Roy Halladay vs Mike Mussina: Career Stats Comparison
Mike Mussina has the better career line of the two, leading 7 of the 12 statistical categories compared on this page. Roy Halladay played 1998–2013 as a pitcher; Mike Mussina played 1991–2008 as a pitcher.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
Roy Halladay (1998–2013) and Mike Mussina (1991–2008) — both came up during the 1990s, so the matchup is a direct one. Roy Halladay compiled 203 wins and 2,117 strikeouts; Mike Mussina put up 270 wins and 2,813 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Roy Halladay, with 3.38 to Mike Mussina's 3.68.
- Who won more games? Mike Mussina, with 270 to Roy Halladay's 203.
- Who recorded more strikeouts? Mike Mussina, with 2,813 to Roy Halladay's 2,117.
- Who had the better WHIP? Roy Halladay, with 1.18 to Mike Mussina's 1.19.
- Who pitched more innings? Mike Mussina, with 3,562 to Roy Halladay's 2,749.
- Who threw more shutouts? Mike Mussina, with 23 to Roy Halladay's 20.
- Who has the higher career Pitcher PIV? Mike Mussina, with 76,572 career Pitcher PIV to Roy Halladay's 66,478.
Roy Halladay
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. Lower ERA, WHIP and BB/9 lead; higher K/9 leads. Totals where fewer is not an achievement -- losses, walks and hits allowed -- are left unmarked, because they track how long someone pitched rather than how well. Rate stats are not era-adjusted: compare them with the era in mind, or use the PIV card below, which is.
| Statistic | Roy Halladay | Mike Mussina |
|---|---|---|
| Wins | 203 | Leads: 270 |
| Losses | 105 | 153 |
| Games | 416 | Leads: 537 |
| Games Started | 390 | Leads: 536 |
| Complete Games | Leads: 67 | 57 |
| Shutouts | 20 | Leads: 23 |
| Saves | Leads: 1 | 0 |
| Strikeouts | 2,117 | Leads: 2,813 |
| Walks | 592 | 785 |
| Hits Allowed | 2,646 | 3,460 |
| Home Runs Allowed | 236 | 376 |
| Innings Pitched | 2,749 | Leads: 3,562 |
| ERA | Leads: 3.38 | 3.68 |
| WHIP | Leads: 1.18 | 1.19 |
| K/9 | 6.93 | Leads: 7.11 |
| BB/9 | Leads: 1.94 | 1.98 |
PIV Comparison
By PIV (Player Impact Value), Mike Mussina leads Roy Halladay 76,572 to 66,478 — a gap driven primarily by per-season impact (4,254 vs 4,155 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).
Roy Halladay — 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, K/9, and innings pitched, while Roy Halladay owns ERA and WHIP. 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.
Related Matchups
Roy Halladay vs Mike Mussina: Frequently Asked Questions
- Who was better, Roy Halladay or Mike Mussina?
- By the career statistics compared on this page, Mike Mussina leads Roy Halladay in 7 of 12 categories.
- Who had the better ERA?
- Roy Halladay, with 3.38 to Mike Mussina's 3.68.
- Who won more games?
- Mike Mussina, with 270 to Roy Halladay's 203.
- Who recorded more strikeouts?
- Mike Mussina, with 2,813 to Roy Halladay's 2,117.
- Who had the better WHIP?
- Roy Halladay, with 1.18 to Mike Mussina's 1.19.