Racing PositionsOU defensive line could spark title run13YBrandon ChatmonSigns of a successful spring for the Sooners13YBrandon ChatmonState of the position: Defensive end13YBrandon ChatmonOpening camp: Oklahoma Sooners13YDavid UbbenThe 2013 all-OU-Texas team13YJake TrotterCrimson Countdown: DE Charles Tapper13YBrandon ChatmonCrimson Countdown: DE Mike Onuoha13YBrandon ChatmonPlacing the Sooners' roster in tiers13YJake TrotterRanking Oklahoma's position groups13YJake TrotterMontgomery brings a new approach to OU14YBrandon Chatmon
