Naomi Osaka continues first-round dominance at Miami Open
(Photo credit: Geoff Burke-USA TODAY Sports) Japan's Naomi Osaka remained perfect in the first round of the Miami Open, sweeping Italy's Elisabetta Cocciaretto 6-3, 6-4 on Wednesday in Miami Gardens, Fla. Osaka improved to 7-0 in first-round matches at the event. She needed only 78 minutes to down Cocciaretto, who was at a 6-2 disadvantage in aces and watched as Osaka won 17 of 20 first-serve points. Wednesday's victory