NFL clubs retain their team doctors and medical consultants independently. Those physicians are associated with some of the best medical facilities in the country. Citing pending litigation, would not address accusations, some decades old, from former players. In Brown’s first four years, the regular season was just 12 games. It was 14 games for his last five years. That makes his average of 1,368 yards per season even more impressive. Efforts began decades ago to protect and preserve Gold Butte…