Williams is currently recovering from a high-ankle sprain and probably would not have played during the next two games anyway.
"I know he's still a few weeks away," head coach Kyle Shanahan told reporters today. "Two or three, roughly. I mean, don't hold me to that, but I know that's their estimate of it.
"I knew that he had some issues with the failed test, something that completely shocked him, just hearing from him and stuff. So, it doesn't surprise me if it was overturned. I heard that coming in, but I don't know anything for confirmation."
Williams has 14 tackles, three tackles for a loss, a sack, and two passes defensed in six game appearances this season.
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