The Arizona Diamondbacks came out of Milwaukee with a much uglier run differential than they did record. In a 2-1 series loss, the D-backs were outscored by a margin of 28-9. That type of performance is, of course, concerning, though there were also some positives to glean . Below is what this series told us about the D-backs, and the question that now burns as a result of the ugly series loss: What D-backs series loss to Brewers told us 1: Starting pitching is officially a major concern Apr 21, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks pitcher Merrill Kelly in the first inning against the Chicago White Sox at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images | Mark J. Rebilas-Imagn Images D-backs starters had been getting the job done for the most part early in the 2026 season. At the very least, they were able to go out and provide five or six innings, even with less-than-perfect run prevention numbers.…