USA's Phil Mickelson reacts to his tee shot on the 17th hole during a four-ball match at the Ryder Cup PGA golf tournament Friday, Sept. 28, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Phil Mickelson reacts to his tee shot on the 17th hole during a four-ball match at the Ryder Cup PGA golf tournament Friday, Sept. 28, 2012, at the Medinah Country Club in Medinah, Ill.