Manny Pacquiao files lawsuit in U.S. against Floyd Mayweather Jr. and his connections . Filipino boxing hero is angered by alleged claims that he used performance-enhancing drugs . Floyd Mayweather Jr. 's camp want both boxers to submit to Olympic-style dope testing in build-up to proposed fight . Mayweather is angered by this insistence and warned on March that he would go legal .
Manny Pacquiao files lawsuit in Las Vegas against Floyd Mayweather Jr. and his connections . Filipino boxing hero is angered by alleged claims that he used performance-enhancing drugs . Mayweather 's camp want both boxers to submit to Olympic-style dope testing in build-up to proposed fight . Pacquiao is angered by this insistence and warned on Christmas Day that he would go legal .