On average a solid (top 200) professional tennis player earns about USD$500,000 at the end of his/her career.
I think aerospace earn the most money
Cheryl earned the most money.
Floyd Mayweather is the athlete who earns the most money. He earns $105 million as a boxer, with Cristiano Ronaldo and LeBron James trailing behind him.
Messi and Ronaldo.