Mordecai Brown vs Jack Quinn: Career Stats Comparison
Mordecai Brown (1903–1916) and Jack Quinn (1909–1933) — both came up during the 1900s, so the matchup is a direct one. Mordecai Brown compiled 239 wins and 1,375 strikeouts; Jack Quinn put up 247 wins and 1,329 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Mordecai Brown
Jack Quinn
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 | Jack Quinn |
|---|---|---|
| Wins | 239 | 247 |
| Losses | 130 | 218 |
| Games | 481 | 756 |
| Games Started | 332 | 444 |
| Complete Games | 271 | 243 |
| Shutouts | 55 | 28 |
| Saves | 49 | 57 |
| Strikeouts | 1,375 | 1,329 |
| Walks | 673 | 860 |
| Hits Allowed | 2,708 | 4,238 |
| Home Runs Allowed | 43 | 102 |
| Innings Pitched | 3,172 | 3,920 |
| ERA | 2.06 | 3.29 |
| WHIP | 1.07 | 1.30 |
| K/9 | 3.90 | 3.05 |
| BB/9 | 1.91 | 1.97 |
PIV Comparison
By PIV (Player Impact Value), Jack Quinn leads Mordecai Brown 38,930 to 31,501 — a gap driven primarily by per-season impact (1,622 vs 2,100 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
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)
Jack Quinn — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Mordecai Brown leads in strikeouts, ERA, WHIP, and K/9, while Jack Quinn owns wins and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mordecai Brown. Note that PIV actually grades Jack Quinn ahead, which means Mordecai Brown's edge is partly volume. Click through to each profile for the full season-by-season breakdown.