Dave Stewart wore A's No. 34 with Rollie Fingers' blessing. Now both will have it retired
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
NY Yankee Paul O'Neill's No. 21 to be retired on Aug. 21
New York Yankees retired Paul O'Neill's No. 21 jersey
The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
New York Yankees Retired Numbers - Sports Illustrated
The Cubs should retire several more jersey numbers - Bleed Cubbie Blue
List of Major League Baseball retired numbers - Wikipedia