Sam McDowell vs Tom Seaver: Career Stats Comparison

Sam McDowell (1961–1975) and Tom Seaver (1967–1986) — both came up during the 1960s, so the matchup is a direct one. Sam McDowell compiled 141 wins and 2,453 strikeouts; Tom Seaver put up 311 wins and 3,640 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Sam McDowell

Pitcher · 1961–1975
Wins
141
Losses
134
Strikeouts
2,453
ERA
3.17
WHIP
1.31
IP
2,492
View Sam McDowell's full profile →

Tom Seaver

Pitcher · 1967–1986
Wins
311
Losses
205
Strikeouts
3,640
ERA
2.86
WHIP
1.12
IP
4,782
View Tom Seaver'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 Sam McDowell Tom Seaver
Wins 141 311
Losses 134 205
Games 425 656
Games Started 346 647
Complete Games 103 231
Shutouts 23 61
Saves 14 1
Strikeouts 2,453 3,640
Walks 1,312 1,390
Hits Allowed 1,948 3,971
Home Runs Allowed 164 380
Innings Pitched 2,492 4,782
ERA 3.17 2.86
WHIP 1.31 1.12
K/9 8.86 6.85
BB/9 4.74 2.62

PIV Comparison

By PIV (Player Impact Value), Tom Seaver outpaces Sam McDowell 79,192 to 29,989 — a gap driven primarily by per-season impact (3,600 vs 1,874 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Sam McDowell
29,989
Career Pitcher PIV · 1,874 per season (16 seasons)
Tom Seaver
79,192
Career Pitcher PIV · 3,600 per season (22 seasons)

How PIV is calculated →

Peak Seasons

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

Sam McDowell — top 3 seasons by ERA (lower is better)

19681.81 ERA15-14, 283 K in 269 IP
19652.18 ERA17-11, 325 K in 273 IP
19642.70 ERA11-6, 177 K in 173 IP

Tom Seaver — top 3 seasons by ERA (lower is better)

19711.76 ERA20-10, 289 K in 286 IP
19732.08 ERA19-10, 251 K in 290 IP
19682.20 ERA16-12, 205 K in 277 IP

Verdict

On the head-to-head card, Tom Seaver leads in wins, strikeouts, ERA, and WHIP, while Sam McDowell owns K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Tom Seaver. PIV agrees: Tom Seaver grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

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