SHOULDER INJURY: OU's Sam Bradford walks off the field after OU's 16-13 loss in the Red River Rivalry college football game between the University of Oklahoma Sooners (OU) and the University of Texas Longhorns (UT) at the Cotton Bowl in Dallas, Texas, Saturday, Oct. 17, 2009. Photo by Bryan Terry, The Oklahoman ORG XMIT: KOD