3. Manny Pacquiao
The only boxer in the entire world to have eight division world championships, he is also the first to win the lineal championship in five different weight classes. Manny Pacquiao is a legend among contemporary boxers. He also was the second highest paid athlete in the world in 2015. Manny Pacquiao is the third boxer in the history to have won three ‘glamor’ division titles which are flyweight, featherweight and welterweight.