The Buffalo Bills signed free-agent quarterback Josh Johnson on Tuesday in a move that raises questions regarding the status of banged-up starter Tyrod Taylor. Johnson was signed a day after coach Rex Ryan said Taylor was ''beat up'' and ''sore'' following a 14-13 win against Tennessee. Ryan then didn't go into specifics when asked whether Taylor might be too sore to play Sunday, when Buffalo (3-2) hosts Cincinnati (5-0). More...