SHANGHAI, CHINA - SEPTEMBER 20:  Liu Xiang of China answers media question after the men's 110m hurdles during the Shanghai Golden Grand Prix 2009 at Shanghai Stadium on September 20, 2009 in Shanghai, China. This is the first competition that Liu Xiang is participating in since being injured in Beijing Olympic Games. Getty Images logo Getty Images 2 months ago

SHANGHAI, CHINA - SEPTEMBER 20: Liu Xiang of China answers media question after the men's 110m hurdles during the Shanghai Golden Grand Prix 2009 at Shanghai Stadium on September 20, 2009 in Shanghai, China. This is the first competition that Liu Xiang is participating in since being injured in Beijing Olympic Games.