Shane Bieber vs Corey Kluber: Career Stats Comparison
Shane Bieber (2018–present) and Corey Kluber (2011–2023) — both came up during the 2010s, so the matchup is a direct one. Shane Bieber compiled 66 wins and 995 strikeouts; Corey Kluber put up 116 wins and 1,725 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Shane Bieber
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 | Shane Bieber | Corey Kluber |
|---|---|---|
| Wins | 66 | 116 |
| Losses | 34 | 77 |
| Games | 143 | 271 |
| Games Started | 141 | 260 |
| Complete Games | 5 | 18 |
| Shutouts | 2 | 8 |
| Saves | 0 | 1 |
| Strikeouts | 995 | 1,725 |
| Walks | 195 | 368 |
| Hits Allowed | 786 | 1,486 |
| Home Runs Allowed | 102 | 177 |
| Innings Pitched | 883 | 1,641 |
| ERA | 3.24 | 3.44 |
| WHIP | 1.11 | 1.13 |
| K/9 | 10.14 | 9.46 |
| BB/9 | 1.99 | 2.02 |
PIV Comparison
By PIV (Player Impact Value), Corey Kluber outpaces Shane Bieber 36,049 to 25,160 — a gap driven primarily by per-season impact (2,773 vs 3,145 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).
Shane Bieber — 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 wins, strikeouts, and innings pitched, while Shane Bieber owns ERA, WHIP, and K/9. 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.