Jason Giambi - Wikipedia
Giambi announces retirement after 20 seasons
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive
Jason Giambi announces retirement from MLB, calls career 'incredible journey' - ESPN
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive
A's stalwart Eric Chavez looks to manage, as does another ex-A who might surprise you – Daily Democrat
Top 5 “Non-Moves” of the Last 25 Years - Pinstripe Alley
Jason Giambi retires after 20 seasons
Oakland A's Jeremy Giambi passes away at 47 - AS USA