Eight badminton players disqualified from Olympics

China's Yu Yang, left, and Wang Xiaoli talk while playing against Jung Kyun-eun and Kim Ha-na, of South Korea, in a women's doubles badminton match at the 2012 Summer Olympics, July 31, 2012, in London. World doubles champions Wang and Yu, and their South Korean opponents were booed loudly at the Olympics for appearing to try and lose their group match to earn an easier draw.

An unidentified official talks to world doubles champions Yu Yang, left, and Wang Xiaoli, as South Korea's Jung Kyung-eun, right, and Kim Ha-na, listen during their women's doubles badminton match at the 2012 Summer Olympics, July 31, 2012, in London.

World doubles champions Yu Yang, left, and Wang Xiaoli, of China, watch as the shuttlecock hits the net during their women's doubles badminton match against South Korea's Jung Kyung-eun and Kim Ha-na, unseen, at the 2012 Summer Olympics, July 31, 2012, in London.

Head badminton referee Torsten Berg issues a black card to players in the women's doubles badminton match between Ha Jung-eun and Kim Min-jung, of South Korea, and Meiliana Jauhari and Greysia Polii, of Indonesia, at the 2012 Summer Olympics, July 31, 2012.

Head badminton referee Torsten Berg, right, talks to Indonesia's Greysia Polii, left, and her coach Paulus Firman, after he showed a black card to players in the women's doubles badminton match between Ha Jung-eun and Kim Min-jung, of South Korea, and Indonesia's Meiliana Jauhari and Greysia Polii at the 2012 Summer Olympics, July 31, 2012, in London.

China's Yu Yang, left, and Wang Xiaoli talk at the end of the women's doubles badminton match against Jung Kyun-eun and Kim Ha-na, of South Korea, at the 2012 Summer Olympics, July 31, 2012, in London.

Head badminton referee Torsten Berg, third from left, talks to Indonesia's Greysia Polii, left, and her coach Paulus Firman after he issued a black card to Polii and her partner Meiliana Jauhari as well Ha Jung-eun and Kim Min-jung, of South Korea, unseen, during their women's doubles badminton match at the 2012 Summer Olympics, July 31, 2012, in London. At right is an unidentified South Korean coach.

Head badminton referee Torsten Berg, right, talks to Indonesia's Greysia Polii, left, after he issued a black card to Polii and her partner Meiliana Jauhari as well as Ha Jung-eun and Kim Min-jung, of South Korea, unseen, during their women's doubles badminton match at the 2012 Summer Olympics, July 31, 2012, in London. At right is an unidentified South Korean coach.

Head badminton referee Torsten Berg, center left, issues a black card to South Korea's Ha Jung-eun and Kim Min-jung, right, as a South Korean team coach watches, during their women's doubles badminton match against Meiliana Jauhari and Greysia Polii, of Indonesia, at the 2012 Summer Olympics, July 31, 2012, in London.

Head badminton referee Torsten Berg, second from right, talks to South Korea's head badminton coach Sung Han-kook, right, after Berg issued a black card to the players in the women's doubles badminton match between South Korea's Ha Jung-eun and Kim Min-jung, and Indonesia's Meiliana Jauhari and Greysia Polii at the 2012 Summer Olympics, July 31, 2012, in London. At left is an unidentified South Korean coach.

South Korea's Kim Min-jung, left, and Ha Jung-eun play against South Africa's Michelle Edwards and Annari Viljoen in a women's doubles badminton match at the 2012 Summer Olympics, July 28, 2012, in London.

China's Wang Xiaoli, right, and Yu Yang play against Alex Bruce and Michelle Li of Canada in a women's doubles badminton match at the 2012 Summer Olympics, July 28, 2012, in London.