Dustin Johnson (USA) takes his putt on the 14th green during Thursday's Round 1 of the 145th Open Championship held at Royal Troon Golf Club, Troon, Ayreshire, Scotland. 14th July 2016.<br /> Picture: Eoin Clarke | Golffile<br /> <br /> <br /> All photos usage must carry mandatory copyright credit (&copy; Golffile | Eoin Clarke)
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