Control is usually not an issue for Keuchel, who came into the game with a 9-0 record and 1.13 ERA at home.
But in the second, he could not seem to hit his spots as he walked three, including one to force in a run.
The D-backs seemed to be one big hit away from blowing the game open, but after issuing a bases-loaded walk to Ender Inciarte, Keuchel got Nick Ahmed to ground out to end the inning.
"When you have your shots against those No.