JG
1995–2014 · 1B

Jason Giambi

6' 3", 240 lbs·Lived to 55·Bats L / Throws R
2×Silver SluggerMVPAll-Star
The Almanac's Take

Giambi was one of the last great Moneyball specimens — a patient slugger who understood that walks were as valuable as hits long before the analytics revolution proved it. His 2001 MVP campaign with Oakland featured a .477 on-base percentage, showcasing the plate discipline that made him indispensable despite defensive limitations at first base.

The career .277 average tells only half the story. Giambi's 114 career OPS+ reveals a hitter who consistently provided above-average offensive value across two decades, even as his power declined in later years with the Yankees. That 150 OPS+ peak in 2001 ranks among the best individual seasons of the early 2000s.

His 440 career home runs came the hard way — through deep counts and selective swinging. Giambi represented the bridge between old-school sluggers and the modern understanding of offensive value.

Career Highs
1.137
Best OPS · 2001
43
Most HR · 2000
137
Most RBI · 2000
.342
Best AVG · 2001
Career Arc · OPS
20 seasons
Statistical Comps

Career · Batting

20 seasons
YearTeamGABHRRBIAVGOPSOPS+
1995ATH54176625.256.761101
1996ATH1405362079.291.836109
1997ATH1425192081.293.857113
1998ATH15356227110.295.873116
1999ATH15857533123.315.975125
2000ATH15251043137.3331.123144
2001ATH15452038120.3421.137150
2002NYY15556041122.3141.034138
2003NYY15653541107.250.939124
2004NYY802641240.208.72094
2005NYY1394173287.271.975130
2006NYY13944637113.253.971126
2007NYY832541439.236.790104
2008NYY1454583296.247.876117
2009ATH1022931351.201.72597
2010COL87176635.244.776107
2011COL641311332.260.958133
2012COL608918.225.67593
2013CLE71186931.183.65391
2014CLE266025.133.52475
Career226072674401441.277
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Jason Giambi Stats & Analysis | The Almanac