(Renton, WA)  --  The Seattle Seahawks say they've agreed to a three-year deal with defensive tackle Ahtyba Rubin.  Rubin, who played seven seasons for Cleveland before joining the Seahawks in 2015, was set to become a free agent after starting all 16 regular-season games for Seattle last year.  He recorded 36 tackles, two sacks, and an interception.  Terms of the new deal haven't been released.