Keith Hernandez vs Mark McGwire: Career Stats Comparison

Keith Hernandez (1974–1990) and Mark McGwire (1986–2001) — they broke in during the 1970s and the 1980s respectively, which makes the side-by-side worth doing carefully. Keith Hernandez finished with 2,182 hits and 162 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.

Keith Hernandez

Hitter · 1974–1990
Games
2,088
Hits
2,182
Home Runs
162
RBI
1,071
Avg
.296
OPS
.821
View Keith Hernandez'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 Keith Hernandez and Mark McGwire. Cells highlighted in green mark the category leader. Counting stats reward longevity; the rate stats at the bottom are era-agnostic.

Statistic Keith Hernandez Mark McGwire
Games 2,088 1,874
At-Bats 7,370 6,187
Runs 1,124 1,167
Hits 2,182 1,626
Doubles 426 252
Triples 60 6
Home Runs 162 583
RBI 1,071 1,414
Walks 1,070 1,317
Strikeouts 1,012 1,596
Stolen Bases 98 12
Batting Avg .296 .263
On-Base % .384 .394
Slugging % .436 .588
OPS .821 .982

PIV Comparison

By PIV (Player Impact Value), Mark McGwire outpaces Keith Hernandez 44,531 to 25,249 — a gap driven primarily by per-season impact (2,620 vs 1,403 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Keith Hernandez
25,249
Career PIV · 1,403 per season (18 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).

Keith Hernandez — top 3 seasons by OPS

1979.930 OPS11 HR, 105 RBI, .344 avg
1980.902 OPS16 HR, 99 RBI, .321 avg
1981.864 OPS8 HR, 48 RBI, .306 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, runs, and OBP, while Keith Hernandez owns hits, stolen bases, and batting average. 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.

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