Islam Makhachev thinks Dustin Poirier has given up on his title hopes in the UFC. Poirier is coming off a submission loss to lightweight champion Charles Oliveira at UFC 269 in December, when he fell short in his quest for undisputed gold for a second time. “The Diamond’s” first attempt came at UFC 242 when he was submitted by Makhachev’s good friend Khabib Nurmagomedov
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