Naomi Osaka Reportedly Set to sign Adidas' Biggest Deal With Female Athlete<br /> Osaka has agreed to a deal worth $8.5 million annually, according to 'The Times'.<br /> Osaka won the US Open Saturday, her first <br />Grand Slam title. Osaka could become the second-highest-paid woman this year, 'The New York Post' believes another endorsement, potentially with a car manufacturer, could also be on the horizon.
