UFC 264 LIVE STREAM REDDIT: WHERE TO WATCH POIRIER VS CONOR MCGREGOR TONIGHT FIGHT FREE The highly anticipated trilogy clash Conor McGregor and Dustin Poirier are set to clash once more when they meet at UFC 264 on Saturday, July 10. It will be the first time both fighters enter the cage since Poirier defeated McGregor in the second round of their main event matchup at UFC 257 in January. McGregor won the first fight of the trilogy all the way back in 2014 when he stopped “The Diamond” in under two minutes. But at UFC 257, it was Poirier who stunned fans, managing to earn a knockout victory despite entering as a moderate betting underdog.