Mark Gary added 15 points and grabbed 12 rebounds for Grambling State (3-5). The Tigers hit 8 of 17 3-pointers.
Adrian Nelson led Selma with 23 points and eight rebounds. Johnathan Bentley had 12 and Josh Stallworth added 11 points and nine rebounds. Selma was held to 23-of-61 shooting (37.7 percent) and were outrebounded 41-30.
Selma was within 51-50 with 13:19 left, but Carlton Lowe scored six points during an 8-0 run to pull away.
Grambling State was down 16-10, but Shine started an 11-0 run with three consecutive 3-pointers.