ABU DHABI – Dustin Poirier is willing to dig deep to emerge victorious from the UFC 257 headliner, and he’s not sure Conor McGregor has the same in him. Poirier (26-6 MMA, 18-5 UFC) is set to rematch McGregor (22-4 MMA, 10-2 UFC) in Saturday’s lightweight main event at Etihad Arena on in Abu Dhabi. The main card airs on pay-per-view following prelims on ESPN and ESPN+. It’s a fight that has been a long time coming for “The Diamond,” and a chance to get back one of his most notable career defeats after losing the first encounter by first-round TKO at UFC 178 in September 2014
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