Dustin Poirier officially put the gloves down inside the Octagon at UFC 318 Saturday night, marking the end of his career.

As a part of the tribute to "The Diamond," the promotion put together an incredible video titled "Paid In Full: The Dustin Poirier Story," which first played during the UFC 318 broadcast before his final fight against Max Holloway.

Poirier had his final fight on Saturday night in New Orleans, in the lightweight main event of UFC 318—a card that was built for him. His opponent was Max Holloway, a former featherweight champion he had beaten twice before, and on paper, had all the skills to beat again.

Five fast facts about Dustin Poirier's wife Jolie, who has been by his side throughout the entirety of his MMA career.

Dustin Poirier will receive a hero's welcome in his native Louisiana at UFC 318 when he battles Max Holloway for a third time in their careers. It's a respect Poirier earned from his peers and the promotion that they would take a PPV event to New Orleans for the first time in 25 years as a proper send off to one of the good guys in the sport's history.

Israel Adesanya thinks Dustin Poirier's legacy shouldn't be discredited for never winning an undisputed UFC title.