GRAND RAPIDS, Mich.—Nelly Korda became the first two-time winner on the LPGA Tour this season, closing with a 5-under 67 on Sunday for a two-stroke victory in the Meijer LPGA Classic. The Gainbridge LPGA winner in February, Korda finished at 25-under 263 to break the tournament record at Blythefield Country Club. She shot a career-best…