And to add my two pence

1: Rocky Marciano
2: Stanley Ketchel
3: Jack Dempsey
4: Ray Robinson
5: Mike Tyson
6: Batttling Nelson
7: Beau Jack
8: Arturo Gatti
9: Tommy Hearns
10: Roberto Duran

Mentions: Micky Ward, Ivan Robinson, Nigel Benn, Evander Holyfield, Muhammad Ali, Rocky Graziano, Georges Carpentier, Battling Siki, Abe Attel, Kid McCoy, Terry McGovern.