Byron Wesley and Aaron Fuller each finished with 16 points to lead USC (2-4). Wesley had five rebounds and Fuller fouled out with 6:06 left. Maurice Jones had 11 for the Trojans.
The Rebels were technically the visiting team at the Orleans Arena, which is about five miles away from their home arena, the Thomas & Mack Center.
The Rebels won despite USC shooting 52 percent from the field. UNLV shot 41 percent.