What do Oakmont’s 9 U.S. Open champions have in common?

Dustin Johnson of the United States holds the trophy after the final round of the 2016 U.S.Open at Oakmont Country Club on June 19, 2016 in Oakmont, Pennsylvania.

Dustin Johnson, pictured in 2016, is the most recent U.S. Open champ at Oakmont.

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