Retired Uniform Numbers in the National League
Ole Miss baseball to retire Don Kessinger's jersey number - The Oxford Eagle
Fascinating Aspects About the Retired Uniform Numbers of the Detroit Tigers – Society for American Baseball Research
Barry Bonds to have No. 25 retired by the Giants
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Willie O'Ree's number retired by Boston Bruins
Yankees retired numbers
Southern California teams' retired numbers – Orange County Register
Every MLB team's retired numbers – NBC Sports Chicago
Los Angeles Dodgers to retire Fernando Valenzuela's No. 34 jersey
MLB® The Show™ - MLB® The Show™ 23 Celebrates Fernando “El Toro” Valenzuela's Number Retirement
20 MLB players that could retire after the 2023 season