Roberto Alomar vs Mark McGwire: Career Stats Comparison

Roberto Alomar has the better career line of the two, leading 8 of the 14 scored categories on this page (1 further counting total is shown but not scored). Roberto Alomar played 1988–2004 as a hitter; Mark McGwire played 1986–2001 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

Roberto Alomar (1988–2004) and Mark McGwire (1986–2001) — both broke in during the 1980s, which makes the head-to-head feel like a contemporaries' debate. Roberto Alomar finished with 2,724 hits and 210 home runs; Mark McGwire finished with 1,626 hits and 583 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.

Quick answer

  • Who hit more home runs? Mark McGwire, with 583 to Roberto Alomar's 210.
  • Who had the higher OPS? Mark McGwire, with .982 to Roberto Alomar's .814.
  • Who had the higher batting average? Roberto Alomar, with .300 to Mark McGwire's .263.
  • Who had more hits? Roberto Alomar, with 2,724 to Mark McGwire's 1,626.
  • Who drove in more runs? Mark McGwire, with 1,414 to Roberto Alomar's 1,134.
  • Who has the higher career PIV? Mark McGwire, with 44,531 career PIV to Roberto Alomar's 20,285.
  • Who won more championships? Roberto Alomar, with 2 World Series titles to Mark McGwire's 1.
Leads Roberto Alomar 8 of 14 scored categories
PIV edge Mark McGwire +24,246
Read the verdict ↓

Roberto Alomar

Hitter · 1988–2004
Games
2,379
Hits
2,724
Home Runs
210
RBI
1,134
Avg
.300
OPS
.814
View Roberto Alomar's full profile →

Mark McGwire

Hitter · 1986–2001
Games
1,874
Hits
1,626
Home Runs
583
RBI
1,414
Avg
.263
OPS
.982
View Mark McGwire's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for Roberto Alomar and Mark McGwire. 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, so read them against the run environment each player worked in, or use the PIV card below, which is adjusted.

Roberto Alomar vs Mark McGwire: Career Stats Comparison — Career Stats Side-by-Side
Statistic Roberto Alomar Mark McGwire
Games Leads: 2,379 1,874
At-Bats Leads: 9,073 6,187
Runs Leads: 1,508 1,167
Hits Leads: 2,724 1,626
Doubles Leads: 504 252
Triples Leads: 80 6
Home Runs 210 Leads: 583
RBI 1,134 Leads: 1,414
Walks 1,032 Leads: 1,317
Strikeouts not scored 1,140 1,596
Stolen Bases Leads: 474 12
Batting Avg Leads: .300 .263
On-Base % .371 Leads: .394
Slugging % .443 Leads: .588
OPS .814 Leads: .982

PIV Comparison through 2025

By PIV (Player Impact Value), Mark McGwire outpaces Roberto Alomar 44,531 to 20,285 — driven by per-season impact — 2,620 PIV per season to 1,068 — rather than by longevity, since Mark McGwire played 17 seasons to Roberto Alomar's 19. 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.

Roberto Alomar
20,285
Career PIV · 1,068 per season (19 seasons)
Mark McGwire
44,531
Career PIV · 2,620 per season (17 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by OPS among qualified workloads (300+ at-bats).

Roberto Alomar — top 3 seasons by OPS

2001.956 OPS20 HR, 100 RBI, .336 avg
1999.955 OPS24 HR, 120 RBI, .323 avg
1996.938 OPS22 HR, 94 RBI, .328 avg

Mark McGwire — top 3 seasons by OPS

19981.222 OPS70 HR, 147 RBI, .299 avg
19961.198 OPS52 HR, 113 RBI, .312 avg
19951.125 OPS39 HR, 90 RBI, .274 avg

Verdict

On the head-to-head card, Mark McGwire leads in home runs, RBI, OBP, and OPS, while Roberto Alomar owns hits, runs, and stolen bases. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mark McGwire. PIV agrees: Mark McGwire grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Roberto Alomar and Mark McGwire careers compare

From 1988 through 2001, Roberto Alomar and Mark McGwire were in the majors together. The two careers are close in length, 2,379 games for Roberto Alomar and 1,874 for Mark McGwire across 19 and 17 PIV seasons, so the totals compare on fairly even terms. At the plate, Roberto Alomar struck out more than walked (1,140 to 1,032), and Mark McGwire struck out more than walked (1,596 to 1,317). Mark McGwire is the more power-leaning hitter, with 583 of 1,626 hits leaving the park. Roberto Alomar was the more frequent base stealer relative to games played. Mark McGwire's on-base percentage of .394 tops Roberto Alomar's .371.

Roberto Alomar vs Mark McGwire: Frequently Asked Questions

Who was better, Roberto Alomar or Mark McGwire?
By the career statistics compared on this page, Roberto Alomar leads Mark McGwire in 8 of the 14 scored categories.
Did Roberto Alomar or Mark McGwire hit more home runs?
Mark McGwire, with 583 to Roberto Alomar's 210.
Who had the higher OPS?
Mark McGwire, with .982 to Roberto Alomar's .814.
Who had the higher batting average?
Roberto Alomar, with .300 to Mark McGwire's .263.
Who had more hits?
Roberto Alomar, with 2,724 to Mark McGwire's 1,626.

See These Players in Another Era