MIAMI (AP) — No. 1-ranked Ash Barty has won her second successive Miami Open championship when No. 8-seeded Bianca Andreescu got hurt and retired while trailing during the second set. Andreescu was crying and shaking her head as she conceded while behind 6-3, 4-0. She stumbled and went sprawling two games earlier when she turned her right foot awkwardly while hitting a forehand. During the ensuing changeover a trainer taped her foot, but she played only five more points before retiring. On Sunday, 19-year-old Italian Jannik Sinner will try to become the youngest men’s champion in tournament history when he plays Hubert Hurkacz of Poland.