Seattle Seahawks CB Shaquill Griffin (ankle), FB Tre Madden (hamstring), S Bradley McDougald (knee), OT Duane Brown (knee) and OG J.R. Sweezy (foot) did not participate in practice Wednesday, Jan. 2. OG D.J. Fluker (hamstring) and S Tedric Thompson (ankle) were both limited, while DE Dion Jordan (knee) practiced in full.