Cameron Champ

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Cameron Champ hits on the second hole during the fourth round of the U.S. Open golf tournament Sunday, June 18, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)

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Cameron Champ hits from the second tee during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)

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Cameron Champ hits from the rough on the first hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)

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Cameron Champ reacts after a save on the sixth hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)

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Cameron Champ hits on the eighth hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

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Cameron Champ hits from the ninth tee during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

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Cameron Champ looks to hit out of the fescue on the seventh hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

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Cameron Champ lines up a putt on the eighth hole during the first round of the U.S. Open golf tournament Thursday, June 15, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

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