Madison Bumgarner vs Zack Greinke: Career Stats Comparison
Madison Bumgarner (2009–present) and Zack Greinke (2004–present) — both came up during the 2000s, so the matchup is a direct one. Madison Bumgarner compiled 134 wins and 2,070 strikeouts; Zack Greinke put up 225 wins and 2,979 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Madison Bumgarner
Zack Greinke
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 | Madison Bumgarner | Zack Greinke |
|---|---|---|
| Wins | 134 | 225 |
| Losses | 124 | 156 |
| Games | 358 | 586 |
| Games Started | 355 | 541 |
| Complete Games | 16 | 17 |
| Shutouts | 7 | 5 |
| Saves | 0 | 1 |
| Strikeouts | 2,070 | 2,979 |
| Walks | 544 | 762 |
| Hits Allowed | 2,007 | 3,207 |
| Home Runs Allowed | 258 | 367 |
| Innings Pitched | 2,209 | 3,389 |
| ERA | 3.47 | 3.49 |
| WHIP | 1.15 | 1.17 |
| K/9 | 8.43 | 7.91 |
| BB/9 | 2.22 | 2.02 |
PIV Comparison
By PIV (Player Impact Value), Zack Greinke outpaces Madison Bumgarner 58,246 to 26,439 — a gap driven primarily by per-season impact (2,648 vs 1,763 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
Peak Seasons
The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).
Madison Bumgarner — top 3 seasons by ERA (lower is better)
Zack Greinke — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Zack Greinke leads in wins, strikeouts, and innings pitched, while Madison Bumgarner owns ERA, WHIP, and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Zack Greinke. PIV agrees: Zack Greinke grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.