The Seattle Seahawks continue the process of establishing an identity with their roster this upcoming season. The Seahawks’ bottom half of the roster seems like a revolving door of players getting signed to the team, but another player getting waived. Seattle signed former Chicago Bears and Houston Texans linebacker Power Echols while also waiving Joseph Vaughn. Joseph Vaughn WaivedThe Seahawks made roster room for Echols by waiving Vaughn. — Enjoy free coverage of the Super Bowl champions from Seattle Seahawks On SI —Sign Up For the Seahawks Daily Digest - OnSI’s Free Seattle Seahawks Newsletter