China's Lin Dan salutes to the audiences during the awarding ceremony after men's singles final match of badminton at the 16th Asian Games in Guangzhou, south China's Guangdong Province, Nov. 21, 2010. Five-time Grand Slam winner Maria Sharapova of Russia announced her retirement from professional tennis at 32 on February 26, followed by NBA star Vince Carter (June 25), Chinese badminton icon Lin Dan (July 4), and Spanish goalkeeper Iker Casillas (August 4). (Xinhua/Lu Hanxin)
