Darren Clarke, of Northern Ireland, congratulates Rory McIlroy, of Northern Ireland, after they finished their the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga.

Darren Clarke, of Northern Ireland, congratulates Rory McIlroy, of Northern Ireland, after they finished their the second round of the PGA Championship golf tournament Friday, Aug. 12, 2011, at the Atlanta Athletic Club in Johns Creek, Ga.