MIAMI GARDENS, Fla. (AP) — Twelfth-seeded Petra Kvitova won the Miami Open in her 13th appearance, beating seventh-seeded Elena Rybakina with a marathon tiebreaker in a 7-6 (14), 6-2 victory Saturday. The 33-year-old Kvitova, 10 years older than her opponent, snapped Rybakina's 13-match winning streak and halted her bid to