Mordecai Brown vs Herb Pennock: Career Stats Comparison

Mordecai Brown (1903–1916) and Herb Pennock (1912–1934) — breaking in during the 1900s and the 1910s respectively, so they pitched against very different hitting environments. Mordecai Brown compiled 239 wins and 1,375 strikeouts; Herb Pennock put up 240 wins and 1,227 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Mordecai Brown

Pitcher · 1903–1916
Wins
239
Losses
130
Strikeouts
1,375
ERA
2.06
WHIP
1.07
IP
3,172
View Mordecai Brown's full profile →

Herb Pennock

Pitcher · 1912–1934
Wins
240
Losses
162
Strikeouts
1,227
ERA
3.60
WHIP
1.35
IP
3,571
View Herb Pennock's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate. Cells highlighted in green mark the player who leads that line. For pitchers, lower ERA, WHIP, and BB/9 lead; higher K/9 leads.

Statistic Mordecai Brown Herb Pennock
Wins 239 240
Losses 130 162
Games 481 617
Games Started 332 420
Complete Games 271 247
Shutouts 55 35
Saves 49 32
Strikeouts 1,375 1,227
Walks 673 916
Hits Allowed 2,708 3,900
Home Runs Allowed 43 128
Innings Pitched 3,172 3,571
ERA 2.06 3.60
WHIP 1.07 1.35
K/9 3.90 3.09
BB/9 1.91 2.31

PIV Comparison

By PIV (Player Impact Value), Mordecai Brown edges Herb Pennock 31,501 to 29,181 — a gap driven primarily by per-season impact (2,100 vs 1,269 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Mordecai Brown
31,501
Career Pitcher PIV · 2,100 per season (15 seasons)
Herb Pennock
29,181
Career Pitcher PIV · 1,269 per season (23 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Mordecai Brown — top 3 seasons by ERA (lower is better)

19061.04 ERA26-6, 144 K in 277 IP
19091.31 ERA27-9, 172 K in 342 IP
19071.39 ERA20-6, 107 K in 233 IP

Herb Pennock — top 3 seasons by ERA (lower is better)

19282.56 ERA17-6, 53 K in 211 IP
19192.71 ERA16-8, 70 K in 219 IP
19142.79 ERA11-4, 90 K in 151 IP

Verdict

On the head-to-head card, Mordecai Brown leads in strikeouts, ERA, WHIP, and K/9, while Herb Pennock owns wins and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mordecai Brown. PIV agrees: Mordecai Brown grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

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