Overview
- Head coach Kyle Shanahan said testing confirmed a torn ACL for first-round pick Mykel Williams after he left late in the 34-24 victory over New York.
 - The injury is season-ending for the rookie defensive lineman, as reported by ESPN’s Jeremy Fowler.
 - San Francisco is 6-3 and reassessing depth on a defensive line already hit hard by injuries this season.
 - Snap counts against the Giants point to increased roles for Sam Okayinonu, Alfred Collins, Keion White, Robert Beal and recent addition Clelin Ferrell, with Bryce Huff hopeful to return from a hamstring issue.
 - The loss of Williams could influence the 49ers’ plans to add help before the NFL trade deadline.