It's not a Mormon thing, its highest profile on their schedule and proximity.
I lived in Boise for almost 7 years. They don't have a natural rival anymore. It used to be Idaho but they are horrible now. By and large most BSU fans I know - Mormon and non-Mormon respect BYU and look forward to the game each year.
This message has been modified
Originally posted on Jul 13, 2015 at 1:43:28pm
Message modified by eggroll on Jul 13, 2015 at 1:46:51pm