Jim Bunning vs Tom Seaver: Career Stats Comparison

Jim Bunning (1955–1971) and Tom Seaver (1967–1986) — breaking in during the 1950s and the 1960s respectively, so they pitched against very different hitting environments. Jim Bunning compiled 224 wins and 2,855 strikeouts; Tom Seaver put up 311 wins and 3,640 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Jim Bunning

Pitcher · 1955–1971
Wins
224
Losses
184
Strikeouts
2,855
ERA
3.27
WHIP
1.18
IP
3,760
View Jim Bunning'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 Jim Bunning Tom Seaver
Wins 224 311
Losses 184 205
Games 591 656
Games Started 519 647
Complete Games 151 231
Shutouts 40 61
Saves 16 1
Strikeouts 2,855 3,640
Walks 1,000 1,390
Hits Allowed 3,433 3,971
Home Runs Allowed 372 380
Innings Pitched 3,760 4,782
ERA 3.27 2.86
WHIP 1.18 1.12
K/9 6.83 6.85
BB/9 2.39 2.62

PIV Comparison

By PIV (Player Impact Value), Tom Seaver outpaces Jim Bunning 79,192 to 44,929 — a gap driven primarily by per-season impact (3,600 vs 2,496 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Jim Bunning
44,929
Career Pitcher PIV · 2,496 per season (18 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).

Jim Bunning — top 3 seasons by ERA (lower is better)

19672.29 ERA17-15, 253 K in 302 IP
19662.41 ERA19-14, 252 K in 314 IP
19652.60 ERA19-9, 268 K in 291 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 Jim Bunning owns no headline categories. 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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