Who is Dustin Poirier? 'The Diamond' headlines UFC 264 against

Conor McGregor and Dustin Poirier will face off for the third time.

Benoit Saint-Denis Offers Excuse for UFC 299 Loss, Dustin Poirier Savagely Responds - Sports Illustrated MMA News, Analysis and More

Ranking 5 best wins of Poirier's UFC career

Benoit Saint-Denis Offers Excuse for UFC 299 Loss, Dustin Poirier Savagely Responds - Sports Illustrated MMA News, Analysis and More

UFC 264: Dustin Poirier vs. Conor McGregor 3: The Big Fight Preview - everything you need to know

UFC 264: Poirier vs McGregor 3 Picks and Predictions

Dustin Poirier teases UFC 300 return, here are five great opponents for the Diamond

Dustin Poirier APOLOGISES to Conor McGregor for 'taking private matters public' in charity row

Conor McGregor still eyeing fourth fight with Dustin Poirier: 'It's a must'

UFC 264: McGregor vs Poirier predictions and fight odds

Why you should watch the Conor McGregor vs Dustin Poirier 3 fight on ESPN