USA's Zach Johnson reacts after winning on the 17th hole during a singles match at the Ryder Cup PGA golf tournament Sunday, Sept. 30, 2012, at the Medinah Country Club in Medinah, Ill.

USA's Zach Johnson reacts after winning on the 17th hole during a singles match at the Ryder Cup PGA golf tournament Sunday, Sept. 30, 2012, at the Medinah Country Club in Medinah, Ill.