the filipino boxer is joined by several of his compatriots as he sings and performs in ` i 'm fighting for filipinos ' the ` i 'm fighting for filipinos ' music video shows his compatriots in derelict areas of the asian country as well as footage of his previous fights .
the two star names of world boxing will go toe-to-toe in a $ 300million .
pacquiao , who will be hoping to become the first fighter to defeat mayweather , was recently spotted training at griffith park in los angeles .
pacquiao has also taken a keen interest in politics over the years .