Steelers sign DT Doug Costin to 1-year contract,

Pittsburgh adds depth a defensive line ahead of training camp.

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On Tuesday, the Pittsburgh Steelers announced they had signed former Jacksonville Jaguars and USFL defensive tackle Doug Costin to a one-year contract. Costin was one of five former USFL defensive linemen the Steelers brought in for tryouts.

Costin is a PA kid and was born in West Chester. He played his college ball at Miami (OH), alma mater of former Steelers quarterback Ben Roethlisberger. Costin spent time on the Jaguars and Cincinnati Bengals before playing last season on the Birmingham Stallions.

At 6-foot-2 and 295 pounds, Costin projects as a nose tackle in the Steelers scheme. He should compete with guys like Khalil and Carlos Davis for a spot on the roster.

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