Mariners add lefty reliever Caleb Ferguson in deal with Pirates for prospect

Editor’s Note: For the Mariners, this is a low-risk move to add depth to an already strong bullpen as they push for a playoff spot. Ferguson isn’t a flashy pickup, but he’s a reliable arm who could help in tight games. For the Pirates, it’s about banking on a prospect’s future rather than holding onto a reliever who might not be in their long-term plans. Not a blockbuster, but a sensible deal for both sides.