UFC on Fox 29: Poirier vs. Gaethje was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on April 14, 2018, at the Gila River Arena in Glendale, Arizona. The event was headlined by a lightweight bout between Dustin Poirier and former WSOF Lightweight Champion Justin Gaethje.

UFC on Fox 29: Poirier vs. Gaethje

UFC 236: Holloway vs. Poirier 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on April 13, 2019 at the State Farm Arena in Atlanta, Georgia. The event was headlined by an interim UFC Lightweight Championship bout between former UFC Featherweight Champion Max Holloway and Dustin Poirier. The two previously met in a featherweight bout at UFC 143 where Poirier won by submission in the first round.