Alejandro Valverde Tour de France 2007 st 5

Just 24 hours before the Court of Arbitration for Sport in Switzerland decides if Spain?s Alejandro Valverde's can take part in the World Championships, the judge responsible for Operacion Puerto has cleared the Spaniard of any implication.

According to Tuesday's edition of Spanish sports newspaper Marca, Judge Antonio Serrano - who had previously declared that all evidence from Puerto, including blood bags, cannot be used for sporting sanctions - has issued a legal certificate stating that Valverde is not implicated in Puerto.

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