Every MLB team's retired numbers – NBC Sports Chicago
Judge hits 3 home runs, becomes first Yankees player to do it twice in one season – NewsNation
Zero single-digit numbers in the Bronx? Actually, there's still one left - ESPN
New York Yankees - Wikipedia
The Worst Players to Wear Each of the 21 Retired Yankees Numbers - Sports Pickle
The New York Yankees Could Run Out of Jersey Numbers After Retiring Them - What Happens Next? - EssentiallySports
You Know You're a REAL Yankee Fan When…
Ranking the 10 Best New York Yankees Players of All Time, News, Scores, Highlights, Stats, and Rumors
HALLOWED GROUND: Monument Park, New York Yankees Museum honor greatest players from most legendary team in sports - Sports Collectors Digest
Yankees, Eager to Retire Numbers, Subtract Options for Current Players - The New York Times
US Bronze Created the Plaques of Yankees' Monument Park
How many teams in the NBA have retired number 23?