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Posted by ESPN.com's James Walker
ORCHARD PARK, N.Y. -- The Buffalo Bills may have a concern on their hands as starting cornerback Jabari Greer suffered a knee injury and is out for the game.
Greer injured his knee in the second quarter of Monday night's game against the Cleveland Browns. It was announced after halftime that he would not return.
Greer is one of Buffalo's top players in the secondary. He has 35 tackles and two interceptions this season.