Justin Thomas’s US PGA win shows the value of a good caddie

For all of the wonderful shots which Justin Thomas hit in claiming the 104th US PGA Championship in a play-off win at Southern Hills in Tulsa, the 29-year-old American’s recall of a tough-love conversation with his veteran caddie Jim “Bones” Mackay showcased the slim margins between success and failure.
“I’m fully confident in saying I wouldn’t be standing here [with the Wanamaker Trophy] if he didn’t give me that talk,” said the player of his bagman’s intervention on Saturday evening after Thomas had signed for a third-round 74 that he believed had played him out of the championship, seven shots adrift of Mito Pereira after 54 holes.
Mackay, the long-time caddie to Phil Mickelson before their parting in 2017, had come out of a new career in on-course broadcasting to hook up with Tho …