A person with knowledge of the deal told The Associated Press that the team was working on final details of the contract Tuesday night. The person spoke on condition of anonymity because an agreement had not been announced.
Melton missed most of last season after injuring his left knee in September. He will be reunited with former Chicago defensive coordinator Rod Marinelli, who now has the same title in Dallas.
The fifth-year player was a high school running back in the Dallas area before becoming a defensive tackle with the Texas Longhorns.
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