UNLV 81, Pacific 71--Nevada Las Vegas Coach Jerry Tarkanian, giving his regulars a rest, started five backups and led by as many as 21 points in the first half at Stockton.
But the Tigers put together a 40-20 run to take a 67-65 lead with 5:13 remaining.
Tarkanian then inserted starters David Butler and Stacey Augmon into the lineup, and the 18th-ranked Rebels went on a 10-0 run.
Anderson Hunt scored 21 points and Moses Scurry had 13 rebounds for the Rebels, 22-7 overall and 15-2 in the Big West.
Don Lyttle had 16 points and 10 rebounds for Pacific (6-20, 2-15).
Derreck Barden added 17 for Fresno State (13-13, 8-9).
Craig McPherson scored 15 for the Spartans (5-21, 1-16), who led, 37-36, at halftime.