Diamondbacks lose third straight as Rockies tag ineffective Robbie Ray

DENVER – Robbie Ray paused, blinked and considered the question, waiting a full six seconds to respond. The question, in so many words, had a simple premise: What went wrong? Ray did not seem to know.

It was a moment that could serve as a kind of microcosm for May, a month that, for the second year in a row, has confounded the Diamondbacks, whose struggles continued on Wednesday night with a 5-4 loss to the Colorado Rockies.

Lately, the Diamondbacks have not had many answers. They have lost three times in as many days at Coors Field. They also have lost 12 of their past 18 and 15 of 23. Their offense, seemingly unstoppable for stretches in April, has gone silent. Their bullpen has been, in…