The Spaniard bettered Froome 's time by 13 seconds .
Richie Porte ( BMC ) positioned himself in second place between Froome 's two former captains , six seconds down on the winner .
The Spaniard bettered Froome 's time by 13 seconds and Richie Porte ( BMC ) positioned himself in second place between his two former captains , six seconds down on the winner .