The Patriots were without six players at Wednesday's practice, including Albert Haynesworth who did not play because of a back injury.
Safety Patrick Chung (hand), tight end Aaron Hernandez (knee), tight end Dan Gronkowski, tackle Sebastian Vollmer (back) and defensive lineman Mike Wright (concussion) were all out.
The limited participants were cornerback Ras-I Dowling (hip), linebacker Gary Guyton (hamstring), linebacker Jerod Mayo (thigh), punter Zoltan Mesko (left knee), receiver Taylor Price (hamstring), offensive lineman Ryan Wendell (calf), and Kyle Arrington (concussion) who sat out Wednesday's practice.
Safety Josh Barrett (thumb), cornerback Leigh Bodden (hand) and Dane Fletcher (thumb) were all full participants.
For the Bills, cornerback Terrence McGee (hamstring), linebacker Kirk Morrison (hamstring), receiver Roscoe Parrish (ankle) and guard Kraig Urbik (knee) were all out.
Receiver Stevie Johnson (groin) missed practice on Wednesday, but was a full participant on Thursday. Defensive end Spencer Johnson (hip), defensive back Torell Troup (back) were all full participants.