The Carolina Panthers announced they've signed free agent linebacker and special teams contributor Jason Trusnik to a one-year contract. Financial terms were not released Tuesday. The 6-foot-4, 252-pound Trusnik is an eight-year NFL veteran who spent the last four seasons with the Dolphins. Panthers coach Ron Rivera says Trusnik is ''an experienced player who adds more competition to the linebacker position and has also been a special teams ace. More...