Spanish mountain biker Alberto Leon who was linked to doping rings found dead - ESPN

Spanish mountain biker Alberto Leon who was linked to doping rings found dead - ESPN: "Former mountain bike rider Alberto Leon, accused of forming part of two separate doping rings in Spain, was found dead Monday, a spokesman for the Civil Guard said.

The 37-year-old Leon was one of 14 people implicated in the Spanish Civil Guard's anti-doping investigation Operation Galgo that cited him as a supplier of performance-enhancing drugs.

Leon also had been implicated in Operation Puerto, a doping investigation that began in 2006 and led to the banning of cyclists Alejandro Valverde and Ivan Basso.

A Civil Guard spokesman from San Lorenzo del Escorial -- the town near Madrid where Leon lived -- confirmed his death to The Associated Press on Monday. The spokesman would not give his name in compliance with departmental rules and would not confirm details of his death."

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