FIFA clears all World Cup players who took random drug tests
According to FIFA chief medical officiar Jiri Dvorak, every player on each of the 32 competing teams in the tournament had provided blood and urine samples for their drug tests. Dvorak said that the results from the 777 out-of-competition tests that were conducted between March 1 and June 11, and the additional 232 tests, four from each of the initial 58 matches played in Brazil beginning June 12, had all came back negative.