- Card series: Beginnings: 1880's
- City: St. Paul
- Team: Apostles
- League: Western Association
George W. Treadway (1866-1928) hit .328 with 26 triples and 102 RBI for the Brooklyn Grooms in 1894. That was the high-water-mark of a brief 3+ year ML career. Treadway knocked around the minors for several more years before retiring in California from the Pacific Coast League. Treadway was a target of racial slurs and rumors that he was passing for white. The gossip was printed by a Louisville paper and may have caused his trade from Baltimore to Brooklyn. If it was a spiteful move, Treadway commanded a high price: he and another player were traded for Hall of Famers Dan Brouthers and Willie Keeler.
- A noted biography of Joe Jackson asserted Treadway was “driven out of baseball” by the accusations—belied by the lengthy minor league career he pursued until age 37