Article Photos: OU vs. Texas: Red River series has become a measuring stick for Bob Stoops, Mack Brown 2/5

TEXAS CHRISTIAN UNIVERSITY: Oklahoma's Blake Bell (10) carries 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