A double whammy has the Rockies searching for answers. In the first game of Monday’s doubleheader at Coors Field, the Rockies couldn’t pitch, nor could they hit. In the second game, they pitched fine, but couldn’t hit. And so the Giants swept away the sliding Rockies, winning 19-2 in Game 1 and 2-1 in the nightcap. “It’s frustrating, because we pitched well,” manager Bud Black said of the second game in which a quartet of Rockies pitchers gave up only six hits.