Europe's Luke Donald and USA's Jason Dufner, right, are introduced during during the opening ceremony at the Ryder Cup PGA golf tournament Thursday, Sept. 27, 2012, at the Medinah Country Club in Medinah, Ill.

Europe's Luke Donald and USA's Jason Dufner, right, are introduced during during the opening ceremony at the Ryder Cup PGA golf tournament Thursday, Sept. 27, 2012, at the Medinah Country Club in Medinah, Ill.