SAN FRANCISCO - OCTOBER 11:  Y.E.Yang of South Korea and the International Team on the tee at the 2nd hole in hi smatch with Tiger Woods of the USA team during the Day Four Singles Matches in The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California. Getty Images logo Getty Images 28 months ago

SAN FRANCISCO - OCTOBER 11: Y.E.Yang of South Korea and the International Team on the tee at the 2nd hole in hi smatch with Tiger Woods of the USA team during the Day Four Singles Matches in The Presidents Cup at Harding Park Golf Course on October 11, 2009 in San Francisco, California.