List of National Basketball Association retired numbers - Wikipedia
The lucky number is so awesome that the Mets decided to retire it
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired
Future MLB jersey numbers likely to be retired
2-Digit Oval Car Year Stickers - Blue
Dirk Nowitzki Dallas Mavericks Fanatics Exclusive Parallel Panini
With Derek Jeter's number retired, Yankees shouldn't be retiring
Retired - Department of Retirement Systems
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired