2016 Rio Olympics - Golf - Men's Individual Stroke Play - Olympic Golf Course - Rio de Janeiro, Brazil - 13/08/2016. Bubba Watson (USA) of the United States reacts after sinking a putt on the fifth hole during the third round of the men's Olympic golf compeititon. REUTERS/Andrew Boyers

Tiger Woods of the U.S. stands on the 12th green during a practice round ahead of the British Open Championship at the Royal Liverpool Golf Club in Hoylake, northern England July 15, 2014. REUTERS/Stefan Wermuth/File Photo

Thomas Pieters of Belgium reacts during the Made in Denmark, European Tour golf tournament, final round in Farso, August 28, 2016. REUTERS/Henning Bagger/Scanpix Denmark

Tiger Woods of the U.S. lets go of his club after his tee shot on the seventh hole during the first round of the 2014 PGA Championship at Valhalla Golf Club in Louisville, Kentucky, August 7, 2014. REUTERS/Brian Snyder/File Photo

Tiger Woods of the U.S. stands on the 12th green during a practice round ahead of the British Open Championship at the Royal Liverpool Golf Club in Hoylake, northern England July 15, 2014. REUTERS/Stefan Wermuth/File Photo

People walk past a row of Volkswagen e-Golf cars during the company's annual news conference in Berlin March 13, 2014. REUTERS/Tobias Schwarz

2016 Rio Olympics - Golf - Preliminary - Men's Individual Stroke Play - Olympic Golf Course - Rio de Janeiro, Brazil - 12/08/2016. Scott Hend (AUS) of Australia hits a tee shot on the third hole during the second round of the men's Olympic golf competition. REUTERS/Andrew Boyers

A Secret Service agent patrols in a golf car as U.S. President Barack Obama tours Papahanaumokuakea Marine National Monument on Midway Atoll, U.S. September 1, 2016. REUTERS/Jonathan Ernst