SILVIS, IL - JULY 10: Zach Johnson takes a shot on the 13th fairway during the second round of the John Deere Classic held at TPC Deere Run on July 10, 2015 in Silvis, Illinois. (Photo by Michael Cohen/Getty Images)
SILVIS, IL - JULY 10: Zach Johnson takes a shot on the 13th fairway during the second round of the John Deere Classic held at TPC Deere Run on July 10, 2015 in Silvis, Illinois. (Photo by Michael Cohen/Getty Images)