Jason Giambi is the oldest player to hit a walk-off homer - NBC Sports
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Giambi on ninth career walk-off home run
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Jason Giambi - Wikipedia
Giambi homers twice on 2000 Opening Day
2,279 Player Jason Giambi Stock Photos, High-Res Pictures, and
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Giambi's walk-off grand slam, 05/17/2002
In the movie Moneyball, Billy Beane (Brad Pitt) said Jason Giambi
Giambi hits stunning 9th-inning walk-off HR for Indians