Óscar Pereiro Sío (pronounced [ˈoskaɾ pe'rejro ˈsi.o]; born 3 August 1977) is a Spanish former professional road bicycle racer. Pereiro was declared the winner of the 2006 Tour de France, after the original winner Floyd Landis was disqualified for failing a doping test after his stage 17 victory. Pereiro is a former member of Porta da Ravessa (2000 to 2001), Phonak Hearing Systems (2002 to 2005), Caisse d'Epargne (2006 to 2009), and the Astana cycling team (2010). After retiring from cycling in 2010, Pereiro joined his local part-time football club Coruxo FC of the Segunda División B.