Rennie Childs is entering his third year in the Oklahoma State program, but it's the first time he's had a chance to prove he should be the number-one running back for the Cowboys. The junior from Houston is in a battle with junior college transfer Chris Carson during fall camp for the right to be the Cowboys starting running back.
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Alert: GPS Tracking Device Aids OSU Coaches All of Oklahoma State's players are wearing a GPS tracking device that allows the Cowboys coaches and staff to monitor how much each player is running in practice.