MLB free agency preview: What pieces will the Pirates add?

Post-Gazette sports writers Jason Mackey and Adam Bittner preview MLB free agency and moves the Pirates can and should make as baseball's hot stove season gets underway, with an emphasis on first base, catcher and the starting rotation. For six months of digital access to the Post-Gazette for just $6, visit the following link: https://my.post-gazette.com/purchase/...