Which drawing largely from a successful American Cast Iron Pipe Company Industrial League team , the Black Barons were organized in 1920 for the inaugural season of Rube Foster 's Negro Southern League .
Which operated mainly as a minor league .
Drawing largely from a successful American Cast Iron Pipe Company Industrial League team , the Black Barons were organized in 1920 for the inaugural season of Rube Foster 's Negro Southern League , which operated mainly as a minor league .