Six riders have been disqualified by the US Anti Doping Agency for six months
Levi Leipheimer (Omega Pharma-QuickStep), Christian Vande Velde (Garmin-Sharp), David Zabriskie (Garmin-Sharp), Tom Danielson (Garmin-Sharp), Michael Barry (Sky) and George Hincapie (BMC) have also been disqualified from races they competed in while doping as part of the investigations concerning Lance Armstrong (pictured below)and the US Postal Team.
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