Jeff Horn of Australia, left, lands a right to Manny Pacquiao of the Philippines during their WBO World Welterweight title fight in Brisbane, Australia, Sunday, July 2, 2017. (AP Photo/Tertius Pi …

Jeff Horn of Australia, left, lands a right to Manny Pacquiao of the Philippines during their WBO World Welterweight title fight in Brisbane, Australia, Sunday, July 2, 2017. (AP Photo/Tertius Pickard)