Lucky Jones had 10 points, seven rebounds and three steals for the Colonials (6-4), who have won three straight games.
After trailing by one point, Robert Morris went on a 14-0 run that was capped by Velton Jones' three-point play to give it a 25-12 lead with 6:36 left in the first half.
Williams knocked down a jumper with 7:33 left to play to give Robert Morris an 18-point advantage -- its largest of the game.
Ramon Mercado was the only Hampton player to score in double figures with 13 points, making three 3-pointers.
Devin Williams' decision last month to sign with an agent and enter the NBA draft has left West Virginia in a tough spot.
Florida State's student government has passed a resolution discouraging Seminoles fans from wearing Native American headdresses at games.
The second annual Gavitt Tipoff Games, eight games between members of the Big East and Big Ten to be played Nov. 14-18, will feature Villanova at Purdue in the opener.
|South Carolina State||12-4||1||19-15|
|North Carolina Central||7-9||6||13-19|
|North Carolina A&T||7-9||6||10-22|