HARTFORD, WI - JUNE 15: Jason Dufner of the United States plays his tee shot on the par 4, 11th hole during the first round of the 117th US Open Championship at Erin Hills on June 15, 2017 in Hartford, Wisconsin. (Photo by David Cannon/Getty Images)
HARTFORD, WI - JUNE 15: Jason Dufner of the United States plays his tee shot on the par 4, 11th hole during the first round of the 117th US Open Championship at Erin Hills on June 15, 2017 in Hartford, Wisconsin. (Photo by David Cannon/Getty Images)