UFC 309 took place last weekend in New York, and it produced a massive update in the men’s pound-for-pound rankings. UFC heavyweight champion Jon Jones returned to action in the main event at Madison Square Garden, where he stopped former champion Stipe Miocic with a brutal spinning back kick to the body . Entering the week at No. 5 in the men’s pound-for-pound rankings, Jones vaults back up to the No. 1 spot.