Naomi Osaka jokingly called Serena Williams her 'mom' in a shared photo, and people have mixed feelings
7:27am PST - January 16th, 2020 australian open 2020 - Business InsiderPhoto by Reuters / John E. Sokolowski Naomi Osaka called Serena Williams her 'mom' on Twitter, and the Japanese star received a mix response to her comment. The 22-year-old shared a picture of her and Williams at the Rod Laver Arena on Wednesday during a char…