Dan Haren vs Jon Lieber: Career Stats Comparison
Dan Haren (2003–2015) and Jon Lieber (1994–2008) — breaking in during the 2000s and the 1990s respectively, so they pitched against very different hitting environments. Dan Haren compiled 153 wins and 2,013 strikeouts; Jon Lieber put up 131 wins and 1,553 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Dan Haren
Jon Lieber
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 | Dan Haren | Jon Lieber |
|---|---|---|
| Wins | 153 | 131 |
| Losses | 131 | 124 |
| Games | 391 | 401 |
| Games Started | 380 | 327 |
| Complete Games | 16 | 25 |
| Shutouts | 6 | 5 |
| Saves | 1 | 2 |
| Strikeouts | 2,013 | 1,553 |
| Walks | 500 | 422 |
| Hits Allowed | 2,357 | 2,388 |
| Home Runs Allowed | 305 | 285 |
| Innings Pitched | 2,419 | 2,198 |
| ERA | 3.75 | 4.27 |
| WHIP | 1.18 | 1.28 |
| K/9 | 7.49 | 6.36 |
| BB/9 | 1.86 | 1.73 |
PIV Comparison
By PIV (Player Impact Value), Jon Lieber leads Dan Haren 27,226 to 24,951 — a gap driven primarily by per-season impact (1,945 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).
Dan Haren — top 3 seasons by ERA (lower is better)
Jon Lieber — 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 Jon Lieber 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 Jon Lieber ahead, which means Dan Haren's edge is partly volume. Click through to each profile for the full season-by-season breakdown.