Jason Giambi vs Mo Vaughn: Career Stats Comparison

Jason Giambi (1995–2014) and Mo Vaughn (1991–2003) — both broke in during the 1990s, which makes the head-to-head feel like a contemporaries' debate. Jason Giambi finished with 2,010 hits and 440 home runs; Mo Vaughn finished with 1,620 hits and 328 home runs. Below is the full career table, PIV adjustment, peak seasons, and a 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 →

Mo Vaughn

Hitter · 1991–2003
Games
1,512
Hits
1,620
Home Runs
328
RBI
1,064
Avg
.293
OPS
.906
View Mo Vaughn's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for Jason Giambi and Mo Vaughn. Cells highlighted in green mark the category leader. Counting stats reward longevity; the rate stats at the bottom are era-agnostic.

Statistic Jason Giambi Mo Vaughn
Games 2,260 1,512
At-Bats 7,267 5,532
Runs 1,227 861
Hits 2,010 1,620
Doubles 405 270
Triples 9 10
Home Runs 440 328
RBI 1,441 1,064
Walks 1,366 725
Strikeouts 1,572 1,429
Stolen Bases 20 30
Batting Avg .277 .293
On-Base % .399 .383
Slugging % .516 .523
OPS .916 .906

PIV Comparison

By PIV (Player Impact Value), Jason Giambi outpaces Mo Vaughn 37,008 to 24,784 — a gap driven primarily by per-season impact (1,762 vs 2,065 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)
Mo Vaughn
24,784
Career PIV · 2,065 per season (12 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

Mo Vaughn — top 3 seasons by OPS

19961.003 OPS44 HR, 143 RBI, .326 avg
1998.993 OPS40 HR, 115 RBI, .337 avg
1994.984 OPS26 HR, 82 RBI, .310 avg

Verdict

On the head-to-head card, Jason Giambi leads in hits, home runs, RBI, and runs, while Mo Vaughn 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.

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