The Arizona Diamondbacks lost their third straight series on Thursday afternoon, dropping two of three games to the Pittsburgh Pirates. Though it is still early, there are officially some serious concerns about what's taking place on the field, and those issues were highlighted in this series. Below are two main takeaways, plus a burning question from Arizona's most recent series loss. What D-backs series loss to Pirates told us 1: Starting pitching starting to level out Apr 22, 2026; Phoenix, Arizona, USA; Arizona Diamondbacks starting pitcher Eduardo Rodriguez (57) throws against the Chicago White Sox in the first inning at Chase Field. Mandatory Credit: Rick Scuteri-Imagn Images | Rick Scuteri-Imagn Images The Diamondbacks had not seen a starting pitcher go six innings since their series against the Toronto Blue Jays. The rotation had not only been a source of concern, it was entirely ineffective for two turns. That flipped almost immediately in this series, and to an extreme degree.…