Manny Pacquiao’s fighting days aren’t finished yet, as he’s coming out of retirement at 46 for a shot at another title next month. No matter what happens in the remaining stage, it’s hard to find many better résumés than the one he has already assembled in a career that landed him in the International Boxing Hall of Fame in New York on Sunday. “And now, when I look back, eight-division world champion, world titles in four different decades, oldest welterweight world champion in history, those...