Rory McIlroy, right, is joined his caddie J.P. Fitzgerald, left, and his former manager Andrew 'Chubby' Chandler. McIlroy announced he is leaving Chandler's ISM on Friday morning.

Rory McIlroy, right, is joined his caddie J.P. Fitzgerald, left, and his former manager Andrew 'Chubby' Chandler. McIlroy announced he is leaving Chandler's ISM on Friday morning.