Champion Jones fails drug test

Jon Jones could face a lengthy suspension from mixed martial arts after the UFC light heavyweight champion was notified of his second potential violation of the promotion’s anti-doping policy.

Jones is widely considered the top pound-forpound fighter in the sport, but his potential violation stems from a sample collected after his weigh-in July 28 for his title fight against Daniel Cormier.

Jones hasn’t yet been stripped of his title, UFC president Dana White said.