Article Photos: OU notebook: Sooners defense closes with strong performance 13/73

Oklahoma's Frank Alexander (84) sacks Nebraska quarterback Taylor Martinez (3) 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