Manny Pacquiao vs. Errol Spence winner to follow Floyd Mayweather feat

Floyd Mayweather is the last man to claim The Ring Magazine "Rocky" belt at the welterweight limit. Now, whoever comes out on top of the Manny Pacquiao vs. Errol Spence clash on August 21 will follow the great five-weight king. The Ring confirmed the news over the weekend in a...