Naomi Osaka Signs Deal With Nissan.

Naomi Osaka has signed yet another deal and is well on her way to being the biggest star in tennis.

On Thursday, global car manufacturer Nissan confirmed that it has made Osaka its latest brand ambassador.

With a combination of grit and grace, Naomi Osaka is not afraid to take on the best tennis players of our time, and win, Asako Hoshino, senior vice president at Nissan, said.

Osaka, the first Japanese player to ever win a Grand Slam title in tennis, signed the three-year endorsement deal on Thursday, according to Bloomberg, which does not specify the finances.