Retired Numbers Oakland Athletics
Dave Stewart still waiting for number to be retired by A's - The San Diego Union-Tribune
Jed Lowrie officially retires - Athletics Nation
Six Baseball Stars Get Singular Honor As Teams Will Retire Their Jerseys
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El Toro High retires Matt Chapman jersey during alumni game – Orange County Register
Retired Uniform Numbers in the American League
Retiring a number not as easy as it seems
Men's Oakland Athletics Nike White Home Pick-A-Player Retired Roster Replica Jersey
Oakland Athletics' History: Four Numbers the A's Should Retire