Lydia Ko

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Lydia Ko of New Zealand walks off the 18th green of the Lake Merced Golf Club after winning the Swinging Skirts LPGA Classic golf tournament on Sunday, April 27, 2014, in Daly City, Calif. Ko won the event after shooting a 3-under-par 69 to finish at 12-under-par. At left is her caddie Domingo Jojola. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, hits out of a bunker onto the sixth green of Lake Merced Golf Club during the final round of the Swinging Skirts LPGA Classic golf tournament on Sunday, April 27, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, follows her shot from the third tee of the Lake Merced Golf Club during the final round of the Swinging Skirts LPGA Classic golf tournament on Sunday, April 27, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, follows her drive from the sixth tee of Lake Merced Golf Club during the final round of the Swinging Skirts LPGA Classic golf tournament on Sunday, April 27, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, hits an approach shot to the fifth green of Lake Merced Golf Club during the final round of the Swinging Skirts LPGA Classic golf tournament on Sunday, April 27, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, hits out of a bunker up to the sixth green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko of New Zealand, waves after making a birdie putt on the sixth green of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Lydia Ko, of New Zealand, smiles while checking the wind direction on the third tee of the Lake Merced Golf Club during the third round of the Swinging Skirts LPGA Classic golf tournament on Saturday, April 26, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)