ST. LOUIS, MO - AUGUST 11: Dustin Johnson (USA) plays his shot on the 12th hole during the PGA Championship August 11, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)
ST. LOUIS, MO - AUGUST 11: Dustin Johnson (USA) watches his shot on the 12th hole during the PGA Championship August 11, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)
ST. LOUIS, MO - AUGUST 11: Charl Schwartzel (RSA) swings his putter in the air after missing a putt on the 13th green during the PGA Championship August 11, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)