San Francisco 49ers OG Aaron Banks (ankle/knee), DE Nick Bosa (non-injury), QB Jimmy Garoppolo (foot), DT Kevin Givens (knee), LB Dre Greenlaw (back), DT Javon Kinlaw (knee), OT Trent Williams (non-injury) and RB Christian McCaffrey (ankle/injury) did not practice Wednesday, Jan. 4. DT Arik Armstead (foot/ankle) and CB Ambry Thomas (ankle) were limited participants, and QB Brock Purdy (oblique/rib) and WR Deebo Samuel (ankle/knee) were full participants.
49ers.com