Article Photos: Oklahoma football report card: Sooners' offensive line, tackling get high marks 20/58

Oklahoma's Damien Williams (26) runs for a 66-yard touchdown during a college football game between the University of Oklahoma Sooners (OU) and the Texas Christian University Horned Frogs (TCU) at Amon G. Carter Stadium in Fort Worth, Texas, Saturday, Dec. 1, 2012. Oklahoma won 24-17. Photo by Bryan Terry, The Oklahoman