Giambi, Rockies walk off winners for first time in '11 – Boulder

Former Rockies slugger Jason Giambi retires - Purple Row

9/24/13: Giambi's walk-off blast powers dramatic win

Giambi belts mammoth walk-off homer in ninth

Giambi launches a two-run, walk-off blast

Jason Giambi's walk-off home run in 10th

Giambi Homers as Rockies Beat Yankees - The New York Times

2003 ALCS Gm6: Giambi homers in 1st to open scoring

May 17th, in 2002, Jason Giambi hit a walk-off grand slam in the 14th inning. Bet you haven't heard that name in a while! #WalkOffWednesdays, By Baseline Sports

9-24 Jason Giambi Pinch Hit Walk Off Home Run Pt. II - Tom Hamilton

9-24 Jason Giambi Pinch Hit Walk Off Home Run Pt. II - Tom Hamilton

Giambi hits two-run walk-off single

Jason Giambi 2002 Home Runs (40/42 including Postseason)