That lead did n't last long as Williams scored his fourth touchdown of the night on a 62 - yard run .
BYU took a 35 - 31 lead with 5 : 07 left in the third quarter .
That lead did n't last long as Williams scored his fourth touchdown of the night on a 62 - yard run and BYU took a 35 - 31 lead with 5 : 07 left in the third quarter .