Cycling: Doping claims rejected
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Lance Armstrong angrily defends his reputation in the wake of more doping claims by two former team-mates.
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A spokesman for baseball pitching great Roger Clemens rejected on Thursday new claims of evidence that Clemens used performance-enhancing drugs.
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Floyd Landis says he didn't cheat to win the Tour de France, he doesn't know why he tested positive for high testosterone and he's sure he can clear his name. Even if he does, the American cyclist said, the disgrace of doping will probably follow him forever.
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Doping allegations have dogged cycling and 2006 Tour de France winner Floyd Landis for the past year, leaving the sport reeling on the eve of the Tour.
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Olympic time trial champion Tyler Hamilton has been suspended by his Phonak team after failing a dope test. The American, who tested positive for blood doping at the Olympics and the Tour of Spain, is waiting for the results of his &quot;B&quot; samples.
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Before the third stage of the Tour de France began Tuesday, 53 competitors submitted blood tests for doping tests. There were no abnormal parameters found and all were deemed apt to race.
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Olympic time trial champion Tyler  Hamilton has been cleared of any doping offence at the Athens  Olympics, the International Olympic Committee (IOC) said  Thursday.
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Halfway through the Tour de France, no compelling newcomer has broken through, no favorite has emerged and doping allegations have surfaced yet again. Cedric Vasseur became the first French rider to win a stage this year, but his victory and the Tour were overshadowed by the announcement of the doping test on cyclist Patrik Sinkewitz during a training session last month that turned up high levels of testosterone.
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US cyclist Tyler Hamilton will keep his gold medal from the Athens Games even though a test found illegal blood doping, the International Olympic Committee said.
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Tyler Hamilton's cycling team told he failed tests
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LONDON (Ticker) - American gold medal-winning sprinter Marion Jones has denied new allegations she has used performance-enhancing drugs.
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GRANADA, Spain  - Lance Armstrong's former team   manager has described claims by one of the seven-times Tour de   France winner's team mates that he took a banned blood booster   while preparing for the 1999 race as "unfounded."
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Armstrong might not compete in 2005 Tour de France: In his strongest comments yet on next year&#39;s Tour de France, Lance Armstrong said he is unsure if he will ride in the sport&#39;s showcase event because he would like to compete in other races.
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MADRID, Spain - Olympic time-trial cycling champion Tyler Hamilton of the United States has apparently failed tests designed to detect a form of performance-enhancing blood transfusions.    A spokesman for Hamilton's team, Phonak, said Tuesday that tests on Aug...
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Martina Hingis's appeal against a positive doping test is rejected and she has been banned for two years.
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Another sweet sports story turned sour with the news that Olympic cycling champion Tyler Hamilton tested positive for blood doping.
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The International Olympic Committee said US cyclist Tyler Hamilton can keep his gold medal from the Athens Olympics. Hamilton tested positive for signs of blood doping in his initial test last month in Athens