UFC 257 Poirier v McGregor: Weigh-Ins Photo by Jeff Bottari/Zuffa LLC

With UFC 257 just hours away, MMA Fighting’s Mike Heck, Jose Youngs and Alexander K. Lee break down the top storylines ahead of the UFC’s first pay-per-view event of the year this Saturday in Abu Dhabi, including the rematch between Dustin Poirier and Conor McGregor in the main event, as well as the co-main event between Dan Hooker and the debuting Michael Chandler.