These factors are constantly overblown in sports especially the revenge factor. This rarely gives the avenging team any kind of edge. If anything it can potentially drain them mentally and leave them with less energy to actually play the game effectively.

100K fans sounds great when you get to silence them. They won't have a lot of energy watching their offense run 3 straight run plays with their new offense. Just snapping the ball successfully may signify a positive possession.

Austin should be in the mid 80s by game time. Shouldn't be much of a factor.