We’re only in the third week of 2021, but we can state with full confidence that by the time the year comes to a close, UFC 257 will be on the short list of MMA’s biggest events, if not the single biggest. That’s the case whenever Conor McGregor fights. The former UFC lightweight and featherweight champion will step into the octagon for just the third time in four years when he takes on former interim lightweight champ Dustin Poirier in the evening’s main event.
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