A's release Jason Giambi; slugger was hitting .193 – Trentonian
Jason Giambi retires: A look back at his Athletics career - Athletics Nation
Jason Giambi hits 3 HRs, Rockies beat Phillies 7-1 - The San Diego Union-Tribune
Jason Giambi retires, Yankees will honor Andy Pettitte, Jorge Posada and Bernie Williams and more MLB news
Who's better, Jason Giambi or David Ortiz? - Covering the Corner
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive
Top 5 “Non-Moves” of the Last 25 Years - Pinstripe Alley
Retiring Giambi now a role model - especially for A-Rod
Jason Giambi retires after 20 MLB seasons - Mangin Photography Archive
Why Jason Giambi turned down Yankees' job offer (for now)
Jason Giambi retires: A look back at his Athletics career - Athletics Nation
Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News
Jason Giambi Returns To Roots With Oakland A's