Troy Thompson also scored 11 points and J.D. Wallace added seven to go with 14 rebounds for PVAMU (10-16, 7-5 Southwestern Athletic Conference).
The teams combined to miss the first 13 field-goal attempts in overtime, and finished 1 of 14. Hamilton opened the scoring in the extra period when he hit two free throws with 3:19 to play and it was scoreless until he made two more foul shots with 31 seconds left. Hamilton and Jones combined to make 3 of 4 free throws to make it 63-56 with 10 seconds remaining before a dunk by JSU's Paris Collins capped the scoring.
Collins had 18 points on 8-of-24 shooting for the Tigers (10-16, 7-6). Treshawn Bolden scored 16, including three 3-pointers, and Jeremiah Bozeman added 10 points. Bolden made 6 of 6 from the field and Bozeman hit 4 of 5.
The teams, who came in tied for first in the conference in 3-point percentage (35.1), combined to make 10 of 52 (19.2 percent) from beyond the arc and committed 40 total turnovers.
Jackson State has lost three in a row and six of its last seven.
Powell scores 30 as Seton Hall routs Georgetown 90-74
Myles Powell scored 30 points and Seton Hall opened an early 20-point lead and never looked back in posting a much-needed 90-75 victory over Georgetown on Wednesday night.
Dalton carries Houston Baptist over Cent. Arkansas 75-71
Ty Dalton had a season-high 21 points plus 10 rebounds as Houston Baptist narrowly defeated Central Arkansas 75-71 on Wednesday night.
Brown carries Bradley past Loyola-Chicago 61-54
Darrell Brown had 21 points as Bradley got past Loyola-Chicago 61-54 on Wednesday night.