ARLINGTON, Texas — Kyler Murray threw for 379 yards and three touchdowns as No. 5 Oklahoma beat No. 9 Texas 39-27 in the Big 12 championship game Saturday, with the Sooners avenging their only loss and making their case for a return to the College Football Playoff. Murray, the Heisman Trophy-contending dual-threat quarterback, threw two of his TDs to Grant Calcaterra.