 Oklahoma defeated the Missouri Tigers and earned a berth in the 2009 BCS National Championship Game.From 2009 through 2013, the game was scheduled to be played at Cowboys Stadium, now known as AT&T Stadium, in Arlington, Texas.During June 2010, however, Nebraska and Colorado announced that they would leave the Big 12 for other conferences (the Big Ten Conference and the Pac-12 Conference, respectively) in 2011.