Seattle Seahawks' struggles come from poor offensive line playSI senior writer Greg Bishop explains why the Seattle Seahawks' offensive line is the team's weakest link.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceSI senior writer Greg Bishop explains why the Seattle Seahawks' offensive line is the team's weakest link.Published Oct 13, 2015 | Modified Oct 13, 2015SI STAFFShare on FacebookShare on XHome/NFL