Overview
- Williams injured his right knee on a late fourth-quarter rush during a 34-24 victory at MetLife Stadium.
 - He walked off under his own power and later met with Kyle Shanahan, who said the team fears an ACL tear pending Monday’s MRI.
 - The No. 11 pick has started nine games with one sack, three quarterback hits and 20 tackles while playing heavy snaps.
 - San Francisco’s defense has already lost Nick Bosa to an ACL tear and has dealt with hamstring injuries to Bryce Huff and Yetur Gross-Matos, with Fred Warner also managing an ankle issue per recent reports.
 - With the deadline on Nov. 4, the 49ers could seek pass-rush help, with outside reports linking them to Bengals edge rusher Trey Hendrickson.