David Leadbetter
What happened to Lydia Ko?
Lydia Ko, superstar of golf, a few years ago had the world at her feet. Now she's in a slump, and that whole world has seen fit to pile on the criticism. Audio
Lydia Ko's dumped coach concerned about golfer's future
New Zealand golfer Lydia Ko has dumped her coach David Leadbetter. Mr Leadbetter told Checkpoint the 19-year-old's father should stop interferring in her career. Audio
Ko wins her fourth LPGA title of the year
World number one Lydia Ko has won her fourth LPGA title this year, after clinching a sudden death playoff at the Marathon Classic in Ohio. Audio
Lydia Ko outplayed by youngster at third major
Golf's number one, Lydia Ko, has been beaten by an even younger woman in a sudden-death playoff at the Women's PGA championship in Washington. Audio
Lydia Ko wins back-to-back tournaments
Aged just 18, Lydia Ko is the world's best golfer and the youngest person since 1869 to win back-to-back major tournaments. Her coach David Leadbetter joins Checkpoint. Audio
Lydia Ko becomes the youngest ever major champion in LPGA
New Zealand golfer Lydia Ko has made history, at the Evian Championship in France. Audio
