It's interesting to me that the sitting/standing thing is so contingent and varied based on sport (and probably other factors). For example, I went to an MLS game during a recent business trip and it was 100% expected that fans would stand during the entire event. I mean, you could sit down, but a majority of the fans were standing throughout the match. I stood the entire time, and never thought anything of it, really.
I prefer to stand during the entirety of football games. And did so as a student. But, also, those were the last USF games I attended (due to relocation).