The Chattanooga Choo-Choos were a minor league Negro league baseball team based in Chattanooga, Tennessee. The team was a member of the Negro Southern League, which was considered a minor league for the duration of the Choo-Choos' affiliation, and fielded a team from 1940 until 1946. The Choo-Choos played their home games at Engel Stadium. The team is noted as the first professional baseball organization for which Hall of Famer Willie Mays played.