ST. LOUIS, MO - AUGUST 10: Zach Johnson (USA) looks on with his caddy on the 15th green during Round 2 of the PGA Championship August 10, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)
ST. LOUIS, MO - AUGUST 10: Zach Johnson (USA) leans down to pick up his ball while his score for the day is shown on the board behind him on the 15th green during Round 2 of the PGA Championship August 10, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)
ST. LOUIS, MO - AUGUST 10: Zach Johnson (USA) putts on the 15th green during Round 2 of the PGA Championship August 10, 2018, at Bellerive Country Club in St. Louis, MO. (Photo by Tim Spyers/Icon Sportswire)
