Rory McIlroy, of Northern Ireland, walks off the tee on the fourth hole after hitting during a practice round at the Tour Championship golf tournament Wednesday, Sept. 19, 2012, in Atlanta. The tournament begins Thursday.

Rory McIlroy, of Northern Ireland, walks off the tee on the fourth hole after hitting during a practice round at the Tour Championship golf tournament Wednesday, Sept. 19, 2012, in Atlanta. The tournament begins Thursday.