Cowboys offensive coordinator Scott Linehan optimistic for a backup QB

Dallas Cowboys offensive coordinator Scott Linehan talks about quarterback Dak Prescott and other options for Tony Romo's backup after the morning walk-through at Cowboys training. (Star-Telegram/Max Faulkner)
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Dallas Cowboys offensive coordinator Scott Linehan talks about quarterback Dak Prescott and other options for Tony Romo's backup after the morning walk-through at Cowboys training. (Star-Telegram/Max Faulkner)