The Mattoon Phillies was the primary nickname for a minor league baseball franchise in Mattoon, Illinois. Mattoon was a founding franchise in the Midwest League and played in the leagues directly preceding the MWL: the Mississippi–Ohio Valley League (1949–1955) and the Illinois State League (1947–1948). The franchise is the oldest in the MWL, evolving into today's Fort Wayne TinCaps. Earlier, Mattoon had teams in the Eastern Illinois League (1907–1908), Kentucky–Illinois–Tennessee League (1906) and Indiana–Illinois League (1899). Mattoon was affiliated with the Chicago White Sox (1947), Cleveland Indians (1948), Cincinnati Reds (1952), Philadelphia Phillies (1953–1956) and Kansas City Athletics (1957). The team moved to Iowa and became the Keokuk Cardinals in 1958.