Sonny Gray vs Corey Kluber: Career Stats Comparison
Sonny Gray (2013–present) and Corey Kluber (2011–2023) — both came up during the 2010s, so the matchup is a direct one. Sonny Gray compiled 125 wins and 1,925 strikeouts; Corey Kluber put up 116 wins and 1,725 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Sonny Gray
Corey Kluber
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 | Corey Kluber |
|---|---|---|
| Wins | 125 | 116 |
| Losses | 102 | 77 |
| Games | 339 | 271 |
| Games Started | 330 | 260 |
| Complete Games | 7 | 18 |
| Shutouts | 5 | 8 |
| Saves | 0 | 1 |
| Strikeouts | 1,925 | 1,725 |
| Walks | 621 | 368 |
| Hits Allowed | 1,675 | 1,486 |
| Home Runs Allowed | 192 | 177 |
| Innings Pitched | 1,918 | 1,641 |
| ERA | 3.58 | 3.44 |
| WHIP | 1.20 | 1.13 |
| K/9 | 9.03 | 9.46 |
| BB/9 | 2.91 | 2.02 |
PIV Comparison
By PIV (Player Impact Value), Corey Kluber leads Sonny Gray 36,049 to 31,195 — a gap driven primarily by per-season impact (2,773 vs 2,228 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)
Corey Kluber — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Corey Kluber leads in ERA, WHIP, and K/9, while Sonny Gray owns wins, strikeouts, and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Corey Kluber. PIV agrees: Corey Kluber grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.