5 blockbuster fights for Dustin Poirier before he retires

#4. Dustin Poirier vs. Justin Gaethje II

Gaethje is currently ranked No.1 in the lightweight division

In the build-up to Dustin Poirier's most recent fight, Justin Gaethje took a number of shots at him in the media. Gaethje claims that while he may have lost the first fight between the pair, it was Poirier and not himself who came out worse and that a potential rematch would go very differently.

Gaethje, to his credit, does appear to have greatly improved since the last time these two fought with his only loss coming at the hands of Khabib Nurmagomedov. His entertaining fighting style would also ensure plenty of fans would tune in to this potential rematch.

While Gaethje appears to be next in line for a lightweight title shot, Poirier is also indicating he is happy to take some time away from the sport. Should their paths cross in the future, this would be a massive bout bound to pique Poirier's interest.

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#3. Dustin Poirier vs. Colby Covington

Covington is currently ranked No.1 in the welterweight division

In the aftermath of his fight with Charles Oliveira, Dustin Poirier indicated that his future may not be at 155 lbs. Should he indeed pursue some fights in the welterweight division, a fight against Colby Covington would be a must-see.

Covington and Poirier do not like each other one bit and the animosity between the pair would make for some incredibly exciting interactions. While they used to be teammates at American Top Team, Covington has already directed a number of insults Poirier's way since splitting from the gym.

The bad blood here could easily be enough to get Poirier sufficiently interested in the bout. On top of that, not having to go through a brutal weight cut seems it would be appealing given his recent comments.