ALAMEDA, Calif. -- The Oakland Raiders have signed free agent defensive lineman Chris Cooper.
![](http://blogblitz.nfl.com)
![](http://blogblitz.nfl.com/oakland-raiders) For more on the Oakland Raiders, check out the latest from our bloggers.
The team announced the move Tuesday. Cooper did not play for the team last year.
He spent the 2008 season on injured reserve for the Seattle Seahawks and was not on a team at all last season.
He spent the 2008 season on injured reserve for the Seattle Seahawks and played for the California Redwoods in the United Football League last season.
He has 8 1/2 sacks in 78 career games.
Copyright 2010 by The Associated Press