More than 500 doping tests conducted on soccer players at the World Cup finals in South Korea and Japan have been returned negative, FIFA President Sepp Blatter said today.
Blatter said 256 urine tests had been conducted on players and another 256 players had supplied blood samples for testing.
More than 30 out-of-competition tests were also conducted at training camps among the 32 finalists in the lead-up to the finals, Blatter said.