Boxing legend Manny Pacquiao believes that Conor McGregor underestimated Dustin Poirier heading into their main event rematch at UFC 257. McGregor entered the rematch with Poirier as a huge betting favorite yet lost in shocking fashion when he suffered a brutal second-round knockout loss. McGregor and Poirier previously met back at UFC 178 in September … Continue reading Manny Pacquiao: Conor McGregor underestimated Dustin Poirier in rematch