article_snippet: Manny Pacquiao shadow boxes in the ring as Manny Pacquiao prepares for the richest fight in history .
article_snippet: Mayweather insists Mayweather own preparations for the Las Vegas showdown with Pacquiao have gone 'tremendous' Freddie Roach (right, pictured in November)
article_snippet: insists Pacquiao will be 'performing a public service'
article_snippet: Roach has underlined Roach complete confidence in Pacquiao ending Mayweather’s unbeaten record.
article_snippet: Manny is the perfect role model for this fight and Mayweather is not.
article_snippet: ‘Manny will be performing a public service for boxing when Manny beats Floyd.
highlights_snippet: Manny Pacquiao fights Floyd Mayweather at the MGM Grand on May 2 .
  
highlights_snippet: The 36-year-old had previously complained about 'feeling slow'
  Trainer Freddie Roach insists Manny Pacquiao will be 'performing a public service' by beating Floyd Mayweather .