William Contreras vs Mike Piazza: Career Stats Comparison

Mike Piazza has the better career line of the two, leading 13 of the 14 scored categories on this page (1 further counting total is shown but not scored). William Contreras has played 2020–present as a hitter; Mike Piazza played 1992–2007 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

William Contreras (2020–present) and Mike Piazza (1992–2007) — they broke in during the 2020s and the 1990s respectively, which makes the side-by-side worth doing carefully. William Contreras has 755 hits and 103 home runs through October 6, 2026; Mike Piazza finished with 2,127 hits and 427 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.

Quick answer

  • Who hit more home runs? Mike Piazza, with 427 to William Contreras's 103.
  • Who had the higher OPS? Mike Piazza, with .922 to William Contreras's .795.
  • Who had the higher batting average? Mike Piazza, with .308 to William Contreras's .272.
  • Who had more hits? Mike Piazza, with 2,127 to William Contreras's 755.
  • Who drove in more runs? Mike Piazza, with 1,335 to William Contreras's 409.
  • Who has the higher career PIV? Mike Piazza, with 30,988 career PIV to William Contreras's 5,736.
  • Who won more championships? William Contreras, with 1 World Series title to Mike Piazza's 0.
Leads Mike Piazza 13 of 14 scored categories
PIV edge Mike Piazza +25,252
Read the verdict ↓

William Contreras

Hitter · 2020–present
Games
746
Hits
755
Home Runs
103
RBI
409
Avg
.272
OPS
.795
View William Contreras's full profile →

Mike Piazza

Hitter · 1992–2007
Games
1,912
Hits
2,127
Home Runs
427
RBI
1,335
Avg
.308
OPS
.922
View Mike Piazza's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for William Contreras and Mike Piazza. 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 2020s and the 1990s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.

William Contreras is still active — his totals below are current through October 6, 2026.

William Contreras vs Mike Piazza: Career Stats Comparison — Career Stats Side-by-Side
Statistic William Contreras Mike Piazza
Games 746 Leads: 1,912
At-Bats 2,774 Leads: 6,911
Runs 426 Leads: 1,048
Hits 755 Leads: 2,127
Doubles 149 Leads: 344
Triples 6 Leads: 8
Home Runs 103 Leads: 427
RBI 409 Leads: 1,335
Walks 344 Leads: 759
Strikeouts not scored 641 1,113
Stolen Bases Leads: 24 17
Batting Avg .272 Leads: .308
On-Base % .354 Leads: .377
Slugging % .442 Leads: .545
OPS .795 Leads: .922

PIV Comparison through 2025

By PIV (Player Impact Value), Mike Piazza outpaces William Contreras 30,988 to 5,736 — driven by both sides of the ledger: 1,722 PIV per season to 956, across 18 seasons to 6. 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.

William Contreras
5,736
Career PIV · 956 per season (6 seasons)
Mike Piazza
30,988
Career PIV · 1,722 per season (18 seasons)

How PIV is calculated →

Peak Seasons

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

William Contreras — top 3 seasons by OPS

2022.860 OPS20 HR, 45 RBI, .278 avg
2024.831 OPS23 HR, 92 RBI, .281 avg
2023.825 OPS17 HR, 78 RBI, .289 avg

Mike Piazza — top 3 seasons by OPS

19971.070 OPS40 HR, 124 RBI, .362 avg
19981.024 OPS23 HR, 76 RBI, .348 avg
20001.012 OPS38 HR, 113 RBI, .324 avg

Verdict

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

Related Matchups

How the William Contreras and Mike Piazza careers compare

Mike Piazza (1992–2007) was finished before William Contreras (2020–present) arrived, so they never shared a league. Playing time explains much of the gap in the counting rows: William Contreras has appeared in 746 games to Mike Piazza's 1,912. William Contreras's edges on the table are stolen bases (24 to 17). At the plate, William Contreras struck out more than walked (641 to 344), and Mike Piazza struck out more than walked (1,113 to 759). Home runs make up a larger share of Mike Piazza's hits: 103 of 755 for William Contreras, 427 of 2,127 for Mike Piazza. Mike Piazza's on-base percentage of .377 tops William Contreras's .354. Because William Contreras is still playing, the totals above will keep moving through the season.

William Contreras vs Mike Piazza: Frequently Asked Questions

Who was better, William Contreras or Mike Piazza?
By the career statistics compared on this page, Mike Piazza leads William Contreras in 13 of the 14 scored categories.
Did William Contreras or Mike Piazza hit more home runs?
Mike Piazza, with 427 to William Contreras's 103.
Who had the higher OPS?
Mike Piazza, with .922 to William Contreras's .795.
Who had the higher batting average?
Mike Piazza, with .308 to William Contreras's .272.
Who had more hits?
Mike Piazza, with 2,127 to William Contreras's 755.