Article Photos: Big 12 Championship by the numbers: Sooners only convert one third down 30/73

Oklahoma's DeMarco Murray (7) salutes the fans after the Sooners' 23-20 win over Nebraska during the Big 12 football championship game between the University of Oklahoma Sooners (OU) and the University of Nebraska Cornhuskers (NU) at Cowboys Stadium on Saturday, Dec. 4, 2010, in Arlington, Texas.  Photo by Chris Landsberger, The Oklahoman