Jason Giambi vs John Olerud: Career Stats Comparison

Jason Giambi has the better career line of the two, leading 9 of the 14 statistical categories compared on this page. Jason Giambi played 1995–2014 as a hitter; John Olerud played 1989–2005 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 John Olerud (1989–2005) — they broke in during the 1990s and the 1980s respectively, which makes the side-by-side worth doing carefully. Jason Giambi finished with 2,010 hits and 440 home runs; John Olerud finished with 2,239 hits and 255 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 John Olerud's 255.
  • Who had the higher OPS? Jason Giambi, with .916 to John Olerud's .863.
  • Who had the higher batting average? John Olerud, with .295 to Jason Giambi's .277.
  • Who had more hits? John Olerud, with 2,239 to Jason Giambi's 2,010.
  • Who drove in more runs? Jason Giambi, with 1,441 to John Olerud's 1,230.
  • Who has the higher career PIV? Jason Giambi, with 37,008 career PIV to John Olerud's 28,281.
  • Who won more championships? John Olerud, with 2 World Series titles to Jason Giambi's 0.
Leads Jason Giambi 9 of 14 awarded categories
PIV edge Jason Giambi +8,727
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 →

John Olerud

Hitter · 1989–2005
Games
2,234
Hits
2,239
Home Runs
255
RBI
1,230
Avg
.295
OPS
.863
View John Olerud's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for Jason Giambi and John Olerud. Cells highlighted in green mark the category leader. Counting stats reward longevity, and strikeouts are left unmarked because a longer career accumulates more of them. Rate stats are not era-adjusted -- a .305 in 1965 and a .298 in 2001 came out of very different run environments -- so read them against their eras, or use the PIV card below, which is adjusted.

Jason Giambi vs John Olerud: Career Stats Comparison — Career Stats Side-by-Side
Statistic Jason Giambi John Olerud
Games Leads: 2,260 2,234
At-Bats 7,267 Leads: 7,592
Runs Leads: 1,227 1,139
Hits 2,010 Leads: 2,239
Doubles 405 Leads: 500
Triples 9 Leads: 13
Home Runs Leads: 440 255
RBI Leads: 1,441 1,230
Walks Leads: 1,366 1,275
Strikeouts 1,572 1,016
Stolen Bases Leads: 20 11
Batting Avg .277 Leads: .295
On-Base % Leads: .399 .398
Slugging % Leads: .516 .465
OPS Leads: .916 .863

PIV Comparison

By PIV (Player Impact Value), Jason Giambi leads John Olerud 37,008 to 28,281 — a gap driven primarily by per-season impact (1,762 vs 1,571 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Jason Giambi
37,008
Career PIV · 1,762 per season (21 seasons)
John Olerud
28,281
Career PIV · 1,571 per season (18 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

John Olerud — top 3 seasons by OPS

19931.072 OPS24 HR, 107 RBI, .363 avg
1998.998 OPS22 HR, 93 RBI, .354 avg
2002.893 OPS22 HR, 102 RBI, .300 avg

Verdict

On the head-to-head card, Jason Giambi leads in home runs, RBI, runs, and stolen bases, while John Olerud owns hits 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

Jason Giambi vs John Olerud: Frequently Asked Questions

Who was better, Jason Giambi or John Olerud?
By the career statistics compared on this page, Jason Giambi leads John Olerud in 9 of 14 categories.
Did Jason Giambi or John Olerud hit more home runs?
Jason Giambi, with 440 to John Olerud's 255.
Who had the higher OPS?
Jason Giambi, with .916 to John Olerud's .863.
Who had the higher batting average?
John Olerud, with .295 to Jason Giambi's .277.
Who had more hits?
John Olerud, with 2,239 to Jason Giambi's 2,010.