Ravens Sign Tackle

The Baltimore Ravens continued the overhaul of their defense by signing free-agent tackle Tony Siragusa to a four-year deal worth an estimated $6 million.

The Oakland Raiders neared completion of their off-season makeover by signing safety Eric Turner to a four-year contract, their third major free-agent signing in the past 10 weeks.

The Detroit Lions waived veteran defensive tackle Henry Thomas and signed running back Tommy Vardell.