Lamar Jackson's jersey No. 8 will be retired by Louisville football
NFL Relaxes Restrictions on Jersey Numbers - The New York Times
Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
Dolphins retired jersey numbers: Time to formalize Jason Taylor
10 New York athletes who deserve to have their numbers retired
Washington announces they are retiring Sean Taylor's jersey number
List of National Basketball Association retired numbers - Wikipedia
List of National Football League retired numbers - Wikipedia
I was researching team statistics on PFR and noticed they added