Orel Hershiser vs Mike Mussina: Career Stats Comparison
Orel Hershiser (1983–2000) and Mike Mussina (1991–2008) — breaking in during the 1980s and the 1990s respectively, so they pitched against very different hitting environments. Orel Hershiser compiled 204 wins and 2,014 strikeouts; Mike Mussina put up 270 wins and 2,813 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Orel Hershiser
Mike Mussina
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 | Orel Hershiser | Mike Mussina |
|---|---|---|
| Wins | 204 | 270 |
| Losses | 150 | 153 |
| Games | 510 | 537 |
| Games Started | 466 | 536 |
| Complete Games | 68 | 57 |
| Shutouts | 25 | 23 |
| Saves | 5 | 0 |
| Strikeouts | 2,014 | 2,813 |
| Walks | 1,007 | 785 |
| Hits Allowed | 2,939 | 3,460 |
| Home Runs Allowed | 235 | 376 |
| Innings Pitched | 3,130 | 3,562 |
| ERA | 3.48 | 3.68 |
| WHIP | 1.26 | 1.19 |
| K/9 | 5.79 | 7.11 |
| BB/9 | 2.90 | 1.98 |
PIV Comparison
By PIV (Player Impact Value), Mike Mussina outpaces Orel Hershiser 76,572 to 37,276 — a gap driven primarily by per-season impact (4,254 vs 2,071 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).
Orel Hershiser — top 3 seasons by ERA (lower is better)
Mike Mussina — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Mike Mussina leads in wins, strikeouts, WHIP, and K/9, while Orel Hershiser owns ERA. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mike Mussina. PIV agrees: Mike Mussina grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.