Article Photos: Oklahoma football report card: Sooners' offensive line, Trevor Knight get high marks 50/58

Oklahoma's Trevor Knight (9) hands off to Brennan Clay (24) during an NCAA college football game between the Oklahoma Sooners and the Kansas State University Wildcats at Bill Snyder Family Stadium in Manhattan, Kan., Saturday, Nov. 23, 2013. Oklahoma won 41-31. Photo by Bryan Terry, The Oklahoman