Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
Should the New York Yankees retire Alex Rodriguez's number?
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Yankees Retired Numbers
MORE
Rich tradition of retired numbers part of game's legacy
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
All Yankees retired numbers: The Bronx Bombers
Zero single-digit numbers in the Bronx? Actually, there's still one left - ESPN
Should Alex Rodriguez's Number Be Retired?
Yankees retired numbers and the baseball legends who wore them
Number 21 Continues to Remain Sacred to the New York Yankees, News, Scores, Highlights, Stats, and Rumors
The Yankees' appearance policy and why it should stay, Bronx Pinstripes
Yankees Flex On MLB With Unique Request As They Run Out Of Numbers