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

No. 1's Son: Billy Martin, Jr. - BallNine

This Day in Yankees History: Billy Martin's Four RBI Clinch Pennant, Foreshadow Fall Classic- September 14, 1953 - Pinstripe Alley

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

Book Review: 'Billy Martin: Baseball's Flawed Genius' by Bill Pennington - WSJ

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

Jeter returns as Yankees honor 1998 team at Old-Timers' Day, Boone booed by some

Why the New York Yankees should retire Alex Rodriguez's number

On this day in Yankees history - Billy Martin's back. Again, Bronx Pinstripes

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

Billy Martin - 1954 - #1 - - Database of Yankee Uniform Numbers Through the Years

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

New York Yankees: 5 numbers that need to be un-retired

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

New York Yankees retired numbers: Is team too generous? - Sports Illustrated

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