ORCHARD PARK, N.Y. (AP)  Buffalo Bills defensive tackle Kyle Williams will undergo surgery on his left knee and miss the rest of the season.

Williams said Friday he will need surgery for a meniscus injury. The 10-year veteran has been out since suffering the injury against the Cincinnati Bengals in Week 6.

Williams, 32, hoped to play through the injury, but was not making progress after six weeks of rest.

He is Buffalo's longest-tenured player and a four-time Pro Bowler.  He expects the rehabilitation process to take a few months and said he has no plans to retire.

Williams finishes the season with 14 tackles and a sack in six games.

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