With Ben Brown out for season, Cubs focus on current arms rather than count on rehabbing possibilities

After experiencing a setback in his quest to return to the Cubs this season, right-hander Ben Brown is done for the year. Manager Craig Counsell said Thursday that Brown, who was sidelined in June by a stress fracture in a vertebra in his neck, won’t pitch again this season, snuffing out any hopes he could step in as a relief option down the stretch and in the postseason. Reports about Brown’s rehab had been nothing but positive until he experienced symptoms during a live batting-practice…