Aberdeen Boosters - South Dakota - Vintage Defunct Baseball Teams - 3/4 Sleeve Raglan T-ShirtAberdeen's Boosters brought organized baseball to the South Dakota plains, entering the Class D South Dakota League in 1920. Small town minor league clubs like this were the backbone of American baseball, giving rural communities a shared identity and summer purpose. Some teams lasted decades, others only seasons, but each one mattered to the people who showed up. Part of our Defunct Baseball collection, inspired by the vintage Minor League teams of