As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
Yankees retired numbers - Newsday
Mariano Rivera's number retired by Yankees - Newsday
Derek Jeter will be final single-digit number retired by Yankees
Yankees retired numbers - Newsday
Mariano Rivera's number retired by Yankees - Newsday
Yankees Retire Jorge Posada's No. 20, With a Nod to No. 15 - The
Mariano Rivera's number retired by Yankees - Newsday
Derek Jeter joins other Yankees legends' retired numbers
Mariano Rivera's number retired by Yankees - Newsday
Yankees retired numbers and the baseball legends who wore them
New York Yankees - Wikipedia