UFC 262 takeaways: McGregor-Poirier winner next for Oliveira; Ferguson in free fall

Charles Oliveira has taken the reins of the lightweight division. What's the next step for the new champ?

source https://www.espn.com/mma/story/_/id/31452796/ufc-262-takeaways-next-new-lightweight-champion-charles-oliveira-tony-ferguson-rebound