Northern Ireland's Rory McIlroy, right, and Northern Ireland's Darren Clarke react together on the 12th hole during a practice round ahead of the British Open Golf Championship at Royal St George's golf course in Sandwich, England, Wednesday, July 13, 2011.

Northern Ireland's Rory McIlroy, right, and Northern Ireland's Darren Clarke react together on the 12th hole during a practice round ahead of the British Open Golf Championship at Royal St George's golf course in Sandwich, England, Wednesday, July 13, 2011.