Jared Quayle added 13 points and 10 rebounds for the Aggies (21-6, 11-2 Western Athletic Conference), and Nate Bendall had 11 points, including a critical putback after a missed free throw with 30 seconds remaining.
There were six lead changes and three ties in the second half after Louisiana Tech took its first advantage, 37-36 with 16:10 to play. The Bulldogs led by as many as three before Williams scored nine consecutive points for Utah State to give the Aggies a 54-52 lead with 4:09 to play.
Bendall had a dunk, a putback and a free throw in the final 90 seconds to seal the win.
Seton Hall sophomore Isaiah Whitehead will stay in the NBA draft and not return for his junior season.
Washington State's trio of Josh Hawkinson, Conor Clifford and Ike Iroegbu have withdrawn from the NBA draft and will play their senior season with the Cougars.
Gonzaga center Przemek Karnowski, who missed most of last season with a back injury, says he is returning for another year.
|Texas San Antonio||3-15||13||5-27|