Shane Warne Drug Test Failure Before 2003 World Cup

On the eve of the 2003 Cricket World Cup in South Africa, Shane Warne was sent home after testing positive for a banned diuretic (hydrochlorothiazide). Warne, who had been expected to be a key player for Australia's defense of their World Cup title, was immediately stood down.

Warne claimed he had taken a fluid tablet given to him by his mother to improve his appearance before media commitments. He said he wanted to lose some weight for the cameras and did not know the substance was banned. While the explanation was widely ridiculed, the ACB Anti-Doping hearing accepted that Warne did not take the substance to enhance performance.

Warne was banned for one year from all cricket. The ban ruled him out of the 2003 World Cup, which Australia went on to win without him. He returned to cricket in 2004 and continued his legendary career, eventually retiring in 2007 with 708 Test wickets.

While not directly a match-fixing incident, the failed drug test added to the cloud over Warne's integrity, following the earlier revelation of his payments from a bookmaker. The diuretic positive raised questions because such substances can be used as masking agents for other drugs, though no evidence of this was ever found in Warne's case.