Walter Johnson vs Herb Pennock: Career Stats Comparison
Walter Johnson (1907–1927) and Herb Pennock (1912–1934) — breaking in during the 1900s and the 1910s respectively, so they pitched against very different hitting environments. Walter Johnson compiled 417 wins and 3,509 strikeouts; Herb Pennock put up 240 wins and 1,227 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Walter Johnson
Herb Pennock
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 | Walter Johnson | Herb Pennock |
|---|---|---|
| Wins | 417 | 240 |
| Losses | 279 | 162 |
| Games | 802 | 617 |
| Games Started | 666 | 420 |
| Complete Games | 531 | 247 |
| Shutouts | 110 | 35 |
| Saves | 34 | 32 |
| Strikeouts | 3,509 | 1,227 |
| Walks | 1,363 | 916 |
| Hits Allowed | 4,913 | 3,900 |
| Home Runs Allowed | 97 | 128 |
| Innings Pitched | 5,914 | 3,571 |
| ERA | 2.17 | 3.60 |
| WHIP | 1.06 | 1.35 |
| K/9 | 5.34 | 3.09 |
| BB/9 | 2.07 | 2.31 |
PIV Comparison
By PIV (Player Impact Value), Walter Johnson outpaces Herb Pennock 124,021 to 29,181 — a gap driven primarily by per-season impact (5,906 vs 1,269 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).
Walter Johnson — top 3 seasons by ERA (lower is better)
Herb Pennock — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Walter Johnson leads in wins, strikeouts, ERA, and WHIP, while Herb Pennock owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Walter Johnson. PIV agrees: Walter Johnson grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.