HARTFORD, WI - JUNE 12: Martin Kaymer of Germany plays a shot during a practice round prior to the 2017 U.S. Open at Erin Hills on June 12, 2017 in Hartford, Wisconsin. (Photo by Andrew Redington/Getty Images)
HARTFORD, WI - JUNE 12: Martin Kaymer of Germany plays a shot during a practice round prior to the 2017 U.S. Open at Erin Hills on June 12, 2017 in Hartford, Wisconsin. (Photo by Andrew Redington/Getty Images)