By Giancarlo Malinconico: If you review the careers of Floyd Mayweather and Manny Pacquiao, you will notice many championships in many different weight classes. Pacquiao started his career at 106 pounds and moved as far up as welterweight, defeating the “Golden Boy” Oscar De La Hoya. Mayweather started at 131 pounds and eventually went as high as 154 pounds, also defeating De La Hoya. Both fighters fought many good and great boxers at almost every division they ascended through respectively throughout their careers.read more from source

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