Reports: Yankees likely to retire Nos. 51 and 20 soon - River Avenue Blues
Yankees also retiring numbers for Bernie Williams and Jorge Posada
4,888 New York Yankees Andy Pettite Photos & High Res Pictures - Getty Images
Bleeding Yankee Blue: RETIRING 21 ON 21!
Yankees retired numbers and the baseball legends who wore them
Bernie Williams, Jorge Posada, Andy Pettitte, and Willie Randolph to be honored in Monument Park - Pinstripe Alley
Yankees to retire Pettitte's No. 46 in August
The Greedy Pinstripes: When Will New York Run out of Jersey Numbers?
Yankees retired numbers: Paul O'Neill latest to be added to list
What Other Numbers Might the Yankees Be Retiring in the Near Future?
A number of nuggets about retired numbers around the Major League
Yankees Retired Numbers: 5 Fast Facts You Need to Know
Retirement of Jeter's number brings back many memories - New York Amsterdam News