DURHAM, N.C., Sporting Alert — Grayson Allen scored all 21 of his points in the first half and No. 6 Duke rout Appalachian State 93-58 at Cameron Indoor Stadium on Saturday. Box Score | Team Stats | Videos
Allen shot 6 of 9 from the floor and hit four three pointers along with making all five of his free throws in a dominant first half individual performance for Duke, which had all five starters scoring in double figures.
The preseason All-American guard, who also grabbed four rebounds, was forced to leave the game early in the second half with what looked like an ankle problem.
Injured freshmen Harry Giles, Jayson Tatum and Marques Bolden participated in warmups for the second straight game, and were even more active on Saturday.
However, coach Mike Krzyzewski opted to keep them out again.
Freshman Frank Jackson had 15 points and Amile Jefferson finished with 15 points, six rebounds, five assists and two steals for the Blue Devils (6-1), who won four in a row.
Sophomore guard Luke Kennard, who leads the team in scoring this season, finished with 18 points, although he was he was just 4 of 15 from the field.
Kennard made 9 of 10 free throws, while grabbing nine rebounds for Duke, which shot 48.5 percent as a team.
Kelvin Robinson scored 12 points to lead Appalachian State, with Griffin Kinney adding 11 in the defeat for the Mountaineers (2-3), who struggled in the second half.
The visitors shot 5 for 9 from 3-point range in the first half, but finished 9 for 24 from long range overall.
After dominating the first period, Duke opened the second half with a 12-0 run to race out to a 67-34 before Appalachian State stopped play with a timeout with 17:47 left.
But although they scored immediately after coming out of the team talk, the Mountaineers were unable to put it together offensively in the second half.
The Blue Devils, who were 13 for 13 from the charity strip in the first half, led 55-34 at halftime.
Next up for Duke is a date with visit No. 24 Michigan State on Tuesday night in the ACC/Big Ten Challenge