These games have seen the most rigorous drug testing ever. Traditional national performances have changed this year. Are we seeing a change in national performances?
Just a few to remember::
Mark McGuire, Sammy Sosa, Marion Jones, Tim Montgomery, Justin Gatlin, Jeremy Giambi, Floyd Landis, Rafael Palmeiro, Ricky Williams, Jose Canseco, Chris "The Birdman" Andersen
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