Rory McIlory shot a third round 67 to take the lead at Tour Championship . Northern Irishman on nine - under , alongside America 's Mike Horschel . Jim Furyk two shots back on seven under as 29-strong field wins $ 10 million prize .
Rory McIlory fires a third round 67 to tie the lead at Tour Championship . Northern Irishman on nine-under par alongside America 's Billy Horschel . Jim Furyk two shots back on seven under as 29-strong field chase $ 10m prize .