If you don't possess the ball on offense, you allow the other team to just wear out your defense. That is what happened in the first half - BYU offense was non-existent. It has been that way for 3 games now. This team has been fools gold all season. The run game is dependent upon mis-direction to be effective - that is not a good problem to have. That means your O-line isn't tough enough to own the LoS.