U.S. Open - Round Three

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Bubba Watson watches a shot on the ninth hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Sang-Moon Bae of South Korea lines up a putt on the sixth hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Matteo Manassero of Italy on the sixth hole alongside his caddie Ryah McGuigan during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Padraig Harrington of Ireland smiles as he walks off the second tee during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Martin Kaymer of Germany lines up a putt on the first green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Ryo Ishikawa of Japan plays a bunker shot on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Graeme McDowell of Northern Ireland watches his pitch shot on the first hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Phil Mickelson waits with his caddie Jim Mackay on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Phil Mickelson watches his tee shot on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Martin Kaymer of Germany lines up a putt on the second green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Kevin Streelman play a shot on the ninth hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Webb Simpson lines up a shot on the 18th green with his caddie Paul Tesori during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Louis Oosthuizen of South Africa hits his tee shot on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Webb Simpson waves to the gallery on the 18th green after his five-under par 66 during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Ryo Ishikawa of Japan works on the practice green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Ryo Ishikawa waits with his caddie Hiroyuki Kato on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Charl Schwartzel of South Africa hits his tee shot on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Bill Haas hits a shot to the second green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Bo Van Pelt hits his tee shot on the third hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Rory McIlroy of Northern Ireland smiles as he waits to hit a shot on the practice range during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Jason Day of Australia waves as he walks to the second green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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John Senden of Australia watches his tee shot on the second hole during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.

U.S. Open - Round Three

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Retief Goosen of South Africa chips on the fourth green during the third round of the 111th U.S. Open at Congressional Country Club on June 18, 2011 in Bethesda, Maryland.