Gabby Hartnett vs Johnny Mize: Career Stats Comparison
Johnny Mize has the better career line of the two, leading 11 of the 14 scored categories on this page (1 further counting total is shown but not scored). Gabby Hartnett played 1922–1941 as a hitter; Johnny Mize played 1936–1953 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
Gabby Hartnett (1922–1941) and Johnny Mize (1936–1953) — they broke in during the 1920s and the 1930s respectively, which makes the side-by-side worth doing carefully. Gabby Hartnett finished with 1,912 hits and 236 home runs; Johnny Mize finished with 2,011 hits and 359 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.
Quick answer
- Who hit more home runs? Johnny Mize, with 359 to Gabby Hartnett's 236.
- Who had the higher OPS? Johnny Mize, with .959 to Gabby Hartnett's .858.
- Who had the higher batting average? Johnny Mize, with .312 to Gabby Hartnett's .297.
- Who had more hits? Johnny Mize, with 2,011 to Gabby Hartnett's 1,912.
- Who drove in more runs? Johnny Mize, with 1,337 to Gabby Hartnett's 1,179.
- Who has the higher career PIV? Johnny Mize, with 43,061 career PIV to Gabby Hartnett's 20,627.
- Who won more championships? Johnny Mize, with 5 World Series titles to Gabby Hartnett's 0.
Gabby Hartnett
Johnny Mize
Career Stats Side-by-Side
Every cell below is a career total or career rate for Gabby Hartnett and Johnny Mize. 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 1920s and the 1930s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.
| Statistic | Gabby Hartnett | Johnny Mize |
|---|---|---|
| Games | Leads: 1,990 | 1,884 |
| At-Bats | 6,432 | Leads: 6,443 |
| Runs | 867 | Leads: 1,118 |
| Hits | 1,912 | Leads: 2,011 |
| Doubles | Leads: 396 | 367 |
| Triples | 64 | Leads: 83 |
| Home Runs | 236 | Leads: 359 |
| RBI | 1,179 | Leads: 1,337 |
| Walks | 703 | Leads: 856 |
| Strikeouts not scored | 697 | 524 |
| Stolen Bases | 28 | 28 |
| Batting Avg | .297 | Leads: .312 |
| On-Base % | .370 | Leads: .397 |
| Slugging % | .489 | Leads: .562 |
| OPS | .858 | Leads: .959 |
PIV Comparison through 2025
By PIV (Player Impact Value), Johnny Mize outpaces Gabby Hartnett 43,061 to 20,627 — driven by per-season impact — 2,691 PIV per season to 1,031 — rather than by longevity, since Johnny Mize played 16 seasons to Gabby Hartnett's 20. 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.
Peak Seasons
The best single seasons each player produced, ranked by OPS among qualified workloads (300+ at-bats).
Gabby Hartnett — top 3 seasons by OPS
Johnny Mize — top 3 seasons by OPS
Verdict
On the head-to-head card, Johnny Mize leads in hits, home runs, RBI, and runs, while Gabby Hartnett owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Johnny Mize. PIV agrees: Johnny Mize grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Gabby Hartnett and Johnny Mize careers compare
Gabby Hartnett and Johnny Mize were active at the same time between 1936 and 1941. The two careers are close in length, 1,990 games for Gabby Hartnett and 1,884 for Johnny Mize across 20 and 16 PIV seasons, so the totals compare on fairly even terms. The green cells for Gabby Hartnett are games (1,990 to 1,884) and doubles (396 to 367). Gabby Hartnett walked more often than struck out (703 walks, 697 strikeouts); Johnny Mize walked more often than struck out (856 walks, 524 strikeouts). Johnny Mize is the more power-leaning hitter, with 359 of 2,011 hits leaving the park.
Gabby Hartnett vs Johnny Mize: Frequently Asked Questions
- Who was better, Gabby Hartnett or Johnny Mize?
- By the career statistics compared on this page, Johnny Mize leads Gabby Hartnett in 11 of the 14 scored categories.
- Did Gabby Hartnett or Johnny Mize hit more home runs?
- Johnny Mize, with 359 to Gabby Hartnett's 236.
- Who had the higher OPS?
- Johnny Mize, with .959 to Gabby Hartnett's .858.
- Who had the higher batting average?
- Johnny Mize, with .312 to Gabby Hartnett's .297.
- Who had more hits?
- Johnny Mize, with 2,011 to Gabby Hartnett's 1,912.