Yes, the Big 12 is a quarterbacks league.
Trevone Boykin turned around TCU. Oklahoma State experienced a similar thing when Mason Rudolph emerged as a productive passer. And this year’s champion, Oklahoma, went from good to great as Baker Mayfield became a star.
But Oklahoma State's inability to run the ball was a major factor when it failed to beat Baylor or Oklahoma despite hosting both teams in the final two weeks of the season.
Winning a Big 12 championship has been directly tied with the ability to run the ball the past five seasons.