Pittsburgh, PA -- (Sports Network) - The Pittsburgh Steelers have signed free agent linebacker Keyaron Fox to a one-year contract.

Financial terms of the deal were not disclosed.

Fox spent his first four NFL seasons with the Kansas City Chiefs, playing primarily on special teams and as a backup. He was a third-round pick in the 2004 NFL Draft out of Georgia Tech.

This past season, Fox notched 21 tackles, including 10 against the New York Jets in the season-finale. He registered 52 tackles during the 2006 season, starting four of the 16 games he played.