Alameda, CA -- (Sports Network) - The Oakland Raiders signed veteran free agent defensive end Greg Spires on Tuesday.

Spires has started in 94 of the 147 games he's played in over his career, which began in 1998. He has 39.5 career sacks and has forced 11 fumbles during his 10-year NFL career. He has spent the previous six seasons with the Tampa Bay Buccaneers, after playing for Cleveland in 2001 and New England from 1998-2000.

Also Tuesday, the Raiders waived fullback Matt Hahn, released cornerback Duane Starks and signed wide receiver Marcel Reece.