Dustin Poirier walked out to James Brown's "The Big Payback," stopped Conor McGregor in the second round and then declared himself the uncrowned champion. A pretty nifty piece of business from The Diamond all the way around at UFC 257. Now, we ask what should be next for Poirier, McGregor and, oh yeah, Michael Chandler in a suddenly Khabib-free lightweight division.Learn more about your ad choices. Visit megaphone.fm/adchoices