Vincenzo Nibali wins final stage to claim overall victory; Bradley Wiggins suffers mechanical
Ivan Santaromita wins stage; Bradley Wiggins up to third overall ahead of final showdown
Team Sky's Siutsou wins on summit finish; Wiggins climbs to fourth overall
Team Sky win team time trial; Josef Cerny leads race after day one
Wiggins, Evans, Nibali, Scarponi and Basso to go head-to-head
