Halep, Kerber avoid third-round chaos at Australian Open

Romania's Simona Halep celebrates after defeating Kazakhstan's Yulia Putintseva in their third round singles match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 25, 2020. (AP Photo/Dita Alangkara)

MELBOURNE, Australia — Simona Halep and Angelique Kerber have held Grand Slam trophies aloft, and so have learned to keep their heads down when clusters of highly-ranked players start losing in the first week of majors.