Fortune Magazine's 11th annual Fortunate 50 list takes a look at the top earners among pro athletes who are US citizens or who play in a US-based league - Serena Williams comes in at No.39.
WTA Staff

She's clearly the most successful women's tennis player out there, even one of the highest-earning tennis players out there, period, but how does Serena Williams compare to other US pro athletes? Fortune Magazine has made the call and ranks her at No.39 on their 11th annual Fortunate 50 list.

Also, Maria Sharapova and Li Na made the Top 20 in the international list.

Read their thoughts on Williams here, Sharapova here and Li here.