SALT LAKE CITY — Friends will walk on enemy lines come Saturday.

Utah and Oregon State's head coaches have close ties, but each seeks to defeat the other in a Pac-12 Halloween competition Saturday. If this game is like the past two, fans will watch yet another game in overtime.

Here's a look at the top storylines before the game.

Halloween battle

For months, fans assumed the highly anticipated blackout for the Utes would come this weekend. They were correct as the University of Utah announced it earlier this week. It seems fitting, considering the game is on Halloween.