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The Cowboys might be without their franchise quarterback for longer than was initially anticipated. NFL Network is reporting that Dallas quarterback Dak Prescott is dealing with a partial avulsion of his right hamstring, which means that part of the tendon has pulled away from the bone. Prescott has not been placed on injured reserve, but would miss at a minimum of four games if the Cowboys decide to go that route. Multiple sources have said that the three-time Pro Bowler will need a recovery period of more than four weeks. The 31-year-old was injured on a five-yard scramble during the team's loss to the Atlanta Falcons in Week Nine.