Pac-12 Networks' Ashley Adamson, Nigel Burton and Yogi Roth dive into the five best Pac-12 football rivalry games as conference play begins to heat up with rivalry matchups week-after-week. Follow Pac-12 football this season with the Pac-12 Now App. Download today and set alerts for Pac-12 football to make sure you never miss a moment of the action. Pac-12 Now is available today in your app store for iOS, Android, and Apple TV.