Kubel and Hill both came up a double short of hitting for the cycle in the 17-hit Arizona uprising, which ended with the Diamondbacks winning for the fourth time in their last six games.
Jeremy Guthrie (3-4) was lit up for seven runs on 11 hits in 3 1/3 innings.
Marco Scutaro had two hits in the loss for the Rockies, who had won seven of their last eight games. Colorado left 10 men on base.
Arizona led 7-0 after four innings and tacked on three more in the bottom of the eighth.