Article Photos: OU football: Linebacker Dominique Alexander will likely step in with Corey Nelson done for season 73/112

Oklahoma's Sterling Shepard (3) is brought down by TCU's Sam Carter (17) during a college football game between the University of Oklahoma Sooners (OU) and the TCU Horned Frogs at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Oct. 5, 2013. Photo by Steve Sisney, The Oklahoman