Chris Carpenter vs Dan Haren: Career Stats Comparison
Chris Carpenter (1997–2012) and Dan Haren (2003–2015) — breaking in during the 1990s and the 2000s respectively, so they pitched against very different hitting environments. Chris Carpenter compiled 144 wins and 1,697 strikeouts; Dan Haren put up 153 wins and 2,013 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Chris Carpenter
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 | Chris Carpenter | Dan Haren |
|---|---|---|
| Wins | 144 | 153 |
| Losses | 94 | 131 |
| Games | 350 | 391 |
| Games Started | 332 | 380 |
| Complete Games | 33 | 16 |
| Shutouts | 15 | 6 |
| Saves | 0 | 1 |
| Strikeouts | 1,697 | 2,013 |
| Walks | 627 | 500 |
| Hits Allowed | 2,205 | 2,357 |
| Home Runs Allowed | 220 | 305 |
| Innings Pitched | 2,219 | 2,419 |
| ERA | 3.76 | 3.75 |
| WHIP | 1.28 | 1.18 |
| K/9 | 6.88 | 7.49 |
| BB/9 | 2.54 | 1.86 |
PIV Comparison
By PIV (Player Impact Value), Chris Carpenter leads Dan Haren 32,497 to 24,951 — a gap driven primarily by per-season impact (2,166 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).
Chris Carpenter — 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, Dan Haren leads in wins, strikeouts, ERA, and WHIP, while Chris Carpenter owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Dan Haren. Note that PIV actually grades Chris Carpenter ahead, which means Dan Haren's edge is partly volume. Click through to each profile for the full season-by-season breakdown.