ARLINGTON, TX – DECEMBER 01: Oklahoma Sooners quarterback Kyler Murray (#1) warms up during the Big 12 Championship game between the Oklahoma Sooners and the Texas Longhorns on December 1, 2018 at AT&T Stadium in Arlington, Texas. (Photo by Matthew Visinsky/Icon Sportswire)
ARLINGTON, TX – DECEMBER 01: Oklahoma Sooners quarterback Kyler Murray (#1) warms up during the Big 12 Championship game between the Oklahoma Sooners and the Texas Longhorns on December 1, 2018 at AT&T Stadium in Arlington, Texas. (Photo by Matthew Visinsky/Icon Sportswire)