Rory McIlroy will draw on his success off the course as he bids to win an unprecedented third FedEx Cup title and $18 million first prize in the Tour Championship. McIlroy and Tiger Woods, who are the only two-time winners of the event, have been instrumental in introducing the significant changes announced by the PGA Tour on Wednesday in response to the threat posed by LIV Golf. But McIlroy must now turn his attention to on-course matters as he bids to overturn a significant handicap under the controversial system used for the season-finale at East Lake.