Patriots rule out Chaisson for Sunday night at Buffalo

The New England Patriots will be without starting outside linebacker KLavon Chaisson for Sunday night's game at Buffalo after the team ruled him out with a knee injury, the Patriots announced Saturday. Defensive tackle Milton Williams, who missed practice this week with an ankle issue, was listed as questionable but traveled with the team and is expected to be available, while cornerback Carlton Davis III, who missed time with an illness, also made the trip.

Chaisson, who did not practice Wednesday or Friday after a limited session Thursday, had started all four games this season and recorded 2.5 sacks, nine tackles and five quarterback hits. He had emerged as a primary edge rusher opposite Harold Landry, playing roughly two thirds of defensive snaps through Week 4. With Chaisson sidelined, coaches are expected to rely more heavily on Keion White and Anfernee Jennings, and undrafted rookie Elijah Ponder could be activated for the first time since Week 2.

Milton Williams returned to a limited practice Friday after missing Thursday and was upgraded to active on game day. The 26 year old signed a four year contract with New England in March and has been one of the team's most...