Jason Giambi vs Vladimir Guerrero: 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). Jason Giambi played 1995–2014 as a hitter; Vladimir Guerrero has played 2019–present 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 Vladimir Guerrero (2019–present) — they broke in during the 1990s and the 2010s respectively, which makes the side-by-side worth doing carefully. Jason Giambi finished with 2,010 hits and 440 home runs; Vladimir Guerrero has 1,218 hits and 192 home runs through October 12, 2026. 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 Vladimir Guerrero's 192.
  • Who had the higher OPS? Jason Giambi, with .916 to Vladimir Guerrero's .839.
  • Who had the higher batting average? Vladimir Guerrero, with .285 to Jason Giambi's .277.
  • Who had more hits? Jason Giambi, with 2,010 to Vladimir Guerrero's 1,218.
  • Who drove in more runs? Jason Giambi, with 1,441 to Vladimir Guerrero's 648.
  • Who has the higher career PIV? Jason Giambi, with 37,008 career PIV to Vladimir Guerrero's 14,982.
Leads Jason Giambi 12 of 14 scored categories
PIV edge Jason Giambi +22,025
Read the verdict ↓

Jason Giambi

Hitter · 1995–2014
Games
2,260
Hits
2,010
Home Runs
440
RBI
1,441
Avg
.277
OPS
.916
View Jason Giambi's full profile →

Vladimir Guerrero

Hitter · 2019–present
Games
1,119
Hits
1,218
Home Runs
192
RBI
648
Avg
.285
OPS
.839
View Vladimir Guerrero's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for Jason Giambi and Vladimir Guerrero. 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 2010s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.

Vladimir Guerrero is still active — his totals below are current through October 12, 2026.

Jason Giambi vs Vladimir Guerrero: Career Stats Comparison — Career Stats Side-by-Side
Statistic Jason Giambi Vladimir Guerrero
Games Leads: 2,260 1,119
At-Bats Leads: 7,267 4,276
Runs Leads: 1,227 643
Hits Leads: 2,010 1,218
Doubles Leads: 405 236
Triples Leads: 9 6
Home Runs Leads: 440 192
RBI Leads: 1,441 648
Walks Leads: 1,366 486
Strikeouts not scored 1,572 726
Stolen Bases 20 Leads: 33
Batting Avg .277 Leads: .285
On-Base % Leads: .399 .361
Slugging % Leads: .516 .478
OPS Leads: .916 .839

PIV Comparison through 2025

By PIV (Player Impact Value), Jason Giambi outpaces Vladimir Guerrero 37,008 to 14,982 — a longevity gap rather than a per-season one: Jason Giambi played 21 seasons to Vladimir Guerrero's 7, while Vladimir Guerrero carries the higher per-season figure (2,140 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.

Jason Giambi
37,008
Career PIV · 1,762 per season (21 seasons)
Vladimir Guerrero
14,982
Career PIV · 2,140 per season (7 seasons)

How PIV is calculated →

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

20011.137 OPS38 HR, 120 RBI, .342 avg
20001.123 OPS43 HR, 137 RBI, .333 avg
20021.034 OPS41 HR, 122 RBI, .314 avg

Vladimir Guerrero — top 3 seasons by OPS

20211.002 OPS48 HR, 111 RBI, .311 avg
2024.940 OPS30 HR, 103 RBI, .323 avg
2025.848 OPS23 HR, 84 RBI, .292 avg

Verdict

On the head-to-head card, Jason Giambi leads in hits, home runs, RBI, and runs, while Vladimir Guerrero owns 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 Vladimir Guerrero careers compare

No season is shared: Jason Giambi played 1995–2014, Vladimir Guerrero 2019–present. Playing time explains much of the gap in the counting rows: Jason Giambi appeared in 2,260 games to Vladimir Guerrero's 1,119. Vladimir Guerrero's edges on the table are stolen bases (33 to 20) and batting average (.285 to .277). At the plate, Jason Giambi struck out more than walked (1,572 to 1,366), and Vladimir Guerrero struck out more than walked (726 to 486). Jason Giambi is the more power-leaning hitter, with 440 of 2,010 hits leaving the park. Jason Giambi's slugging percentage of .516 tops Vladimir Guerrero's .478. Vladimir Guerrero's numbers are live and update with each game, so the comparison is a snapshot.

Jason Giambi vs Vladimir Guerrero: Frequently Asked Questions

Who was better, Jason Giambi or Vladimir Guerrero?
By the career statistics compared on this page, Jason Giambi leads Vladimir Guerrero in 12 of the 14 scored categories.
Did Jason Giambi or Vladimir Guerrero hit more home runs?
Jason Giambi, with 440 to Vladimir Guerrero's 192.
Who had the higher OPS?
Jason Giambi, with .916 to Vladimir Guerrero's .839.
Who had the higher batting average?
Vladimir Guerrero, with .285 to Jason Giambi's .277.
Who had more hits?
Jason Giambi, with 2,010 to Vladimir Guerrero's 1,218.