Which specific uniform numbers have not been retired by any of the

Buckley: If it feels right, like with Paul Pierce, retire the number – Boston Herald

Five SEC legends who deserve to have their numbers retired

The Athletic] The Yankees have asked MLB if they can stop issuing uniform numbers to their manager and coaches because they're running out of numbers that aren't retired : r/baseball

Next retired number for every MLB team

Detroit Tigers to retire numbers of Jack Morris, Alan Trammell in 2018

Every MLB team's retired numbers

Players now have jersey numbers, and teams can retire jersey numbers of former players « Blog « ZenGM

Retired jerseys - BYU Athletics - Official Athletics Website - BYU Cougars

Will Lakers retire both of LeBron James' jersey numbers when he hangs it up? - Los Angeles Times

Best player who doesn't have their jersey retired for each NBA team

Detroit Tigers retired numbers

Alexander: There's no single standard for retired numbers – Orange County Register

Which jersey numbers should actually be retired for the Utah Jazz? - SLC Dunk