Jason Giambi vs Joe Mauer: Career Stats Comparison
Jason Giambi has the better career line of the two, leading 9 of the 14 scored categories on this page (1 further counting total is shown but not scored). Jason Giambi played 1995–2014 as a hitter; Joe Mauer played 2004–2018 as a hitter.
- AVG (Batting Average):
- Hits divided by at bats. .300 is the traditional mark of an excellent hitter.
- HR (Home Runs):
- Hits on which the batter circled the bases and scored, almost always by clearing the outfield fence.
- RBI (Runs Batted In):
- Runs that scored as a direct result of a batter's plate appearance.
- OPS (On-Base Plus Slugging):
- On-base percentage plus slugging percentage, the quickest single summary of offensive value. .900 or better is star-level.
Data updated
Jason Giambi (1995–2014) and Joe Mauer (2004–2018) — they broke in during the 1990s and the 2000s respectively, which makes the side-by-side worth doing carefully. Jason Giambi finished with 2,010 hits and 440 home runs; Joe Mauer finished with 2,123 hits and 143 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.
Quick answer
- Who hit more home runs? Jason Giambi, with 440 to Joe Mauer's 143.
- Who had the higher OPS? Jason Giambi, with .916 to Joe Mauer's .827.
- Who had the higher batting average? Joe Mauer, with .306 to Jason Giambi's .277.
- Who had more hits? Joe Mauer, with 2,123 to Jason Giambi's 2,010.
- Who drove in more runs? Jason Giambi, with 1,441 to Joe Mauer's 923.
- Who has the higher career PIV? Jason Giambi, with 37,008 career PIV to Joe Mauer's 20,061.
Jason Giambi
Career Stats Side-by-Side
Every cell below is a career total or career rate for Jason Giambi and Joe Mauer. Cells highlighted in green mark the category leader. 14 of the 15 lines below are scored; the other one is a counting total on which fewer is not an achievement, so no one is awarded it. Counting stats reward longevity, and strikeouts are left unmarked because a longer career accumulates more of them. Rate stats are not era-adjusted, and the 1990s and the 2000s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.
| Statistic | Jason Giambi | Joe Mauer |
|---|---|---|
| Games | Leads: 2,260 | 1,858 |
| At-Bats | Leads: 7,267 | 6,930 |
| Runs | Leads: 1,227 | 1,018 |
| Hits | 2,010 | Leads: 2,123 |
| Doubles | 405 | Leads: 428 |
| Triples | 9 | Leads: 30 |
| Home Runs | Leads: 440 | 143 |
| RBI | Leads: 1,441 | 923 |
| Walks | Leads: 1,366 | 939 |
| Strikeouts not scored | 1,572 | 1,034 |
| Stolen Bases | 20 | Leads: 52 |
| Batting Avg | .277 | Leads: .306 |
| On-Base % | Leads: .399 | .388 |
| Slugging % | Leads: .516 | .439 |
| OPS | Leads: .916 | .827 |
PIV Comparison through 2025
By PIV (Player Impact Value), Jason Giambi outpaces Joe Mauer 37,008 to 20,061 — driven by both sides of the ledger: 1,762 PIV per season to 1,337, across 21 seasons to 15. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
PIV is computed through the 2025 season. The career totals on this page include 2026 to date, so PIV does not yet reflect the 2026 season.
Peak Seasons
The best single seasons each player produced, ranked by OPS among qualified workloads (300+ at-bats).
Jason Giambi — top 3 seasons by OPS
Joe Mauer — top 3 seasons by OPS
Verdict
On the head-to-head card, Jason Giambi leads in home runs, RBI, runs, and OBP, while Joe Mauer owns hits, stolen bases, and batting average. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Jason Giambi. PIV agrees: Jason Giambi grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Jason Giambi and Joe Mauer careers compare
The careers of Jason Giambi (1995–2014) and Joe Mauer (2004–2018) overlapped from 2004 to 2014, so for those seasons they faced the same league conditions. The two careers are close in length, 2,260 games for Jason Giambi and 1,858 for Joe Mauer across 21 and 15 PIV seasons, so the totals compare on fairly even terms. Jason Giambi struck out more than walked (1,572 to 1,366); Joe Mauer struck out more than walked (1,034 to 939). Home runs make up a larger share of Jason Giambi's hits: 440 of 2,010 for Jason Giambi, 143 of 2,123 for Joe Mauer. In slugging percentage, Jason Giambi holds the edge, .516 to .439.
Jason Giambi vs Joe Mauer: Frequently Asked Questions
- Who was better, Jason Giambi or Joe Mauer?
- By the career statistics compared on this page, Jason Giambi leads Joe Mauer in 9 of the 14 scored categories.
- Did Jason Giambi or Joe Mauer hit more home runs?
- Jason Giambi, with 440 to Joe Mauer's 143.
- Who had the higher OPS?
- Jason Giambi, with .916 to Joe Mauer's .827.
- Who had the higher batting average?
- Joe Mauer, with .306 to Jason Giambi's .277.
- Who had more hits?
- Joe Mauer, with 2,123 to Jason Giambi's 2,010.