INCHEON CITY, SOUTH KOREA - OCTOBER 11:  Phil Mickelson of the United States Team lines up a shot on the 14th tee with his caddie Jim Mackay during the Sunday singles matches at The Presidents Cup at Jack Nicklaus Golf Club Korea on October 11, 2015 in Songdo IBD, Incheon City, South Korea.  (Photo by Scott Halleran/Getty Images)