Jason Giambi retires after controversial career with Yankees, A's - Sports Illustrated
Jason Giambi, former Rockies 1B, announces retirement – The Denver Post
Former Royals player Jeremy Giambi dies at the age of 47 - Royals Review
Ex-Athletics star Jason Giambi announces retirement
Jason Giambi retires from Major League Baseball
Jason Giambi retires after 20 seasons
Former Royals player Jeremy Giambi dies at the age of 47 - Royals Review
Giambi keeps streak alive – Boulder Daily Camera
Jason Giambi retires from MLB - ABC7 New York
Jason Giambi - Wikipedia
Revisiting Jason Giambi's 2005 comeback season - Beyond the Box Score
Former outfielder Jeremy Giambi dies at 47