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.
Gudmundsson's triple-double sparks Davidson to win
Jon Axel Gudmundsson scored 20 points and had 10 rebounds and 10 assists to lead Davidson over Rhode Island 75-66 on Friday night.
No. 2 Gonzaga eyes top spot as BYU visits
With another West Coast Conference regular-season championship tucked away in its hip pocket, No. 2 Gonzaga goes after the No. 1 ranking Saturday night.
Wisconsin, Northwestern square off headed in opposite directions
No. 22 Wisconsin will look to secure a winning regular-season record in Big Ten play when it visits Northwestern on Saturday night in Evanston, Ill.