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WHITE SULPHUR SPRINGS, WV - JULY 09: Phil Mickelson hits his drive on the 11th hole during the fourth and final round of The Greenbrier Classic held at The Old White TPC on July 9, 2017 in White Sulphur Springs, West Virginia. (Photo by Michael Cohen/R&A/R&A via Getty Images)

WHITE SULPHUR SPRINGS, WV - JULY 09: Phil Mickelson hits his drive on the 11th hole during the fourth and final round of The Greenbrier Classic held at The Old White TPC on July 9, 2017 in White Sulphur Springs, West Virginia. (Photo by Michael Cohen/R&A/R&A via Getty Images)
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R & A Michael Cohen/R&A