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2007 Tour de France winner Alberto Contador and fellow Spaniard Alejandro Valverde are at the top of the list of riders the Italian Olympic Committee?s anti-doping prosecutor Ettore Torri wants to question as he investigates the implications of Operacion Puerto in Italy.

Last week the Procura anti-doping investigators announced they had new evidence from the Spanish judge handling the case and said they would investigate Dr Eufemiano Fuentes and question the 50 riders who allegedly worked with him.

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Founded in 1891, Cycling Weekly and its team of expert journalists brings cyclists in-depth reviews, extensive coverage of both professional and domestic racing, as well as fitness advice and 'brew a cuppa and put your feet up' features. Cycling Weekly serves its audience across a range of platforms, from good old-fashioned print to online journalism, and video.