Do You believe Roger Clemens' denial of ever using steroids, HGH or any other illegal substance?

Roger Clemens, winner of seven Cy Young awards and widely acknowledged as the greatest pitcher of his generation, denied on tueday, via a statement issued by his agent, that he ever used steroids, Human Growth Hormone or any other banned performance-enhancing substance. Clemens was named by the Mitchell Report on drugs in baseball, as having used banned substances since the late 90's. Clemens, now 45, has credited his unprecedented dominance at such an advanced age to a rigorous training regimen.