Well, I assume you’re joking about the high school stadium in Albany, but you’re onto something as to why there are tickets remaining .the two teams are a couple thousand miles away from the stadium.
AND, it’s a bigger stadium than normal for this game too. (17 thousand more seats than the stadium used last year )
I am joking but my point is that they couldnt get two teams further from their fan base than these two. And its likely that neither has ever played in a stadium this big unless Neyland is bigger.