Manny Pacquiao will now face Cuba's Yordenis Ugas. Errol Spence Jr. pulled out of the fight due to a left eye was discovered during a pre-fight medical exam, PBC announced Tuesday. The exam was conducted by the Nevada State Athletic Commission and took place Monday. Spence will undergo surgery Wednesday in Dallas. Ugas, ESPN's No. 6 boxer at 147 pounds, was scheduled to defend his title against Fabian Maidana in the PBC on Fox PPV chief-support bout. Maidana suffered an injury in sparring Monday and had already withdrawn from the Ugas fight, sources told ESPN. A fight will be added to the card to once again make it a four-bout pay-per-view telecast. Manny Pacquiao -360 vs. Yordenis Ugas +280, WBA welterweight championship