Much has transpired since Dustin Poirier and Conor McGregor first met at UFC 178 in 2014. Both would continue their climb up the ladder to become two of the best pound-for-pound fighters in the world--and each have tasted UFC gold. The rematch goes down at UFC 257 on Saturday, January 23. Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR

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