The 27-year-old American and the world 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 . The world number one is three shots behind leader Tiger Woods and five ahead of compatriot Graeme McDowell.
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 . The world number one is three shots behind leader Tiger Woods and five ahead of compatriot Graeme McDowell.