New England Patriots quarterback Tom Brady (12) has his leg buckled by Kansas City Chiefs safety Bernard Pollard, bottom, during the first quarter of an NFL football game at Gillette Stadium in Foxborough, Mass., Sunday, Sept. 7, 2008. Brady left the game and was taken to the locker room. (AP Photo/Winslow Townson)

New England Patriots quarterback Tom Brady (12) has his leg buckled by Kansas City Chiefs safety Bernard Pollard, bottom, during the first quarter of an NFL football game at Gillette Stadium in Foxborough, Mass., Sunday, Sept. 7, 2008. Brady left the game and was taken to the locker room. (AP Photo/Winslow Townson)