Sandy Koufax vs Juan Marichal: Career Stats Comparison
Sandy Koufax (1955–1966) and Juan Marichal (1960–1975) — breaking in during the 1950s and the 1960s respectively, so they pitched against very different hitting environments. Sandy Koufax compiled 165 wins and 2,396 strikeouts; Juan Marichal put up 243 wins and 2,303 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Sandy Koufax
Juan Marichal
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 | Sandy Koufax | Juan Marichal |
|---|---|---|
| Wins | 165 | 243 |
| Losses | 87 | 142 |
| Games | 397 | 471 |
| Games Started | 314 | 457 |
| Complete Games | 137 | 244 |
| Shutouts | 40 | 52 |
| Saves | 9 | 2 |
| Strikeouts | 2,396 | 2,303 |
| Walks | 817 | 709 |
| Hits Allowed | 1,754 | 3,153 |
| Home Runs Allowed | 204 | 320 |
| Innings Pitched | 2,324 | 3,507 |
| ERA | 2.76 | 2.89 |
| WHIP | 1.11 | 1.10 |
| K/9 | 9.28 | 5.91 |
| BB/9 | 3.16 | 1.82 |
PIV Comparison
By PIV (Player Impact Value), Sandy Koufax leads Juan Marichal 63,020 to 48,870 — a gap driven primarily by per-season impact (5,252 vs 3,054 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).
Sandy Koufax — top 3 seasons by ERA (lower is better)
Juan Marichal — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Sandy Koufax leads in strikeouts, ERA, and K/9, while Juan Marichal owns wins, WHIP, and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Sandy Koufax. PIV agrees: Sandy Koufax grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.