MELBOURNE, Australia (AP) _ American and women’s 10th seed Madison Keys cruised into the second round of the Australian Open, but former No. 1 Maria Sharapova was a 6-3, 6-4 loser to No. 19 Donna Vekic. No. 12 Johanna Konta suffered her earliest Australian Open exit with a first-round loss to Tunisian Ons Jabeur, 6-4, […]