CB Arrington had concussion

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Patriots cornerback Kyle Arrington suffered a concussion in Week 2 vs. San Diego.The Patriots released their first injury report of the week on Wednesday afternoon, and five Patriots players were listing as not having participated in Wednesday's practice.

Cornerback Kyle Arrington (concussion), safety Patrick Chung (hand), tight end Aaron Hernandez (knee), offensive tackle Sebastian Vollmer (back), and defensive lineman Mike Wright (concussion) were those players held out of action.

Arrington sustained the concussion at the end of Sunday's win over the Chargers, when running back Ryan Mathews charged into him.

In addition, seven players were listed as having limited participation in practice: cornerback Ras-I Dowling (hip), tight end Dan Gronkowski (hamstring), linebacker Gary Guyton (hamstring), linebacker Jerod Mayo (thigh), punter Zoltan Mesko (left knee), wide receiver Taylor Price (hamstring), and offensive lineman Ryan Wendell (calf).

Cornerback Leigh Bodden (hand), safety Josh Barrett (thumb), and linebacker Dane Fletcher (thumb) were all listed as having full participation in practice.

For the Bills, defensive end Spencer Johnson (hip), wide receivers Steve Johnson (groin) and Roscoe Parrish (ankle), cornerback Terrence McGee (hamstring), linebacker Kirk Morrison (hamstring), and guard Kraig Urbik (knee) were all held out of practice. Defensive tackle Torell Troup (back) had full participation.