Spence Drops out of Pacquiao Fight with Eye Injury; Ugás inSpence Drops out of Pacquiao Fight with Eye Injury; Ugás inErrol Spence Jr. has dropped out of his pay-per-view fight with Manny Pacquiao on Aug. 21 because of a retinal tear in his left eye. WBA welterweight champion Yordenis Ugás will step in.Associated PressAssociated Press