Steve Carlton vs Warren Spahn: Career Stats Comparison
Steve Carlton (1965–1988) and Warren Spahn (1942–1965) — breaking in during the 1960s and the 1940s respectively, so they pitched against very different hitting environments. Steve Carlton compiled 329 wins and 4,136 strikeouts; Warren Spahn put up 363 wins and 2,583 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Steve Carlton
Warren Spahn
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 | Steve Carlton | Warren Spahn |
|---|---|---|
| Wins | 329 | 363 |
| Losses | 244 | 245 |
| Games | 741 | 750 |
| Games Started | 709 | 665 |
| Complete Games | 254 | 382 |
| Shutouts | 55 | 63 |
| Saves | 2 | 29 |
| Strikeouts | 4,136 | 2,583 |
| Walks | 1,833 | 1,434 |
| Hits Allowed | 4,672 | 4,830 |
| Home Runs Allowed | 414 | 434 |
| Innings Pitched | 5,217 | 5,243 |
| ERA | 3.22 | 3.09 |
| WHIP | 1.25 | 1.19 |
| K/9 | 7.13 | 4.43 |
| BB/9 | 3.16 | 2.46 |
PIV Comparison
By PIV (Player Impact Value), Steve Carlton leads Warren Spahn 76,502 to 63,558 — a gap driven primarily by per-season impact (2,833 vs 2,889 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).
Steve Carlton — top 3 seasons by ERA (lower is better)
Warren Spahn — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Warren Spahn leads in wins, ERA, WHIP, and innings pitched, while Steve Carlton owns strikeouts and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Warren Spahn. Note that PIV actually grades Steve Carlton ahead, which means Warren Spahn's edge is partly volume. Click through to each profile for the full season-by-season breakdown.