it was 80% UP fans from what I could see on TV. The game of the year every year for a few of the WCC schools is when Gonzaga comes to town. And that's because they've been so consistently dominant for so long.

Here's a picture of GU at USF from two years ago, and one from last year:

Here's GU at Santa Clara. Look at the end, and both sides. Full of Santa Clara fans:

I could go through each school, but you get the picture. There are more BYU fans at away games than there are GU fans at away games. The difference is that the other schools fans show up when the play Gonzaga.