This is still a rivalry game, even though we don't play each other every year, and with rivalry games records usually don't matter. Teams can get pumped up and play above their "normal" level. I think I heard this week that UF has lost all 6 matchups with UM since the yearly series ended in the late 80's. BTW, that was when I was at UF and those were some great games.
One of the reason UM hates UF so much has to do with the "Florida Flop" or "Gator Flop". Here's a
link to the article about the series but here is the part about the "Flop".