Pantani

"Indurain tested positive after the Tour de L'Oise on 15 May for the drug Salbutamol, which is found in some inhalers used by asthma sufferers. However, it is banned altogether by the French sports ministry." http://www.independent.co.uk/sport/drugs-in-sport-games-weightlifter-fails-test-canadian-stripped-of-bronze-medals-1379569.html

So, though not punished, he was caught taking banned drugs. Case closed. I win. Pub time.

Not quite pub time ...yet! did you read the whole article....I have quoted a bit of it:

Miguel Indurain, the four- times Tour De France winner, should not be punished for testing positive for a drug banned in France, according to Prince Alexandre de Merode, the head of the International Olympic Committee's medical commission.
De Merode said yesterday he had spoken to the International Cycling Union and supported their position that Indurain was taking a drug that both the IOC and UCI allowed sportsmen with asthma to use.
'Any punishment of this sportsman would be unfair,' de Merode said. 'I entirely support the international cycling federation that there was no case of doping.'

Notice the last sentence includes the phrase 'no case of doping'

You will need to try harder!