Retired Numbers Oakland Athletics
Oakland A's retire World Series MVP Dave Stewart's No. 34
Dave Stewart (baseball) - Wikipedia
Every MLB team's retired numbers – NBC Sports Bay Area & California
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Dave Stewart attracts A-list of luminaries for A's jersey retirement ceremony
New York Yankees: 5 numbers that need to be un-retired
A's Stephen Vogt to retire after 2022 season
Red Sox Retire Jim Rice's No. 14 - Los Angeles Times
Retired Uniform Numbers in the American League
What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
Oakland A's rookies and their 2017 jersey numbers - Athletics Nation
List of Major League Baseball retired numbers - Wikipedia
Retiring a number not as easy as it seems