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GULLANE, SCOTLAND - JULY 18: Ian Poulter of England and Billy Horschel of the United States are seen walking during the first round of the 142nd Open Championship at Muirfield on July 18, 2013 in Gullane, Scotland. (Photo by Stuart Franklin/Getty Images)

Ian Poulter of England and Billy Horschel of the United States are seen walking during the first round of the 142nd Open Championship at Muirfield on July 18, 2013 in Gullane, Scotland.