Jason Giambi retires after 20 seasons
Jason Giambi announces retirement from MLB, calls career 'incredible journey' - ESPN
Athletics and Yankees connections go way back
Jason Giambi retiring after 20 years in Major League Baseball
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive
Jason Giambi retires after 20 seasons
Jason Giambi knows his future is back in an MLB dugout — just not yet
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Jason Giambi Retires: Latest Details, Comments and Reaction, News, Scores, Highlights, Stats, and Rumors
Yankees 2-4 Athletics (Aug 12, 2001) Game Recap - ESPN
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive