Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
Yankees retire Posada's No. 20
NEW YORK METS CITI FIELD SHEA STADIUM RETIRED NUMBERS PHOTO POSTER TICKET JERSEY
New york yankees retired yankees hi-res stock photography and images - Page 2 - Alamy
New York Yankees: 5 numbers that need to be un-retired
Zero single-digit numbers in the Bronx? Actually, there's still one left - ESPN
Paul O'Neill Number Retirement Raises Debate - Last Word On Baseball
Can we name every Yankees Retired Number in numerical order?