There has been an ongoing investigation on steroid use by baseball players which includes some of the biggest names in that game.

We have a professional football quarterback accused of running a dog-fighting ring, a professional basketball referee accused of fixing games which he officiated and now the Tour de France bicycle sport has had to remove two teams and four leaders of the current Tour de France for various reasons, most having to do with doping.

Chaos and disgrace enveloped the Tour de France early Thursday after the event’s overall leader, Michael Rasmussen, was removed from the race by his Rabobank team for lying about where he was training.

The announcement came hours after Rasmussen, who had already been riding under suspicion of doping, won the 16th stage Wednesday and appeared to be in position to claim the championship of cycling’s most prestigious event on Sunday in Paris. The news came shortly after the withdrawal of a second team in two days from the Tour amid the ever-widening doping scandal that has rocked the sport since last year’s champion, Floyd Landis, was found to have failed a drug test on his way to the title.

This year’s Tour has lost at least two teams, the winners of four stages and the overall leader. But organizers have so far said the event would not be canceled. Doing so, said Patrice Clerc, the president of the company that organizes the Tour, would mean victory for the riders who violate the rules.

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