(not in any particular order)

Bernard Hopkins Jersey Joe Walcott
Aaron Pryor Roy Jones Jr.
Muhammad Ali George Foreman
James Toney Roberto Duran
Sugar Ray Leonard Marvelous Marvin Hagler
Willy Pep Evander Holyfield
Ray Robinson Arturo Gatti
Joe Louis Manny Pacquiao
Mike Tyson Rocky Marciano
Floyd Mayweather Jr Pernell Whitaker
Oscar Delahoya Julio Cesar Chavez