Jones was injured during the first quarter after making a 7-yard catch. He's fourth on the team with 174 receiving yards. Buffalo already has two receivers on season-ending injured reserve -- Roscoe Parrish (ankle) and Marcus Easley (chest).
Williams hurt his ankle during the second half. Gailey' isn't sure that Williams can play Sunday, but hasn't ruled him out.
Gailey ruled out starting left tackle Demetrius Bell (right shoulder) and linebacker Chris Kelsay (left calf) from playing Sunday.
Copyright 2011 by The Associated Press