What if the New York Yankees never retired Billy Martin's #1?

Late Yankees George Steinbrenner, Billy Martin among veteran committee picks for Hall of Fame ballot – New York Daily News

MLB: The New York Yankees are running out of numbers to issue

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

Billy Martin – Society for American Baseball Research

What if the New York Yankees never retired Billy Martin's #1?

Retired Numbers and The Yankees - NBC Sports

Yankees mailbag: Now is not the time to give up on Clint Frazier

Biography - The Official Licensing Website of Billy Martin

Yankees retired numbers and the baseball legends who wore them

25 years later, remembering Billy Martin's sudden and shocking death

Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times