Hard to say.... Certainly there's no question of who's a better fighter between Joe and Maskaev, but when you consider the possible jump to HW it's hard to say which would be a tougher opponent for Hopkins, at least imo... Legacy wise, in the future, maybe the WBC heavy title would look the best on his record, but at this point I feel that most boxing fans would agree Calzaghe would be a better win.