Article Photos: OU football: Linebacker Dominique Alexander will likely step in with Corey Nelson done for season 3/112

Oklahoma's Dominique Alexander (42) tries to bring down Tulsa's Zack Langer (24) during a college football game between the University of Oklahoma Sooners (OU) and the Tulsa Golden Hurricane at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Sept. 14, 2013. Oklahoma won 51-20. Photo by Bryan Terry, The Oklahoman