San Francisco 49ers DT Maliek Collins (illness) and OT Trent Williams (ankle) did not participate in practice Wednesday, Dec. 18. DE Nick Bosa (hip, oblique), LB Dre Greenlaw (Achilles, knee), OT Jaylon X. Moore (hip), S Malik Mustapha (chest) and OT Nick Zakelj (illness) were limited during practice. OG Aaron Banks (elbow), S Ji’Ayir Brown (groin), LB Demetrius Flannigan-Fowles (knee), S Talanoa Hufanga (wrist) and LB Dee Winters (neck) fully participated in practice.
49ers.com