MEMPHIS, TN - JUNE 11: Dustin Johnson tees off on the 16th hole during round one of the FedEx St. Jude Classic at TPC Southwind on June 11, 2015 in Memphis, Tennessee. (Photo by Sam Greenwood/Getty Images)
MEMPHIS, TN - JUNE 11: Dustin Johnson tees off on the 16th hole during round one of the FedEx St. Jude Classic at TPC Southwind on June 11, 2015 in Memphis, Tennessee. (Photo by Sam Greenwood/Getty Images)