Article Photos: OU notebook: Sooners defense closes with strong performance 9/73

Oklahoma's Jonathan Nelson (3) tires to bring down Nebraska's Roy Helu Jr. (10) 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