100% polyester. 1989 World Series patch on the right sleeve. Team Elephant logo and black armband worn in honor of MLB Commissioner Bart Giamatti
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APNewsBreak: Mark McGwire admits using steroids - The San Diego Union-Tribune
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Barber: Could 1989 A's excel in today's MLB?
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Auction Details Backes Auctioneers
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Mark McGwire Oakland Athletics Fanatics Authentic Autographed 1989 World Series Logo Baseball with Battle of The Bay Inscription
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MLB -- Inside Kirk Gibson's World Series home run 30 years later - ESPN
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Oakland Athletics Autographed Baseball Memorabilia
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A's all-time best center fielders
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The Coolest Throwback Jersey to Own for Each MLB Team, News, Scores, Highlights, Stats, and Rumors
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Mark McGwire shuts down Jose Canseco's attempts to reconcile, Houston Style Magazine
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MARK McGWIRE Oakland Athletics 1989 Away Majestic Throwback Baseball Jersey
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Lot Detail - 1990 MARK MCGWIRE ALL-STAR GAME WORN OAKLAND ATHLETICS ROAD JERSEY W/ PANTS (NSM COLLECTION)