Perry-Murray tied his career high with 13 points, on 5-of-5 shooting, and grabbed 10 rebounds. Ivy Smith Jr. made 8 of 10 free throws and finished with 15 points and Shirmane Thomas scored 13 for Grambling (5-12, 1/3 Southwestern Athletic Conference).
Thomas hit a jumper that gave the Tigers the lead for good, 58-57, and sparked a 16-4 run over the final seven minutes, 55 seconds. Dante Sterling made a 3-pointer that gave Alcorn State (4-13, 0-4) a 54-52 lead midway through the second half, but the Braves went 1 for 6 from the field and 6 for 10 from the free-throw line with five turnovers from there.
Sterling led Alcorn State with 14 points and Yalen Reed scored 12.
Grambling made just 24 of 60 from the field, including 3 of 12 from 3-point range, but grabbed a season-high 20 offensive rebounds and outscored the Braves 21-10 from the free-throw line.
Mike Krzyzewski switched to zone last season to mask his young team's defensive frailties. Will we see that again in 2018-19?
The cream of the crop of American high school basketball will congregate in Colorado Springs from Oct. 5-7, as USA Basketball unveils its newly expanded Junior National Team minicamp in collaboration with the NBA, NCAA and NBPA.
Missouri guard Cullen VanLeer is retiring from basketball after tearing his ACL in the Tigers' final regular-season game last season.