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Lydia Ko, seeking her first win in nearly two years, came from three shots back to take a 1-shot lead on a course she knows very well.
With a 5-under-par 67 Friday, Jessica Korda moved atop the leaderboard at the Mediheal Championship at Lake Merced Golf Club outside San Francisco.
Lydia Ko, now 21, put herself in early position Thursday to try to extend her birthday celebration through Sunday at the LPGA Mediheal Championship.
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LPGA professionals won't get to compete in Augusta National's newly announced event. But they are still supportive of the amateurs who will play.
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