Paul O'Neill Yankees No. 21 retired
The second-best Yankee to wear each retired number - Part One
Yankees next retired number prediction
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed – WATE
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Fresno State to retire jerseys of Judge, Batesole in November
Yankees retired numbers and the baseball legends who wore them
Yankee Retired Numbers: The All-Time Numerical Lineup of Yanks
What should the Yankees do once they run out of numbers
Aaron Judge - Wikipedia
The Cubs should retire several more jersey numbers - Bleed Cubbie Blue