Third-seeded Victoria Azarenka tumbled out of the BNP Paribas Open on Friday night in her first match in more than a month, falling 6-0, 7-6 (2) to American Lauren Davis. Azarenka, from Belarus, had been sidelined since the Australian Open because of a left foot injury that required her to wear a boot for several weeks. The two-time Australian Open champion, hampered by nerve damage between her toes, limped visibly at times, had trouble serving, fell to her knees several times, broke a racket after double-faulting to fall behind 4-3 in the second set, and fought back tears. Second-seeded Agnieszka Radwanska of Poland got it started by beating qualifier Heather Watson of Britain 6-4, 6-3. More...