Biz Mackey vs Buster Posey: Career Stats Comparison
Buster Posey 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). Biz Mackey played ?–1947 as a hitter; Buster Posey played 2009–2021 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
Biz Mackey (?–1947) and Buster Posey (2009–2021) — their careers are worth a careful side-by-side. Biz Mackey finished with 1,165 hits and 64 home runs; Buster Posey finished with 1,500 hits and 158 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.
Quick answer
- Who hit more home runs? Buster Posey, with 158 to Biz Mackey's 64.
- Who had the higher OPS? Biz Mackey, with .871 to Buster Posey's .831.
- Who had the higher batting average? Biz Mackey, with .329 to Buster Posey's .302.
- Who had more hits? Buster Posey, with 1,500 to Biz Mackey's 1,165.
- Who drove in more runs? Buster Posey, with 729 to Biz Mackey's 698.
- Who has the higher career PIV? Buster Posey, with 15,615 career PIV to Biz Mackey's 11,740.
- Who won more championships? Buster Posey, with 3 World Series titles to Biz Mackey's 2.
Buster Posey
Career Stats Side-by-Side
Every cell below is a career total or career rate for Biz Mackey and Buster Posey. 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.
| Statistic | Biz Mackey | Buster Posey |
|---|---|---|
| Games | 1,031 | Leads: 1,371 |
| At-Bats | 3,540 | Leads: 4,970 |
| Runs | 584 | Leads: 663 |
| Hits | 1,165 | Leads: 1,500 |
| Doubles | 202 | Leads: 293 |
| Triples | Leads: 64 | 9 |
| Home Runs | 64 | Leads: 158 |
| RBI | 698 | Leads: 729 |
| Walks | 361 | Leads: 540 |
| Strikeouts not scored | 18 | 721 |
| Stolen Bases | Leads: 73 | 23 |
| Batting Avg | Leads: .329 | .302 |
| On-Base % | Leads: .394 | .372 |
| Slugging % | Leads: .477 | .460 |
| OPS | Leads: .871 | .831 |
PIV Comparison through 2025
By PIV (Player Impact Value), Buster Posey leads Biz Mackey 15,615 to 11,740 — driven by per-season impact — 1,301 PIV per season to 405 — rather than by longevity, since Buster Posey played 12 seasons to Biz Mackey's 29. 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).
Biz Mackey — top 1 season by OPS
Buster Posey — top 3 seasons by OPS
Verdict
On the head-to-head card, Buster Posey leads in hits, home runs, RBI, and runs, while Biz Mackey owns stolen bases, batting average, and OBP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Buster Posey. PIV agrees: Buster Posey grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Biz Mackey and Buster Posey careers compare
The two careers never overlapped: Biz Mackey's ended in 1947, and Buster Posey debuted in 2009. The two careers are close in length, 1,031 games for Biz Mackey and 1,371 for Buster Posey across 29 and 12 PIV seasons, so the totals compare on fairly even terms. At the plate, Biz Mackey walked more often than struck out (361 walks, 18 strikeouts), while Buster Posey struck out more than walked (721 to 540). Home runs make up a larger share of Buster Posey's hits: 64 of 1,165 for Biz Mackey, 158 of 1,500 for Buster Posey. In on-base percentage, Biz Mackey holds the edge, .394 to .372.
Biz Mackey vs Buster Posey: Frequently Asked Questions
- Who was better, Biz Mackey or Buster Posey?
- By the career statistics compared on this page, Buster Posey leads Biz Mackey in 8 of the 14 scored categories.
- Did Biz Mackey or Buster Posey hit more home runs?
- Buster Posey, with 158 to Biz Mackey's 64.
- Who had the higher OPS?
- Biz Mackey, with .871 to Buster Posey's .831.
- Who had the higher batting average?
- Biz Mackey, with .329 to Buster Posey's .302.
- Who had more hits?
- Buster Posey, with 1,500 to Biz Mackey's 1,165.