Lefty Grove vs Claude Passeau: Career Stats Comparison

Lefty Grove (1925–1941) and Claude Passeau (1935–1947) — breaking in during the 1920s and the 1930s respectively, so they pitched against very different hitting environments. Lefty Grove compiled 300 wins and 2,266 strikeouts; Claude Passeau put up 162 wins and 1,104 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Lefty Grove

Pitcher · 1925–1941
Wins
300
Losses
141
Strikeouts
2,266
ERA
3.06
WHIP
1.28
IP
3,940
View Lefty Grove's full profile →

Claude Passeau

Pitcher · 1935–1947
Wins
162
Losses
150
Strikeouts
1,104
ERA
3.32
WHIP
1.32
IP
2,719
View Claude Passeau'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 Lefty Grove Claude Passeau
Wins 300 162
Losses 141 150
Games 616 444
Games Started 457 331
Complete Games 298 188
Shutouts 35 26
Saves 55 21
Strikeouts 2,266 1,104
Walks 1,187 728
Hits Allowed 3,849 2,856
Home Runs Allowed 162 105
Innings Pitched 3,940 2,719
ERA 3.06 3.32
WHIP 1.28 1.32
K/9 5.18 3.65
BB/9 2.71 2.41

PIV Comparison

By PIV (Player Impact Value), Lefty Grove outpaces Claude Passeau 81,321 to 39,598 — a gap driven primarily by per-season impact (4,784 vs 2,828 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Lefty Grove
81,321
Career Pitcher PIV · 4,784 per season (17 seasons)
Claude Passeau
39,598
Career Pitcher PIV · 2,828 per season (14 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Lefty Grove — top 3 seasons by ERA (lower is better)

19312.06 ERA31-4, 175 K in 288 IP
19262.51 ERA13-13, 194 K in 258 IP
19302.54 ERA28-5, 209 K in 291 IP

Claude Passeau — top 3 seasons by ERA (lower is better)

19452.46 ERA17-9, 98 K in 227 IP
19402.50 ERA20-13, 124 K in 280 IP
19422.68 ERA19-14, 89 K in 278 IP

Verdict

On the head-to-head card, Lefty Grove leads in wins, strikeouts, ERA, and WHIP, while Claude Passeau owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Lefty Grove. PIV agrees: Lefty Grove grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

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