Once again, Oklahoma is the team to beat in the Big 12. Here is ESPN.com's preseason Big 12 Power Rankings:
1. Oklahoma
Just because Baker Mayfield is gone doesn't mean Lincoln Riley's offense is about to slow down. Having waited behind Mayfield the past two seasons, former five-star recruit Kyler Murray will finally get his chance to quarterback the Sooners before moving on with baseball and the Oakland Athletics. The offense around Murray is primed for another playoff push, headlined by running back Rodney Anderson, wideout Marquise Brown and a battle-tested offensive line.