Sonny Gray vs Dan Haren: Career Stats Comparison
Sonny Gray (2013–present) and Dan Haren (2003–2015) — breaking in during the 2010s and the 2000s respectively, so they pitched against very different hitting environments. Sonny Gray compiled 125 wins and 1,925 strikeouts; Dan Haren put up 153 wins and 2,013 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Sonny Gray
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 | Sonny Gray | Dan Haren |
|---|---|---|
| Wins | 125 | 153 |
| Losses | 102 | 131 |
| Games | 339 | 391 |
| Games Started | 330 | 380 |
| Complete Games | 7 | 16 |
| Shutouts | 5 | 6 |
| Saves | 0 | 1 |
| Strikeouts | 1,925 | 2,013 |
| Walks | 621 | 500 |
| Hits Allowed | 1,675 | 2,357 |
| Home Runs Allowed | 192 | 305 |
| Innings Pitched | 1,918 | 2,419 |
| ERA | 3.58 | 3.75 |
| WHIP | 1.20 | 1.18 |
| K/9 | 9.03 | 7.49 |
| BB/9 | 2.91 | 1.86 |
PIV Comparison
By PIV (Player Impact Value), Sonny Gray leads Dan Haren 31,195 to 24,951 — a gap driven primarily by per-season impact (2,228 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).
Sonny Gray — 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, WHIP, and innings pitched, while Sonny Gray owns ERA and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Dan Haren. Note that PIV actually grades Sonny Gray ahead, which means Dan Haren's edge is partly volume. Click through to each profile for the full season-by-season breakdown.