USA's Dustin Johnson hits a drive on the 12th hole during a practice round at the Ryder Cup PGA golf tournament Wednesday, Sept. 26, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Dustin Johnson hits a drive on the 12th hole during a practice round at the Ryder Cup PGA golf tournament Wednesday, Sept. 26, 2012, at the Medinah Country Club in Medinah, Ill.