Pga Championship

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Brittany Altomare, right, talks with caddie Dewi Schreefel on the 18th green during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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Brittany Altomare watches her tee shot on the first hole during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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Chella Choi, of South Korea, hits her tee shot on the 18th hole during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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Chella Choi, of South Korea, reacts to a fan on the 18th hole during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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Chella Choi, of South Korea, right, and her caddie Ji Yeon Choi, react to a fan on the 18th hole during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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So Yeon Ryu, of South Korea, right, listens to her caddie Tom Watson before teeing off in the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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So Yeon Ryu, of South Korea, left, give her caddie Tom Watson the green bib signifying her No. 1 world ranking during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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So Yeon Ryu, of South Korea, watches her tee shot on the first hole during the first round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Thursday, June 29, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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Brooke Henderson smiles as she fields questions from reporters during the practice round of the Women's PGA Championship golf tournament at Olympia Fields Country Club, Wednesday, June 28, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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So Yeon Ryu of South Korea hands her driver back to caddie Tom Watson during a practice round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Wednesday, June 28, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)

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So Yeon Ryu of South Korea hits out of a bunker as coach Cameron McCormick watches during a practice round of the 2017 Women's PGA Championship golf tournament at the Olympia Fields Country Club Wednesday, June 28, 2017, in Olympia Fields, Ill. (AP Photo/Charles Rex Arbogast)