Twitter reacts to Dustin Poirier’s knockout win over Conor McGregor at UFC 257 Share this story Dustin Poirier shocked the MMA world last night (Sat., Jan. 23, 2021) at UFC 257 live on ESPN+ PPV from inside Etihad Arena on Fight Island in Abu Dhabi, U.A.E., when he finished former UFC double champ Conor McGregor via second-round TKO (highlights HERE). Watch UFC 257 On ESPN+ Here! UFC continues its live events schedule from Fight Island in Abu Dhabi on Jan. 23 with its “Poirier vs. McGregor 2” pay-per-view event available to stream RIGHT HERE — don’t miss a single second of face-punching action! Poirier, who was trying to avenge a TKO loss to McGregor at featherweight back in 2014, was getting tagged early on into the fight. But after landing some solid calf kicks “Diamond” was able to take McGregor’s patented mobility away. Once that happened “Notorious” was left wide open for Poirier’s punches and ended up wilting under the pressure in the second round.