49ers | Wednesday practice report for 49ers

San Francisco 49ers DT Arik Armstead (foot, knee), OG Spencer Burford (knee), LB Oren Burks (knee), TE Ross Dwelley (ankle), LB Dre Greenlaw (ankle, hip), DT Javon Hargrave (hamstring), CB Ambry Thomas (non-injury), CB Charvarius Ward (groin) and OT Trent Williams (non-injury) did not participate in practice Wednesday, Dec. 13. RB Elijah Mitchell (knee) was limited during practice, while CB Darrell Luter Jr. (hamstring) fully participated in practice.