Panthers DT Andre Neblett blames supplement for positive test

Panthers defensive tackle Andre Neblett, who last week was suspended four games for violating the league’s performance-enhancing substance policy, said Tuesday  the positive test was for an over-the-counter supplement. He did not identify the supplement, but said it was to try to control his weight. The 6-foot, 310-pounder was listed at 295 last year. “[It…