The Lions have signed 30-year old linebacker Rocky Boiman.  Boiman played in 6 games (0 starts) for the Steelers last season and he had 3 tackles.  Boiman has played in 103 games (28 starts) in his 8 years in the NFL and he has 256 tackles, 1.5 sacks, 9 passes defensed, 3 forced fumbles and 5 interceptions (one of which he returned for a TD).  At this point in his career Boiman is likely be looked at mostly on special teams by the Lions.

UPDATE:  (9/6/2010) – The Lions have released Rocky Boiman.