Europe's Graeme McDowell and USA's Phil Mickelson, right, are introduced 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 Graeme McDowell and USA's Phil Mickelson, right, are introduced during the opening ceremony at the Ryder Cup PGA golf tournament Thursday, Sept. 27, 2012, at the Medinah Country Club in Medinah, Ill.