C.J. Spiller might miss some time with a shoulder injury September 23, 2012 by Paul Jackiewicz Leave a Comment Buffalo Bills running back C.J. Spiller left today’s game against the Browns with a shoulder injury. According to WGR 550 in Buffalo, Bills head coach Chan Ghailey expects Spiller to miss next week’s game against the Patriots. There’s some optimism that Fred Jackson could be back soon.