Dustin Johnson (USA) lines up his putt on the 9th green during Friday's Round 2 of the 2016 U.S. Open Championship held at Oakmont Country Club, Oakmont, Pittsburgh, Pennsylvania, United States of America. 17th June 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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