MEMPHIS, TN - JUNE 12: Phil Mickelson walks off the 18th green during the final round of the FedEx St. Jude Classic at TPC Southwind on June 12, 2016 in Memphis, Tennessee. (Photo by Mike Lawrie/Getty Images)
MEMPHIS, TN - JUNE 12: Phil Mickelson walks off the 18th green during the final round of the FedEx St. Jude Classic at TPC Southwind on June 12, 2016 in Memphis, Tennessee. (Photo by Mike Lawrie/Getty Images)