The Nandrolone cases will never be well explained, it wasn't only Guardiola at the time, more players in Italy at the time had some problem, like Couto or Stam, the rest regarding suspitions about Barcelona and Segura, ok, but where are the proofs?
And if we talk about doping regarding football, clearly City is not the only one involved in this, strange fact is only coming with this regarding this season, last season they didn't doped I guess?
Don't know, maybe one day something credible will come from this, untill there we are speculating with something posted on a Twitter account, but ok everyone is entitled to their own opinion, I will stay out of this subject, not enough knowledge regarding this matter.