![22 May 2010: Rockies DH, Jason Giambi (#23) runs towards first base after his hit towards right center field. The Kansas City Royals were defeated by the Colorado Rockies 3-0 at Kauffman 22 May 2010: Rockies DH, Jason Giambi (#23) runs towards first base after his hit towards right center field. The Kansas City Royals were defeated by the Colorado Rockies 3-0 at Kauffman](https://c8.alamy.com/comp/DJTD3F/22-may-2010-rockies-dh-jason-giambi-23-runs-towards-first-base-after-DJTD3F.jpg)
22 May 2010: Rockies DH, Jason Giambi (#23) runs towards first base after his hit towards right center field. The Kansas City Royals were defeated by the Colorado Rockies 3-0 at Kauffman
![Colorado Rockies' Jason Giambi (23) reacts swinging for a strike during the sixth inning of a baseball game against the New York Yankees Saturday, June 25, 2011, at Yankee Stadium in New Colorado Rockies' Jason Giambi (23) reacts swinging for a strike during the sixth inning of a baseball game against the New York Yankees Saturday, June 25, 2011, at Yankee Stadium in New](https://c8.alamy.com/comp/2NBK38K/colorado-rockies-jason-giambi-23-reacts-swinging-for-a-strike-during-the-sixth-inning-of-a-baseball-game-against-the-new-york-yankees-saturday-june-25-2011-at-yankee-stadium-in-new-york-ap-photofrank-franklin-ii-2NBK38K.jpg)
Colorado Rockies' Jason Giambi (23) reacts swinging for a strike during the sixth inning of a baseball game against the New York Yankees Saturday, June 25, 2011, at Yankee Stadium in New
![Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News](https://www.nydailynews.com/wp-content/uploads/migration/2015/02/16/2M42PLAHG3VQ2WCNRNKWIPBRFM.jpg)
Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News
![Chris Ballard: Once a feared slugger, 41-year-old Jason Giambi quietly nears the end - Sports Illustrated Chris Ballard: Once a feared slugger, 41-year-old Jason Giambi quietly nears the end - Sports Illustrated](https://www.si.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTY4MjYwOTk2Mjk2MDkwNzg5/jason-giambijpg.jpg)
Chris Ballard: Once a feared slugger, 41-year-old Jason Giambi quietly nears the end - Sports Illustrated
![Colorado Rockies first baseman Jason Giambi (23) heads to the dugout during a game between the Colorado Rockies and the Arizona Diamondbacks. The Rockies defeated the Diamondbacks 8-3 on September 7, 2011 Colorado Rockies first baseman Jason Giambi (23) heads to the dugout during a game between the Colorado Rockies and the Arizona Diamondbacks. The Rockies defeated the Diamondbacks 8-3 on September 7, 2011](https://c8.alamy.com/comp/2P723NJ/colorado-rockies-first-baseman-jason-giambi-23-heads-to-the-dugout-during-a-game-between-the-colorado-rockies-and-the-arizona-diamondbacks-the-rockies-defeated-the-diamondbacks-8-3-on-september-7-2011-at-coors-field-in-denver-colorado-ap-photomargaret-bowles-2P723NJ.jpg)
Colorado Rockies first baseman Jason Giambi (23) heads to the dugout during a game between the Colorado Rockies and the Arizona Diamondbacks. The Rockies defeated the Diamondbacks 8-3 on September 7, 2011
![Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News Jason Giambi retiring after 20-year career with A's, Yankees, Rockies and Indians – New York Daily News](https://www.nydailynews.com/wp-content/uploads/migration/2015/02/16/S7PSYK2CLMLDU5WPVGMUZ3OYFU.jpg?w=620)