Tiger Woods during a practice round Wednesday at The Olympic Club in San Francisco. Ezra Shaw/Getty Images hide caption

itoggle caption Ezra Shaw/Getty Images

Andy Roddick races across the court to return a volley at the 2009 U.S. Open. Roddick was the last U.S. Open men's singles champion from America — which was in 2003 Edwin Martinez1/flickr hide caption

itoggle caption Edwin Martinez1/flickr