Jordan Spieth is an American professional golfer, and the only golfer other than Tiger Woods to have won the U.S. Junior Amateur multiple times. Before turning 18 in July 2011, Spieth was number one in the Polo Golf Rankings, which determines the best junior golfers in the United States. Spieth, the 2009 and 2011 U.S. Junior Amateur champion, finished third in the 2009 Junior PGA Championship.