Roy Halladay vs Jake Peavy: Career Stats Comparison

Roy Halladay (1998–2013) and Jake Peavy (2002–2016) — breaking in during the 1990s and the 2000s respectively, so they pitched against very different hitting environments. Roy Halladay compiled 203 wins and 2,117 strikeouts; Jake Peavy put up 152 wins and 2,207 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Roy Halladay

Pitcher · 1998–2013
Wins
203
Losses
105
Strikeouts
2,117
ERA
3.38
WHIP
1.18
IP
2,749
View Roy Halladay's full profile →

Jake Peavy

Pitcher · 2002–2016
Wins
152
Losses
126
Strikeouts
2,207
ERA
3.63
WHIP
1.20
IP
2,377
View Jake Peavy'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 Roy Halladay Jake Peavy
Wins 203 152
Losses 105 126
Games 416 388
Games Started 390 377
Complete Games 67 15
Shutouts 20 6
Saves 1 0
Strikeouts 2,117 2,207
Walks 592 708
Hits Allowed 2,646 2,134
Home Runs Allowed 236 259
Innings Pitched 2,749 2,377
ERA 3.38 3.63
WHIP 1.18 1.20
K/9 6.93 8.36
BB/9 1.94 2.68

PIV Comparison

By PIV (Player Impact Value), Roy Halladay outpaces Jake Peavy 66,478 to 34,745 — a gap driven primarily by per-season impact (4,155 vs 1,930 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Roy Halladay
66,478
Career Pitcher PIV · 4,155 per season (16 seasons)
Jake Peavy
34,745
Career Pitcher PIV · 1,930 per season (18 seasons)

How PIV is calculated →

Peak Seasons

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

Roy Halladay — top 3 seasons by ERA (lower is better)

20112.35 ERA19-6, 220 K in 233 IP
20052.41 ERA12-4, 108 K in 141 IP
20102.44 ERA21-10, 219 K in 250 IP

Jake Peavy — top 3 seasons by ERA (lower is better)

20042.27 ERA15-6, 173 K in 166 IP
20072.54 ERA19-6, 240 K in 223 IP
20082.85 ERA10-11, 166 K in 173 IP

Verdict

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

Related Matchups

See These Players in Another Era