Keys claim dramatic comeback win over tearful Osaka

By Steve Keating NEW YORK (Reuters) - American eighth seed Madison Keys claimed a dramatic 7-5 4-6 7-6(3) comeback win over a tearful Naomi Osaka on Friday to reach the fourth round of the U.S. Open. Leading 5-1 in the third set and on the cusp of the biggest victory of her career, 81st ranked Osaka crumbled as Keys swept the next five games en route to a victory that left her stunned 18-year-old opponent fighting back tears. The Japanese world number 81 was left in tears several times as her le