INDIANAPOLIS (AP) – Packers CEO Mark Murphy and Dolphins executive vice president Dawn Aponte have joined USA Football’s board of directors.  The organization also added three other people to the board Thursday: director of Louisiana youth football Leroy Hollins II, NorthShore University HealthSystems neurological surgeon Gail Rosseau and Cincinnati St. Xavier high school coach Steve Specht.  They join a 14-member board that already includes NFL Commissioner Roger Goodell, Big Ten Commissioner Jim Delany and Grant Teaff, the head of college football’s American Football Coaches Association.  USA Football is the sport’s national governing body.