(Renton, WA)  --  The Seahawks have agreed to a contract extension with left tackle Duane Brown.  The four-time Pro Bowl offensive lineman signed a three-year deal worth 36.5-million-dollars over the weekend.  The Seahawks also cut long snapper Tanner Carew and tight-end Kayaune Ross to make room on the roster for wide receivers Marvin Bracy and Malik Turner.