The Cubs' road uniforms had centered numbers in 1972. Here's why
MLB Mixtape Edition (Defunct Teams 1/3) - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
Cincinnati Reds - Wikipedia
MORE
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
MLB Jersey & Cap History
Revealed: The Story Behind the Cubs’ 1972 Road Uni
Here's the worst jersey in Cubs history - Bleed Cubbie Blue
Uni Watch: Cubs uni history - ESPN Page 2
MLB Jersey & Cap History
Fortunately, I Already Have Plans for That Day
Revealed: The Story Behind the Cubs’ 1972 Road Uni
Uni Watch: Celebrating 100 years at Wrigley Field - ESPN