The Detroit Lions worked out defensive backs Joselio Hanson and D.J. Moore as well as tight ends Zach Miller and Martell Webb, according to a league source.
Hanson, 32, has previously played for the Oakland Raiders, Philadelphia Eagles and San Francisco 49ers. He started five games for the Raiders last season.
For his career, Hanson has 320 tackles and six interceptions.
Miller has played for the Jacksonville Jaguars and Tampa Bay Buccaneers.
Moore has played for the Chicago Bears and Carolina Panthers and has 123 career tackles and 10 interceptions.
Webb has played for the Tennessee Titans.
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Aaron Wilson covers the Ravens for The Baltimore Sun.