Key stat to watch
Iowa State has allowed its opponents just one offensive touchdown in the first quarter this season. Oklahoma has outscored its opponents 100-14 in the first quarter and 199-75 in the first half. The third quarter has been the Sooners’ most productive this season. OU was held scoreless in the third quarter at Kansas State, but in their other seven games, the Sooners have outscored teams 115-65 in the third quarter.