Browns adding ex-NFL RB Rock Cartwright to staff

The Browns are adding former NFL running back Rock Cartwright to their coaching staff as a quality control coach, ESPN’s Adam Caplan reported Monday. Cartwright, 36, had an eight-year playing career with the Redskins, Raiders and 49ers. The Redskins selected him in the seventh round of the 2002 NFL Draft. New Browns coach Hue Jackson…