Roy Halladay vs Dan Haren: Career Stats Comparison
Roy Halladay (1998–2013) and Dan Haren (2003–2015) — 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; Dan Haren put up 153 wins and 2,013 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Roy Halladay
Dan Haren
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 | Dan Haren |
|---|---|---|
| Wins | 203 | 153 |
| Losses | 105 | 131 |
| Games | 416 | 391 |
| Games Started | 390 | 380 |
| Complete Games | 67 | 16 |
| Shutouts | 20 | 6 |
| Saves | 1 | 1 |
| Strikeouts | 2,117 | 2,013 |
| Walks | 592 | 500 |
| Hits Allowed | 2,646 | 2,357 |
| Home Runs Allowed | 236 | 305 |
| Innings Pitched | 2,749 | 2,419 |
| ERA | 3.38 | 3.75 |
| WHIP | 1.18 | 1.18 |
| K/9 | 6.93 | 7.49 |
| BB/9 | 1.94 | 1.86 |
PIV Comparison
By PIV (Player Impact Value), Roy Halladay outpaces Dan Haren 66,478 to 24,951 — a gap driven primarily by per-season impact (4,155 vs 1,663 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).
Roy Halladay — top 3 seasons by ERA (lower is better)
Dan Haren — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Roy Halladay leads in wins, strikeouts, ERA, and WHIP, while Dan Haren owns 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.