UFC tetralogies don’t come around often, but maybe one is needed for Dustin Poirier and Conor McGregor . Poirier and McGregor have fought against each other three times in their careers, with “The Diamond” up 2-1 in the series.
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Video: Is a fourth Dustin Poirier vs. Conor McGregor fight truly ‘a must’? – MMA Junkie