The Cubs' road uniforms had centered numbers in 1972. Here's why - Bleed Cubbie Blue
MLB Jersey & Cap History
Chicago Cubs Uniforms by Baseball Almanac
Chicago Cubs Uniforms by Baseball Almanac
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
MLB Jersey & Cap History
MLB Jersey & Cap History
Chicago Cubs (Baseball team) posters for sale
MLB Jersey & Cap History