File:Packers retired number 14.svg - Wikipedia
Retired number - Wikipedia
File:Padres Retired Number 19.png - Wikimedia Commons
File:KBO Retired Hanwha 35.svg - Wikipedia
File:Red Sox 14.svg - Wikimedia Commons
File:Red sox retired 4.png - Wikipedia
File:Mets retired 24.svg - Wikipedia
File:New Jersey Jackals Retired numbers.jpg - Wikipedia
Los Angeles Chargers retired numbers - Wikipedia