Jason Giambi returns to roots with Oakland A's - The San Diego
Jason Giambi retires after 20-year career - Sports Illustrated
Jason Giambi retiring after 20-year career with A's, Yankees
Former Athletics outfielder Jeremy Giambi shot himself in apparent
Jason Giambi - Wikipedia
Jason Giambi Retires - MLB Trade Rumors
Former A's star Eric Chavez retires – The Mercury News
Jason Giambi - Wikipedia
Jason Giambi retires after 20 seasons
Jason Giambi announces retirement - MLB Daily Dish
What was Jeremy Giambi's cause of death?
Off Topic: What is Jason Giambi's Legacy?