UFC champ Jon Jones flagged for another failed doping test

LAS VEGAS — Jon Jones could face a lengthy suspension from mixed martial arts after the UFC light heavyweight champion was notified Tuesday of his second potential violation of the promotion’s anti-doping policy.
Jones is widely considered the top pound-for-pound 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 at UFC 214 in Anaheim, California.
Jones won the fight and reclaimed his 2