Italian-born Dettori failed the doping control after a meeting at the famous Longchamps race course in Paris on September 16.

CNN: STORY HIGHLIGHTS

"At these selected matches, four players are to undergo a doping control and out of those selected, one is drawn for EPO, " continued the statement.

CNN: Soccer joins battle against doping

Armitage's ban had been reduced from 12 weeks to eight on account of what Blackett described as "his remorse, his letter of apology to the doping control officer and his relatively good record".

BBC: Delon Armitage ban appeal dismissed by RFU

Dr Shuabe Manjra, Chairperson of the South African Institute for Drug Free Sport (SAIDS), under whose auspices random tests are done by qualified doping control officers, says marijuana does not enhance the performance of a player.

BBC: SPORT | Football | African | SA goes tough on drugs

He was joined by fellow grand slam winners Roger Federer, Novak Djokovic and Rafael Nadal in demanding stricter tests and in March the International Tennis Federation announced it would be introducing a Biological Passport program - a more stringent control against doping.

CNN: Murray condemns 'cover up' in Operation Puerto doping case

Even though he rejected the doping allegations brought by USADA, he lost control of his narrative, and now there is only the thinnest of sympathy.

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Dodger officials tried to control the nasty stuff, especially displays related to the doping allegations against Bonds.

NPR: Major League Baseball Milestones Delayed