Mike Mussina vs Andy Pettitte: Career Stats Comparison
Mike Mussina (1991–2008) and Andy Pettitte (1995–2013) — both came up during the 1990s, so the matchup is a direct one. Mike Mussina compiled 270 wins and 2,813 strikeouts; Andy Pettitte put up 256 wins and 2,448 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Mike Mussina
Andy Pettitte
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 | Mike Mussina | Andy Pettitte |
|---|---|---|
| Wins | 270 | 256 |
| Losses | 153 | 153 |
| Games | 537 | 531 |
| Games Started | 536 | 521 |
| Complete Games | 57 | 26 |
| Shutouts | 23 | 4 |
| Saves | 0 | 0 |
| Strikeouts | 2,813 | 2,448 |
| Walks | 785 | 1,031 |
| Hits Allowed | 3,460 | 3,448 |
| Home Runs Allowed | 376 | 288 |
| Innings Pitched | 3,562 | 3,316 |
| ERA | 3.68 | 3.85 |
| WHIP | 1.19 | 1.35 |
| K/9 | 7.11 | 6.64 |
| BB/9 | 1.98 | 2.80 |
PIV Comparison
By PIV (Player Impact Value), Mike Mussina outpaces Andy Pettitte 76,572 to 57,293 — a gap driven primarily by per-season impact (4,254 vs 3,183 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).
Mike Mussina — top 3 seasons by ERA (lower is better)
Andy Pettitte — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Mike Mussina leads in wins, strikeouts, ERA, and WHIP, while Andy Pettitte owns no headline categories. 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.