Roger Bresnahan vs Biz Mackey: Career Stats Comparison

Roger Bresnahan (1897–1915) and Biz Mackey (?–1947) — their careers are worth a careful side-by-side. Roger Bresnahan finished with 1,252 hits and 26 home runs; Biz Mackey finished with 1,165 hits and 64 home runs. Below is the full career table, PIV adjustment, peak seasons, and a verdict.

Roger Bresnahan

Hitter · 1897–1915
Games
1,446
Hits
1,252
Home Runs
26
RBI
530
Avg
.279
OPS
.764
View Roger Bresnahan's full profile →

Biz Mackey

Hitter · ?–1947
Games
1,031
Hits
1,165
Home Runs
64
RBI
698
Avg
.329
OPS
.871
View Biz Mackey's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate for Roger Bresnahan and Biz Mackey. Cells highlighted in green mark the category leader. Counting stats reward longevity; the rate stats at the bottom are era-agnostic.

Statistic Roger Bresnahan Biz Mackey
Games 1,446 1,031
At-Bats 4,481 3,540
Runs 682 584
Hits 1,252 1,165
Doubles 218 202
Triples 71 64
Home Runs 26 64
RBI 530 698
Walks 714 361
Strikeouts 403 18
Stolen Bases 212 73
Batting Avg .279 .329
On-Base % .386 .394
Slugging % .377 .477
OPS .764 .871

PIV Comparison

By PIV (Player Impact Value), Roger Bresnahan outpaces Biz Mackey 18,191 to 11,740 — a gap driven primarily by per-season impact (1,011 vs 405 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Roger Bresnahan
18,191
Career PIV · 1,011 per season (18 seasons)
Biz Mackey
11,740
Career PIV · 405 per season (29 seasons)

How PIV is calculated →

Peak Seasons

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

Roger Bresnahan — top 3 seasons by OPS

1903.936 OPS4 HR, 55 RBI, .350 avg
1904.791 OPS5 HR, 33 RBI, .284 avg
1905.785 OPS0 HR, 46 RBI, .302 avg

Biz Mackey — top 1 seasons by OPS

1926.922 OPS10 HR, 76 RBI, .327 avg

Verdict

On the head-to-head card, Biz Mackey leads in home runs, RBI, batting average, and OBP, while Roger Bresnahan owns hits, runs, and stolen bases. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Biz Mackey. Note that PIV actually grades Roger Bresnahan ahead, which means Biz Mackey's edge is partly volume. Click through to each profile for the full season-by-season breakdown.

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