Cowboys LB Sean Lee injured

Dallas Cowboys linebacker Sean Lee was helped off the field, according to Dallas reporters.

Lee was knocked down by rookie first-round offensive lineman Zack Martin.

Lee has a history of injuries and has yet to play a full season.

Lee is one of the best linebackers in the NFL when he's healthy.

He was signed to a seven-year, $42.6 million contract last year.

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Aaron Wilson covers the Ravens for The Baltimore Sun

Aaron Wilson
Aaron Wilson covers the NFL for National Football Post, his second stint at the Post. He has previously written for Pro Football Talk and FOX Sports-Scout. Entering his 13th year covering the Baltimore Ravens, he's a beat writer for The Baltimore Sun. Wilson has also covered the Jacksonville Jaguars and Tennessee Titans.

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