Lance Armstrong and the greatest cheats in sport Lance Armstrong's confession on Oprah last night that he used performance-enhancing drugs to win seven consecutive Tour de France titles confirmed what the world already knew. His elaborate system of cheating his way to success was arguably the most high-profile case of dishonesty in sporting history. However, he is by no means the first to use unscrupulous methods to gain an advantage, here we look at ten more of sport's biggest cheats... Click here or 'VIEW GALLERY' to launch the guide