Pete Alonso vs Jason Giambi: Career Stats Comparison
Jason Giambi has the better career line of the two, leading 12 of the 14 scored categories on this page (1 further counting total is shown but not scored). Pete Alonso has played 2019–present as a hitter; Jason Giambi played 1995–2014 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
Pete Alonso (2019–present) and Jason Giambi (1995–2014) — they broke in during the 2010s and the 1990s respectively, which makes the side-by-side worth doing carefully. Pete Alonso has 1,112 hits and 307 home runs through October 12, 2026; Jason Giambi finished with 2,010 hits and 440 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 Pete Alonso's 307.
- Who had the higher OPS? Jason Giambi, with .916 to Pete Alonso's .861.
- Who had the higher batting average? Jason Giambi, with .277 to Pete Alonso's .255.
- Who had more hits? Jason Giambi, with 2,010 to Pete Alonso's 1,112.
- Who drove in more runs? Jason Giambi, with 1,441 to Pete Alonso's 825.
- Who has the higher career PIV? Jason Giambi, with 37,008 career PIV to Pete Alonso's 13,899.
Pete Alonso
Jason Giambi
Career Stats Side-by-Side
Every cell below is a career total or career rate for Pete Alonso and Jason Giambi. 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 2010s and the 1990s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.
Pete Alonso is still active — his totals below are current through October 12, 2026.
| Statistic | Pete Alonso | Jason Giambi |
|---|---|---|
| Games | 1,168 | Leads: 2,260 |
| At-Bats | 4,365 | Leads: 7,267 |
| Runs | 680 | Leads: 1,227 |
| Hits | 1,112 | Leads: 2,010 |
| Doubles | 207 | Leads: 405 |
| Triples | 8 | Leads: 9 |
| Home Runs | 307 | Leads: 440 |
| RBI | 825 | Leads: 1,441 |
| Walks | 500 | Leads: 1,366 |
| Strikeouts not scored | 1,153 | 1,572 |
| Stolen Bases | Leads: 23 | 20 |
| Batting Avg | .255 | Leads: .277 |
| On-Base % | .344 | Leads: .399 |
| Slugging % | Leads: .517 | .516 |
| OPS | .861 | Leads: .916 |
PIV Comparison through 2025
By PIV (Player Impact Value), Jason Giambi outpaces Pete Alonso 37,008 to 13,899 — a longevity gap rather than a per-season one: Jason Giambi played 21 seasons to Pete Alonso's 7, while Pete Alonso carries the higher per-season figure (1,986 to 1,762). 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).
Pete Alonso — top 3 seasons by OPS
Jason Giambi — top 3 seasons by OPS
Verdict
On the head-to-head card, Jason Giambi leads in hits, home runs, RBI, and runs, while Pete Alonso owns stolen bases. 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 Pete Alonso and Jason Giambi careers compare
The two careers never overlapped: Jason Giambi's ended in 2014, and Pete Alonso debuted in 2019. Jason Giambi has the far longer record, 2,260 games against 1,168 across 7 and 21 PIV seasons, which inflates every career total. Pete Alonso's edges on the table are stolen bases (23 to 20) and slugging percentage (.517 to .516). Pete Alonso struck out more than walked (1,153 to 500); Jason Giambi struck out more than walked (1,572 to 1,366). Pete Alonso's slugging percentage of .517 tops Jason Giambi's .516. Jason Giambi owns the better peak by OPS: .941 OPS in 2019 for Pete Alonso against 1.137 OPS in 2001 for Jason Giambi. Pete Alonso's numbers are live and update with each game, so the comparison is a snapshot.
Pete Alonso vs Jason Giambi: Frequently Asked Questions
- Who was better, Pete Alonso or Jason Giambi?
- By the career statistics compared on this page, Jason Giambi leads Pete Alonso in 12 of the 14 scored categories.
- Did Pete Alonso or Jason Giambi hit more home runs?
- Jason Giambi, with 440 to Pete Alonso's 307.
- Who had the higher OPS?
- Jason Giambi, with .916 to Pete Alonso's .861.
- Who had the higher batting average?
- Jason Giambi, with .277 to Pete Alonso's .255.
- Who had more hits?
- Jason Giambi, with 2,010 to Pete Alonso's 1,112.