FILE - In this Aug. 28, 2016 photo, Rory McIlroy of Northern Ireland, right, and his caddy, J. P. Fitzgerald, look down the fairway before McIlroy tees off from the first hole during the final round of The Barclays golf tournament in Farmingdale, N.Y. McIlroy parted ways with J.P. Fitzgerald after the British Open and will use his best friend, Harry Diamond, as his caddie in the Bridgestone Invitational and the PGA Championship next week. (AP Photo/Kathy Kmonicek), file