Since Utah last won a P5 OOC game, BYU has notched road wins at Camp Randall and Rocky Top, both much more difficult
venues than anything you find in the PAC.
You want to talk about injuries. Prior to Caleb Williams getting injured in the PAC title game last year, Utah was about to fall behind by three scores, and couldn't stop USC to save their lives.
In fact, when was the last time Utah actually won a big road game?