Stacy Lewis

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Stacy Lewis lines up a putt on 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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Stacy Lewis reacts after missing a birdie putt on the 14th 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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Stacy Lewis chips the ball onto 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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Stacy Lewis hits from the fourth fairway 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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Stacy Lewis, left, and Lydia Ko, right, of New Zealand prepare to hit from 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)

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Stacy Lewis, left, and Michelle Wie, right, carefully make their way through the rain down to the third green of the Lake Merced Golf Club during the second round of the Swinging Skirts LPGA Classic golf tournament Friday, April 25, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis gestures after missing a birdie putt on the first green of the Lake Merced Golf Club during the second round of the Swinging Skirts LPGA Classic golf tournament Friday, April 25, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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Stacy Lewis reacts after missing a birdie putt on the ninth green of the Lake Merced Golf Club during the second round of the Swinging Skirts LPGA Classic golf tournament on Friday, April 25, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)

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As rain falls, Stacy Lewis, left, is greeted on the ninth green of the Lake Merced Golf Club by Lydia Ko, right, of New Zealand, after finishing the second round of the Swinging Skirts LPGA Classic golf tournament on Friday, April 25, 2014, in Daly City, Calif. (AP Photo/Eric Risberg)