Utah State opened the second half on a 13-4 to tie the game at 15:34. Lewis hit a jumper then made a steal and a breakaway dunk to get Fresno State back up by nine with 6:54 left. Utah State later got within five but a dunk by Davis and five free throws from Harris in the final 1:37 sealed the win.
Fresno State made 11 straight shots in the first half and led 35-26 at the break.
The Bulldogs outrebounded the Aggies 39-27.