Yanks to retire numbers for Williams, Pettitte, Posada

Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed – KXAN Austin

Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times

New York Yankees: The Numbers on the Wall

Yankees Retired Numbers: 5 Fast Facts You Need to Know

Rawlings Sporting Goods - New York Yankees fans will see these official commemorative retirement baseballs on the field this weekend! They're specially designed to celebrate Andy Pettitte, Bernie Williams and Jorge Posada.

Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more

A number of nuggets about retired numbers around the Major League

Yankees Will Retire Numbers for Jorge Posada, Bernie Williams, Andy Pettitte - WSJ

Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday

Yankees to retire numbers of Pettitte, Williams, Posada - Sports Illustrated

Yankees next retired number prediction

Andy Pettitte - Wikipedia

Yankees also retiring numbers for Bernie Williams and Jorge Posada

Which Phillies numbers should be retired? - The Good Phight

Monday Funnies: How many numbers are the Yanks gonna retire, anyway?, The Cub Reporter (TCR)