Japanese tennis star Naomi Osaka earned $37.4 million in prize money and endorsements and broke the all-time earnings record for a female athlete in a single year, Forbes reported Friday.The 22-year-old Osaka bested the record previously held by Maria Sharapova, who earned $29.7 million in 2015, and ranks No. 29 among the 100 highest-paid athletes, the report said.American tennis giant Serena Williams placed 33rd among the 100, earning $1.4 million less than Osaka. It is the first time since 2016 that two women have made the rankings for the top-paid athletes.According to the report, Osaka,…READ FULL ARTICLE