Dustin Poirier and Conor McGrgeor will settle the score once and for all at UFC 264 on July 10 (July 11 in Australia) in Las Vegas.
Their trilogy is locked at one apiece after McGregor won their first encounter in 2014 and Poirier returned the favour in January this year.
Aussie Tai Tuivasa is on the card, looking for his third consecutive win when he takes on controversial American Greg Hardy.
A welterweight showdown between Gilbert Burns and Stephen 'Wonderboy' Thompson is the second bout from the top.
Here's everything you need to know about UFC 264: Poirier vs McGregor 3.
UFC 264: WHEN IS POIRIER VS MCGREGOR?
The fight has been scheduled for Saturday, July 10 in the US, which means it will be on Sunday, July 11 in Australia.
UFC 264: WHERE IS POIRIER VS MCGREGOR?
The fight will be held at T-Mobile Arena in Las Vegas.
McGregor has headlined the venue three times, against Donald 'Cowboy' Cerrone, Khabib Nurmagomedov and his rematch with Nate Diaz.
UFC 264: HOW TO WATCH POIRIER VS MCGREGOR
The fight will be shown on Main Event pay per view.
It will cost $54.95.
UFC 264: POIRIER VS MCGREGOR STREAM
The fight will also be streamed on the UFC's Fight Pass streaming platform. You'll need to subscribe to Fight Pass and pay a one-off fee for the PPV.
UFC 264 PRELIMS AND UNDERCARD
Here's the full card.
Lightweight Dustin Poirier vs. Conor McGregor
Welterweight Gilbert Burns vs. Stephen Thompson
Heavyweight Tai Tuivasa vs. Greg Hardy
Women’s Bantamweight Irene Aldana vs. Yana Kunitskaya
Bantamweight Sean O'Malley vs. Louis Smolka
Preliminary card
Welterweight Carlos Condit vs. Max Griffin
Welterweight Niko Price vs. Michel Pereira
Welterweight Sean Brady vs. Kevin Lee
Middleweight Dricus du Plessis vs. Trevin Giles
Early preliminary card
Featherweight Ryan Hall vs. Ilia Topuria
Women’s Flyweight Jessica Eye vs. Jennifer Maia
Middleweight Omari Akhmedov vs. Brad Tavares
Flyweight Zhalgas Zhumagulov vs. Jerome Rivera
Middleweight Alen Amedovski vs. Hu Yaozong