Shane Bieber vs Madison Bumgarner: Career Stats Comparison
Shane Bieber (2018–present) and Madison Bumgarner (2009–present) — breaking in during the 2010s and the 2000s respectively, so they pitched against very different hitting environments. Shane Bieber compiled 66 wins and 995 strikeouts; Madison Bumgarner put up 134 wins and 2,070 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Shane Bieber
Madison Bumgarner
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 | Madison Bumgarner |
|---|---|---|
| Wins | 66 | 134 |
| Losses | 34 | 124 |
| Games | 143 | 358 |
| Games Started | 141 | 355 |
| Complete Games | 5 | 16 |
| Shutouts | 2 | 7 |
| Saves | 0 | 0 |
| Strikeouts | 995 | 2,070 |
| Walks | 195 | 544 |
| Hits Allowed | 786 | 2,007 |
| Home Runs Allowed | 102 | 258 |
| Innings Pitched | 883 | 2,209 |
| ERA | 3.24 | 3.47 |
| WHIP | 1.11 | 1.15 |
| K/9 | 10.14 | 8.43 |
| BB/9 | 1.99 | 2.22 |
PIV Comparison
By PIV (Player Impact Value), Madison Bumgarner edges Shane Bieber 26,439 to 25,160 — a gap driven primarily by per-season impact (1,763 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)
Madison Bumgarner — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Madison Bumgarner 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 Madison Bumgarner. PIV agrees: Madison Bumgarner grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.