyzewski’s return after a four-week break following back surgery.

Amile Jefferson added 15 points, freshman Jayson Tatum had 12 and Luke Kennard added 10 to help the Blue Devils (18-5, 6-4 Atlantic Coast Conference) win their third straight.

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Michael Young scored 24 points and Jamel Artis added 17 for the Panthers (12-11, 1-9), who have lost eight straight but the ACC’s last-place team gave its preseason favorite fits all game.

Pitt had the ball down 63-59 when Artis missed a 3-pointer in transition with about 1 1/2 minutes left. Allen countered with the shot of the day – a 3 with the shot clock winding down that bounced high off the front iron, then straight through, putting Duke up by seven with 49.7 seconds remaining.

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