Yestino - The Signal · Isaac Mattsonhttps://yestino.com/entities/isaac-mattson-590ea0Every event involving Isaac MattsonenPirates place right-hander Isaac Mattson on injured list, recall lefty Brandon Eiserthttps://yestino.com/events/pirates-place-right-hander-isaac-mattson-on-injured-list-rec-88faafhttps://yestino.com/events/pirates-place-right-hander-isaac-mattson-on-injured-list-rec-88faafTue, 08 Sep 2026 23:08:08 GMTThe Pittsburgh Pirates placed right-handed reliever Isaac Mattson on the 15-day injured list before Tuesday's game against the White Sox with right hip inflamm… Sources: Yahoo Sports