Cowboys worried Tyrone Crawford has torn Achilles

The Cowboys believe second-year defensive end Tyrone Crawford may have suffered a torn Achilles, director of player personnel Stephen Jones indicated Sunday, according to Tim MacMahon of ESPN Dallas. MRI results will be needed to confirm Crawford’s injury, per MacMahon. A torn Achilles could conceivably threaten to end his 2013 season. Crawford was injured on Sunday, the first…