A. J. Burnett vs Zack Greinke: Career Stats Comparison
A. J. Burnett (1999–2015) and Zack Greinke (2004–present) — breaking in during the 1990s and the 2000s respectively, so they pitched against very different hitting environments. A. J. Burnett compiled 164 wins and 2,513 strikeouts; Zack Greinke put up 225 wins and 2,979 strikeouts. The numbers below run them through identical career and rate-stat lenses.
A. J. Burnett
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 | A. J. Burnett | Zack Greinke |
|---|---|---|
| Wins | 164 | 225 |
| Losses | 157 | 156 |
| Games | 435 | 586 |
| Games Started | 430 | 541 |
| Complete Games | 24 | 17 |
| Shutouts | 10 | 5 |
| Saves | 0 | 1 |
| Strikeouts | 2,513 | 2,979 |
| Walks | 1,100 | 762 |
| Hits Allowed | 2,519 | 3,207 |
| Home Runs Allowed | 263 | 367 |
| Innings Pitched | 2,731 | 3,389 |
| ERA | 3.99 | 3.49 |
| WHIP | 1.32 | 1.17 |
| K/9 | 8.28 | 7.91 |
| BB/9 | 3.62 | 2.02 |
PIV Comparison
By PIV (Player Impact Value), Zack Greinke outpaces A. J. Burnett 58,246 to 24,537 — a gap driven primarily by per-season impact (2,648 vs 1,443 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).
A. J. Burnett — 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, ERA, and WHIP, while A. J. Burnett owns 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.