Dustin Poirier knocks out Conor McGregor in 2nd round at UFC 257

Dustin Poirier stopped Conor McGregor with a flurry of punches midway through the second round Sunday. Read more at .

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Dustin Poirier knocks out Conor McGregor in 2nd round at UFC 257

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Dustin Poirier knocks out Conor McGregor in 2nd round at UFC 257