Rory McIlroy, of Northern Ireland, reacts to a shot on the 17th hole during the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga.

Rory McIlroy, of Northern Ireland, reacts to a shot on the 17th hole during the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga.