Tiger Woods of the United States watches his tee shot on the second hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Tiger Woods of the United States lines up a putt on the 9th green during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Tiger Woods of the United States acknowledges fans' cheers as he hit the birdie on the 9th hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Phil Mickelson of the United States watches his tee shot on the 10th hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Phil Mickelson of the United States reacts as he made a successful putt on the 10th hole green during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Brandt Snedeker of the United States watches his tee shot on the sixth hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Steve Stricker of the United States lines up a putt on the 9th green during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Justin Rose of South Africa hits out of a bunker on the ninth hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Jim Furyk of the United States acknowledges fans' cheers as he successfully sank in the 9th hole during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) 
Adam Scott of Australia hits a chip shot onto the sixth green during the Second Round of the BMW Championship golf tournament at Conway Farms Golf Club in Lake Forest, Illinois, the United States, on Sept, 12, 2013. (Xinhua/Ting Shen) |
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