HARTFORD, WI - JUNE 13: Fans walk along the course during a practice round prior to the 2017 U.S. Open at Erin Hills on June 13, 2017 in Hartford, Wisconsin. (Photo by Streeter Lecka/Getty Images)
HARTFORD, WI - JUNE 13: Fans walk along the course during a practice round prior to the 2017 U.S. Open at Erin Hills on June 13, 2017 in Hartford, Wisconsin. (Photo by Streeter Lecka/Getty Images)