Following on from McGregor’s win over Poirier in September 2014, ‘The Diamond’ got his revenge earlier this year in stunning style.
Poirier destroyed McGregor with fierce leg kicks and punches to win their rematch and set up a hugely intriguing trilogy fight.
The fight will be the headline bout to UFC 264: Poirier vs McGregor 3 Fight but there had been some confusion over it following a stunning expletive-laden rant on social media from McGregor to his rival.
But UFC chief Dana White has since confirmed it will go ahead and here’s everything we know about the fight so far.
Poirier vs McGregor 3: Date and start time
The main event is scheduled to take place on Saturday, July 10 and will take place at the T-Mobile Arena in Las Vegas, Nevada.
Start times have not been confirmed yet but UK fans can expect the headline fight to get under way at around 6am on Sunday morning.
Poirier vs McGregor 3: What has been said?
Dana White confirmed the fight date in a video posted on Twitter on Wednesday, April 14.
He said: I am so happy to finally be able to say: Vegas is back.
This summer, Las Vegas is back open for business, and on July 10, UFC 264 Poirier vs McGregor 3 will be at the T-Mobile Arena at 100-per-cent capacity. Ladies and gentleman, that’s 20,000 fans.
And this card will be headlined by the third fight between Dustin Poirier vs Conor McGregor.