I think it will be a very low scoring game with BYU within 7 going into the 4th quarter. Unfortunately playing in Houston in the beginning of September after going up against a run heavy LSU team is going to wear on our D. With LSU's RB, inferior play by second stringers or mistakes by exhausted starters could turn into points rather quickly.
If any team is going to by up 17+ against BYU I think it will be LSU in the 4th quarter.