The lead changed hands 10 times, most of those in the first half, before Utah State (6-1) took control.
Utah State shot 54.7 percent from the floor, had a 35-20 rebounding advantage and its bench outscored Utah Valley (5-7) 17-0.
Utah State's biggest lead -- 12 -- came with 7:24 left in the game.
Mike Brey is looking at former Notre Dame players to fill two assistant jobs that have opened up with the departures of Martin Ingelsby and Anthony Solomon.
Purdue's 2016-17 prospects got a jolt Wednesday when forward Caleb Swanigan announced he will return for his sophomore season.
Clemson's Jaron Blossomgame says he is withdrawing from the NBA draft and returning to school for a final season.