data-mm-id=”_3gzvb153w”>Dak Prescott chose to bet on himself this past offseason. It looked like it was going to work. He refused to sign a long-term extension with the Dallas Cowboys after hitting free agency and the organization franchise-tagged him for $31 million. Prescott's future earnings potential rode on his performance this year– and he was set to earn himself a monstrous payday until he went down with a nasty ankle injury that sidelined him for the year. Usually when a player is on a one-year deal and suffers a compound fracture and dislocation of his ankle like Prescott did, the immediate future does not look bright. Medical technology has never been better but there's no guarantee a player would be the same guy after such an injury and contract negotiations take …