Teen sensation Lydia Ko

South Korea-born New Zealander Lydia Ko took over the No. 1 spot in women's golf on the world rankings announced Monday.
Ko, the 17-year-old sensation, earned 9.70 points to climb a notch to No. 1. She replaced South Korean star Park In-bee, who'd been the top-ranked golfer since last October. Park had 9.67 points.