Headed by Olympic time-trial champion Hamilton, who also has much to prove after a difficult Tour, they have pulled out all the stops for the event.

BBC: Top names primed for Vuelta

All eleven of his former Postal Service teammates (Landis, Tyler Hamilton, close friend George Hincappe who was present at all 7 tour de France victories) verified an elaborate doping program which would have required many enablers.

FORBES: Lance And Oprah Sittin' In A Tree

The public statements by Mr. Hamilton, 40, who raced alongside Mr. Armstrong in the Tour de France for three seasons, come almost exactly one year after The Wall Street Journal first disclosed that cyclist Floyd Landis had sent a series of emails to cycling officials and sponsors claiming that he and Mr. Armstrong allegedly participated in doping.

WSJ: Second Cyclist Accuses Lance Armstrong of Allegedly Using Banned Substances