Trent Williams is not playing because he recently suffered a right hamstring injury and was ruled out after leaving the 49ers’ game early, with no clear return timeline yet.

What happened

  • Williams hurt his right hamstring on the very first offensive snap of the 49ers’ recent game against the Chicago Bears while chasing down a pick‑six.
  • He immediately grabbed the back of his leg, went to the sideline medical tent, and was later seen removing his gloves and tape, a strong sign he knew he was done for the night.

Current status

  • He was initially listed as questionable to return, but the team officially ruled him out by halftime of that game.
  • As of the latest reports, there is no firm timetable for his return, and it is unclear whether this will be a short “week‑to‑week” issue or something that could linger into the postseason.

Why it’s a big deal

  • Williams is an All‑Pro left tackle and a key cornerstone of the 49ers’ offense, consistently grading as one of the top tackles in the league when healthy.
  • The 49ers have already dealt with him missing time before, including an ankle problem that sidelined him late in the 2024 season, so another late‑season injury raises extra concern among fans and analysts.

Information gathered from public forums or data available on the internet and portrayed here.