Based on Kyle's comments earlier in the week I suspected they were having doubts about the game, but based on this post it seems like they may have just gotten way too high off their own supply:
Here's his comment:
"LFG!!!! Expect Kump to start and maybe even at LT tonight. Feeling great about our chances…team speed is gonna cause them problems. Offensive options are too much for them. Have to set the edge because they’ll struggle to run between the tackles and if we do that they’re not a great throwing team. Expect Nephi to spy Hall and limit his runs.
Just don’t turn it over more than +- 2 and we’ll hammer them."