Justin Gaethje knocks out Dustin Poirier at UFC 291 - Los Angeles

Justin Gaethje knocked out Dustin Poirier with a head kick one minute into the second round to win the main event lightweight bout at UFC 291.

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Justin Gaethje knocks out Dustin Poirier at UFC 291 - Los Angeles

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Justin Gaethje's improvements on display at UFC 291

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Justin Gaethje KNOCKS OUT Dustin Poirier with head kick to win BMF

Justin Gaethje knocks Dustin Poirier out cold with brutal head kick KO at UFC 291 to win BMF title and settle score

Poirier, Gaethje prepared for possible brutal rematch at UFC 291

Justin Gaethje knocks Dustin Poirier out at UFC 291