Jimmy Johnson: 'No doubt in my mind' Dak Prescott will sign a long-term deal with Cowboys

Following last week's epic comeback, Jimmy Johnson discusses Dak Prescott's future with the Dallas Cowboys. Hear why Jimmy thinks it's a certainty that Jerry Jones will sign Dak to a long-term deal. Also, hear who Howie Long thinks will win this week's game between the Cowboys and the Seattle Seahawks.

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