Image may be NSFW.
Clik here to view.
http://www.ranker.com/list/toughest-professional-fighters-in-history/seandempsey,
Evander Holyfield
Jack Dempsey
Joe Louis
Marvin Hagler
Micky Ward
Roberto Durán
Rocky Marciano
Sonny Liston
Sugar Ray Robinson
Arturo Gatti
Clik here to view.
http://www.ranker.com/list/toughest-professional-fighters-in-history/seandempsey,
Evander Holyfield
Jack Dempsey
Joe Louis
Marvin Hagler
Micky Ward
Roberto Durán
Rocky Marciano
Sonny Liston
Sugar Ray Robinson
Arturo Gatti
