You guys ever watch Who's Number 1 on ESPN. They did a show on the 20 greatest boxers and here's the list.
20.Larry Holmes
19. Julio Cesar Chavez
18.Evander Holyfield
17.Gene Tunney
16. Mike Tyson
15. Roberto Duran
14. Roy Jones Jr.
13. Willie Pett
12. Archie Moore
11. Joe Frazier
10. George Foreman
09. Marvin Hagler
08. Sugar Ray Leonard
07. Jack Johnson
06. Henry Armstrong
05. Jack Dempsey
04. Rocky Marciano
03. Sugar Ray Robinson
02. Joe Louis
01. Muhammed Ali
I think they did good on the list, i'd change the top 5 though with Louis being 4 b.c he lost to Marciano, Marciano 3, Robinson 2 & Ali 1.