Mitch Keller had only one stint on the injured list, a six-week stretch with a left oblique injury, and had never experienced an arm injury in his professional baseball career. I wanted to finish out the year and help us, but not going to happen,” Keller said before Saturday’s game against the New York Mets. Pirates manager Don Kelly called it “really surprising” to see Keller get injured, given his history of staying healthy. Keller had a combined 10 strikeouts against three walks in the two starts and wanted to help the Pirates make a playoff push. “I thought my first two starts back from the break were really good.