George Kirby vs Greg Maddux: Career Stats Comparison

George Kirby (2022–present) and Greg Maddux (1986–2008) — breaking in during the 2020s and the 1980s respectively, so they pitched against very different hitting environments. George Kirby compiled 45 wins and 621 strikeouts; Greg Maddux put up 355 wins and 3,371 strikeouts. The numbers below run them through identical career and rate-stat lenses.

George Kirby

Pitcher · 2022–present
Wins
45
Losses
34
Strikeouts
621
ERA
3.58
WHIP
1.11
IP
637
View George Kirby's full profile →

Greg Maddux

Pitcher · 1986–2008
Wins
355
Losses
227
Strikeouts
3,371
ERA
3.16
WHIP
1.14
IP
5,008
View Greg Maddux'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 George Kirby Greg Maddux
Wins 45 355
Losses 34 227
Games 112 744
Games Started 112 740
Complete Games 1 109
Shutouts 0 35
Saves 0 0
Strikeouts 621 3,371
Walks 93 999
Hits Allowed 616 4,726
Home Runs Allowed 72 353
Innings Pitched 637 5,008
ERA 3.58 3.16
WHIP 1.11 1.14
K/9 8.76 6.06
BB/9 1.31 1.80

PIV Comparison

By PIV (Player Impact Value), Greg Maddux outpaces George Kirby 133,509 to 14,778 — a gap driven primarily by per-season impact (5,340 vs 3,695 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

George Kirby
14,778
Career Pitcher PIV · 3,695 per season (4 seasons)
Greg Maddux
133,509
Career Pitcher PIV · 5,340 per season (25 seasons)

How PIV is calculated →

Peak Seasons

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

George Kirby — top 3 seasons by ERA (lower is better)

20233.35 ERA13-10, 172 K in 190 IP
20223.39 ERA8-5, 133 K in 130 IP
20243.53 ERA14-11, 179 K in 191 IP

Greg Maddux — top 3 seasons by ERA (lower is better)

19941.56 ERA16-6, 156 K in 202 IP
19951.63 ERA19-2, 181 K in 209 IP
19922.18 ERA20-11, 199 K in 268 IP

Verdict

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

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