Now No. 1, Osaka wins majors to strains of Jay Rock's 'Win'

MELBOURNE, Australia (AP) - Like the 21-year-old she is, Naomi Osaka stepped into Rod Laver Arena for the Australian Open final with a cellphone in her right hand and music in both ears.

The headphones she wore carried the swirling brass, bouncing beat and boastful lyrics of Jay Rock's "Win," ...