8) Muhammad Ali (Net worth: $50 Million)

The Greatest: This retired American boxer is also a philanthropist and a social activist. He partnered with boxing coach Fred stoner, and together they won many championships including six Kentucky Golden Gloves, an Amateur Athletic Junior Title and two National Golden Gloves.

7) Vitali Klitschko (Net worth: $65 Million)

This professional heavyweight boxer has won many boxing championships and accolades. He also earned the nickname “Dr. Ironfist” for his powerful punches in the ring.