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Jason Giambi says he's retiring after 20 seasons in majors - Las
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Most career walk-off home runs in MLB history
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Oakland A's Hall of Fame class spans from Giambi to Tenace and beyond
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Off Topic: What is Jason Giambi's Legacy?
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MLB players who starred for USA - Sports Illustrated
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Jason Giambi - Wikipedia
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A's great Jason Giambi favors team's move to Las Vegas
In the movie Moneyball, Billy Beane (Brad Pitt) said Jason Giambi
Retired slugger Jason Giambi knocks out a home sale outside of Las
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Jason Giambi Reinvents Himself, and Baseball Is Intrigued - The