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Italy's Vincenzo Nibali of team Astana celebrates as he crosses the finish line to win the 19th stage of the 99th Giro d'Italia, Tour of Italy, from Pinerolo to Risoul on May 27, 2016. Pre-race favourite Nibali had been thought to be dead and buried on this Giro after dropping to fifth, but is now just 44seconds off new leader Chavez, in second place, ahead of another mountain stage on Saturday. / AFP / LUK BENIES (Photo credit should read LUK BENIES/AFP/Getty Images)

Italy's Vincenzo Nibali of team Astana celebrates as he crosses the finish line to win the 19th stage of the 99th Giro d'Italia, Tour of Italy, from Pinerolo to Risoul on May 27, 2016. 
Pre-race favourite Nibali had been thought to be dead and buried on this Giro after dropping to fifth, but is now just 44seconds off new leader Chavez, in second place, ahead of another mountain stage on Saturday.
 / AFP / LUK BENIES        (Photo credit should read LUK BENIES/AFP/Getty Images)