Team Saxo Bank's Alberto Contador of Spain cycles during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Katusha Team's Joaquin "Purito" Rodriguez of Spain (L) and Team Saxo Bank's Alberto Contador of Spain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Team Saxo Bank's Alberto Contador (L) of Spain and Sky Procycling's Christopher Froome of Britain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Team Saxo Bank's Alberto Contador (C) of Spain, Sky Procycling Christopher Froome (L) of Britain and Katusha Team's Joaquin "Purito" Rodriguez of Spain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Team Saxo Bank's Alberto Contador (R) of Spain, Sky Procycling Christopher Froome (C) of Britain and Katusha Team's Joaquin "Purito" Rodriguez of Spain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Sky Procycling's Christopher Froome (L) of Britain, Movistar Team's Alejandro Valverde (C) of Spain, and Team Saxo Bank's Alberto Contador of Spain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Movistar Team's Alejandro Valverde of Spain (C) rides behind Katusha Team's Joaquin "Purito" Rodriguez of Spain during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)

Sky Procycling's Christopher Froome (L) of Britain and Team Saxo Bank's Alberto Contador of Spain cycle during the eighth stage of the Tour of Spain "La Vuelta" cycling race between Lleida and Andorra August 25, 2012. REUTERS/lavuelta/Pool (ANDORRA - Tags: SPORT CYCLING)