There was a whole trial in Italy a few years back investigating the doping in the game. There's a whole chapter about in Paddy Agnew's Forza Italia. It's been a while since I read it but, AFAIR, Zidane was not charged in it. He was just asked to give evidence, along with Del Piero and other Juve/Serie A players. IIRC, the main loser was the Juve team doctor.
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