One constant refrain during the build to UFC 257 and the rematch between Dustin Poirier and Conor McGregor was that Poirier was not the same man he was when McGregor knocked him out in their 2014 featherweight meeting. Poirier proved that to be true in the rematch on Fight Island when he survived early blitzes from McGregor to score a shocking upset victory by second-round knockout.
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