Olsen had 421 yards passing for the Thunderbirds (4-2, 3-0). Malik Brown ran for 105 yards. Southern Utah amassed 562 in total yards and held Sacramento State to just 187 yards.
Three plays into the Thunderbirds' next possession, Olsen again found Sharp for a 50-yard scoring pass with just under a minute left in the third, sealing the win.
Nate Ketteringham had 117 yards passing with one interception for the Hornets (1-6, 0-4).