Starting Left Tackle: Duane Brown
Left tackle is, without a doubt, the most solidified starting spot on Seattle’s offensive line. Veteran Duane Brown is under contract through 2021, and unless he suffers an injury he will start every game at LT until that contract runs out.
Of course, Brown’s advanced age can’t be ignored, and he did miss four games last season. When he is unable to play, the team will likely turn to either Brandon Shell or Cedric Ogbuehi as a backup – depending which one is starting at right tackle in place of Germain Ifedi (more on that later).
Seattle has more depth options at tackle as well, including Jamarco Jones (who is expected to compete for a starting guard spot) as well as B.J. Finney and Ethan Pocic, who have both played some tackle in the past.
Ultimately, however, this job will not have a training camp competition attached to it unless something happens to Brown.