2015 — Lydia Ko, 17, becomes the youngest golfer, male or female, to be ranked No. 1. She shares second place at the LPGA Tour’s season opener, where she finishes a shot behind Na Yeon Choi.
2017 — Serena Williams wins her record 23rd Grand Slam singles title with a 6-4, 6-4 victory over her older sister Venus in the Australian Open final. 2017 — Arrogate beats California Chrome again, ...