Veteran free agent linebacker Kyle Knox has been suspended by the NFL for four games.
Knox has played for the Seattle Seahawks, Jacksonville Jaguars, New Orleans Saints and Dallas Cowboys.
He was cut by the Cowboys last month.
He played in a dozen games and had three tackles last season for the Saints.
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Aaron Wilson covers the Ravens for The Baltimore Sun.
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.