Step 1 : Introduction to the question "According to Forbes list of highest-paid athletes in 2019, the top earner comes from which sport?"
Forbes has released the 2019 edition of its world’s highest-paid athletes list, with the top 10 competitors coming from the sports of football, boxing, tennis, American football and basketball. Despite being in a league with no salary cap, no major league baseball player is on this list. Topping this year’s list is soccer star Lionel Messi with a total of $127 million in annual earnings. Lionel Messi is one of the most well-known athletes in the entire world. He is the all-time leading scorer in the history of La Liga, Spain's storied professional football league.
