Roger Clemens vs Mike Mussina: Career Stats Comparison
Roger Clemens has the better career line of the two, leading 7 of the 8 scored categories on this page (8 further counting totals are shown but not scored). Roger Clemens played 1984–2007 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
Roger Clemens (1984–2007) and Mike Mussina (1991–2008) — they debuted in the 1980s and the 1990s respectively and share 17 seasons. Roger Clemens finished with 354 wins and 4,672 strikeouts; Mike Mussina finished with 270 wins and 2,813 strikeouts. The table below sets out their careers line by line.
Quick answer
- Who leads the career comparison? Roger Clemens, in 7 of the 8 scored categories.
- Who had the better ERA? Roger Clemens, with 3.12 to Mike Mussina's 3.68.
- Who won more games? Roger Clemens, with 354 to Mike Mussina's 270.
- Who recorded more strikeouts? Roger Clemens, with 4,672 to Mike Mussina's 2,813.
- Who had the better WHIP? Roger Clemens, with 1.17 to Mike Mussina's 1.19.
- How many innings did each pitch? Roger Clemens 4,916.2, Mike Mussina 3,562.2.
- Who threw more shutouts? Roger Clemens, with 46 to Mike Mussina's 23.
Roger Clemens
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. 8 of the 16 lines below are scored; the other 8 are shown but not scored. Games, starts and innings measure playing time, and losses, walks and hits allowed track how long someone pitched, so they are left unmarked, as is any line where both players are at zero. Rate stats are not era-adjusted, so read them against the run environment each player worked in, or use the PIV card below, which is adjusted.
| Statistic | Roger Clemens | Mike Mussina |
|---|---|---|
| Wins | Leads: 354 | 270 |
| Losses not scored | 184 | 153 |
| Games not scored | 709 | 537 |
| Games Started not scored | 707 | 536 |
| Complete Games | Leads: 118 | 57 |
| Shutouts | Leads: 46 | 23 |
| Saves not scored | 0 | 0 |
| Strikeouts | Leads: 4,672 | 2,813 |
| Walks not scored | 1,580 | 785 |
| Hits Allowed not scored | 4,185 | 3,460 |
| Home Runs Allowed not scored | 363 | 376 |
| Innings Pitched not scored | 4,916.2 | 3,562.2 |
| ERA | Leads: 3.12 | 3.68 |
| WHIP | Leads: 1.17 | 1.19 |
| K/9 | Leads: 8.55 | 7.11 |
| BB/9 | 2.89 | Leads: 1.98 |
PIV Comparison
By PIV (Player Impact Value), Roger Clemens outpaces Mike Mussina 146,187 to 76,572 — driven by both sides of the ledger: 6,091 PIV per season to 4,254, across 24 seasons to 18. 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).
Roger Clemens — top 3 seasons by ERA (lower is better)
Mike Mussina — top 3 seasons by ERA (lower is better)
Verdict
Roger Clemens leads 7 of the 8 scored categories on the head-to-head card: wins, complete games, shutouts, strikeouts, and others. Mike Mussina leads 1: walks per nine. On the raw scoreboard the edge goes to Roger Clemens. PIV agrees: Roger Clemens grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Roger Clemens and Mike Mussina careers compare
The careers of Roger Clemens (1984–2007) and Mike Mussina (1991–2008) overlapped from 1991 to 2007, so for those seasons they faced the same league conditions. The two careers are close in length, 709 games for Roger Clemens and 537 for Mike Mussina across 24 and 18 PIV seasons, so the totals compare on fairly even terms. Mike Mussina's edges on the table are walks per nine (1.98 to 2.89). The per-nine rows read 8.55 strikeouts and 2.89 walks for Roger Clemens, 7.11 and 1.98 for Mike Mussina. Roger Clemens was mainly a starter (707 starts in 709 games), and Mike Mussina was mainly a starter (536 starts in 537 games).
Roger Clemens vs Mike Mussina: Frequently Asked Questions
- Who was better, Roger Clemens or Mike Mussina?
- By the career statistics compared on this page, Roger Clemens leads Mike Mussina in 7 of the 8 scored categories.
- Who had the better ERA?
- Roger Clemens, with 3.12 to Mike Mussina's 3.68.
- Who won more games?
- Roger Clemens, with 354 to Mike Mussina's 270.
- Who recorded more strikeouts?
- Roger Clemens, with 4,672 to Mike Mussina's 2,813.
- Who had the better WHIP?
- Roger Clemens, with 1.17 to Mike Mussina's 1.19.