Just like to add my 1980s list, which took me waaaay longer than the previous decades to compile, due to there being far more world champions (and...
1) Muhammad Ali 2) Nicolino Locche 3) Larry Holmes 4) Herol Graham 5) Joe Bugner
II: 1900s 1) Abe Attell 2) Joe Gans 3) Stanley Ketchel 4) Tommy Burns 5) James J. Jeffries 6) Terry McGovern 7) Young Corbett III 8) Tommy Ryan...