Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Source: No decision yet about when Derek Jeter's No. 2 will be
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Retired number - Wikipedia
Yankees want to stop issuing uniform numbers to managers, coaches
Yankees Retired Numbers
Judge hits 3 home runs, becomes first Yankees player to do it
Have the NY Yankees retired too many numbers? - Quora
Why the Phillies should change their policy on retiring numbers
The second-best Yankee to wear each retired number - Part One
A number of nuggets about retired numbers around the Major League