![Retired Uniform Numbers in the American League](https://baseballhall.org/sites/default/files/Irvin-PF-Cropped.jpg)
History of retired numbers dates back to Lou Gehrig Day
![Retired Uniform Numbers in the American League](https://i.pinimg.com/736x/16/e3/4f/16e34f615138e68792c10c3432f96229.jpg)
Bill Haller: He wore uniform number 1 from 1980 through 1982 after
![Retired Uniform Numbers in the American League](https://upload.wikimedia.org/wikipedia/commons/7/73/Yankees_retired_numb_monument_park.jpg)
List of Major League Baseball retired numbers - Wikipedia
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Yankees' A-Rod Says He'll Retire After 2017 Season : The Two-Way : NPR
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Last player to wear No. 42 for each MLB team
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Dodgers are finally retiring Fernando Valenzuela's number - Los
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Joe Namath would allow Aaron Rodgers to wear retired number with Jets
![Retired Uniform Numbers in the American League](https://www.baseball-almanac.com/images/Minnesota_Twins_Retired_Numbers.jpg)
Retired Uniform Numbers in the American League
![Retired Uniform Numbers in the American League](https://baseballhall.org/sites/default/files/Niekro%20jersey_0.jpg)
History of retired numbers dates back to Lou Gehrig Day
![Retired Uniform Numbers in the American League](https://www.baseball-almanac.com/images/Oakland_Athletics_Retired_Numbers.jpg)
Retired Uniform Numbers in the American League
![Retired Uniform Numbers in the American League](https://img.bleacherreport.net/img/images/photos/001/860/536/hi-res-150743337_crop_exact.jpg?w=3072&h=2048&q=75)
The Greatest MLB Players of All Time to Wear Each Number from 1 to
![Retired Uniform Numbers in the American League](https://www.baseball-almanac.com/images/New-York-Mets-Retired-Numbers3.jpg)
Retired Uniform Numbers in the National League