Seattle Seahawks OT Duane Brown (knee, biceps), WR Jaron Brown (knee), G Mike Iupati (neck), WR Malik Turner (concussion), DE Jadeveon Clowney (core) and LB Mychal Kendricks (knee) didn’t participate in practice Thursday, Jan. 2. C Joey Hunt (fibula) and G Phil Haynes (head) were limited. TE Luke Willson (hip) and S Quandre Diggs (ankle) practiced in full.