Sandy Koufax vs Curt Simmons: Career Stats Comparison

Sandy Koufax (1955–1966) and Curt Simmons (1947–1967) — breaking in during the 1950s and the 1940s respectively, so they pitched against very different hitting environments. Sandy Koufax compiled 165 wins and 2,396 strikeouts; Curt Simmons put up 193 wins and 1,697 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Sandy Koufax

Pitcher · 1955–1966
Wins
165
Losses
87
Strikeouts
2,396
ERA
2.76
WHIP
1.11
IP
2,324
View Sandy Koufax's full profile →

Curt Simmons

Pitcher · 1947–1967
Wins
193
Losses
183
Strikeouts
1,697
ERA
3.54
WHIP
1.31
IP
3,348
View Curt Simmons'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 Sandy Koufax Curt Simmons
Wins 165 193
Losses 87 183
Games 397 569
Games Started 314 462
Complete Games 137 163
Shutouts 40 36
Saves 9 5
Strikeouts 2,396 1,697
Walks 817 1,063
Hits Allowed 1,754 3,313
Home Runs Allowed 204 255
Innings Pitched 2,324 3,348
ERA 2.76 3.54
WHIP 1.11 1.31
K/9 9.28 4.56
BB/9 3.16 2.86

PIV Comparison

By PIV (Player Impact Value), Sandy Koufax outpaces Curt Simmons 63,020 to 32,211 — a gap driven primarily by per-season impact (5,252 vs 1,400 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Sandy Koufax
63,020
Career Pitcher PIV · 5,252 per season (12 seasons)
Curt Simmons
32,211
Career Pitcher PIV · 1,400 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).

Sandy Koufax — top 3 seasons by ERA (lower is better)

19661.73 ERA27-9, 317 K in 323 IP
19641.74 ERA19-5, 223 K in 223 IP
19631.88 ERA25-5, 306 K in 311 IP

Curt Simmons — top 3 seasons by ERA (lower is better)

19632.48 ERA15-9, 127 K in 232 IP
19602.66 ERA7-4, 63 K in 152 IP
19542.81 ERA14-15, 125 K in 253 IP

Verdict

On the head-to-head card, Sandy Koufax leads in strikeouts, ERA, WHIP, and K/9, while Curt Simmons owns wins 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.

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