Did you know tennis babe Naomi Osaka stalks Twitter for followers?

*Melbourne:* After beating Zheng Shuai in Melbourne on Wednesday, reigning Australian Open champ Naomi Osaka used her victory speech to name-check one of her 500,000 followers on Twitter. "I know there's a person sitting in the ninth row named Marcus, who I stalk on Twitter, and I see your tweet so shout-out, thanks for coming,...