BYU got the ball back when holder Mitchell Juergens recovered the blocked kick behind the line of scrimmage, and the clock stopped with 10 seconds left.
Trailing 27-21, the Boise State offense mounted a 10-play, 90-yard drive capped off by a McNichols 4-yard touchdown run with 10:37 left to play.
Up 14-0, a personal foul on tight end Chase Blakley pushed the ball back from the BYU 5-yard line to the 20, and the drive ended when kicker Tyler Rausa’s 32-yard field goal attempt was blocked by BYU’s Dayan Lake and returned by safety Kai Nacua to midfield with 1:49 left in the first quarter.
On BSU’s next drive, Rypien was picked off by Lake at the 50, and he returned it down the same sideline as Warner for the 17-14 lead with 4:54 left until halftime.
BYU took back the lead on a 1-yard Taysom Hill touchdown run with 6:55 left in the third quarter that made it 24-21, set up after Boise State failed on a fourth down on the BYU 42-yard line.