The Cubs' road uniforms had centered numbers in 1972. Here's why
Uni Watch: Cubs uni history - ESPN Page 2
MLB Jersey & Cap History
MLB Mixtape Edition (Defunct Teams 1/3) - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums
MORE
The best players to wear every jersey number in baseball history - The Athletic
The Cubs' road uniforms had centered numbers in 1972. Here's why - Bleed Cubbie Blue
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Chicago Cubs Uniform and Team History
Wrigley Wax: #23 - Carmen Fanzone
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Chicago Cubs Uniform and Team History
The Definitive 2022 MLB Jersey Power Rankings, News, Scores, Highlights, Stats, and Rumors
Here's the worst jersey in Cubs history - Bleed Cubbie Blue
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
The Changing Game, Part 5. A comprehensive look at “the unchanging…, by John Thorn