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POTOMAC, MD - JUNE 30: David Lingmerth of Sweden plays his shot from the eighth tee during the second round of the Quicken Loans National on June 30, 2017 TPC Potomac in Potomac, Maryland. (Photo by Patrick Smith/Getty Images)

POTOMAC, MD - JUNE 30:  David Lingmerth of Sweden plays his shot from the eighth tee during the second round of the Quicken Loans National on June 30, 2017 TPC Potomac in Potomac, Maryland.  (Photo by Patrick Smith/Getty Images)