Mike Mussina vs Roy Oswalt: Career Stats Comparison

Mike Mussina has the better career line of the two, leading 6 of the 8 scored categories on this page (8 further counting totals are shown but not scored). Mike Mussina played 1991–2008 as a pitcher; Roy Oswalt played 2001–2013 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

Mike Mussina (1991–2008) and Roy Oswalt (2001–2013) — they debuted in the 1990s and the 2000s respectively and share 8 seasons. Mike Mussina finished with 270 wins and 2,813 strikeouts; Roy Oswalt finished with 163 wins and 1,852 strikeouts. The table below sets out their careers line by line.

Quick answer

  • Who leads the career comparison? Mike Mussina, in 6 of the 8 scored categories.
  • Who had the better ERA? Roy Oswalt, with 3.36 to Mike Mussina's 3.68.
  • Who won more games? Mike Mussina, with 270 to Roy Oswalt's 163.
  • Who recorded more strikeouts? Mike Mussina, with 2,813 to Roy Oswalt's 1,852.
  • Who had the better WHIP? Mike Mussina, with 1.19 to Roy Oswalt's 1.21.
  • How many innings did each pitch? Mike Mussina 3,562.2, Roy Oswalt 2,245.1.
  • Who threw more shutouts? Mike Mussina, with 23 to Roy Oswalt's 8.
Leads Mike Mussina 6 of 8 scored categories
Pitcher PIV edge Mike Mussina +21,476
Read the verdict ↓

Mike Mussina

Pitcher · 1991–2008
Wins
270
Losses
153
Strikeouts
2,813
ERA
3.68
WHIP
1.19
IP
3,562.2
View Mike Mussina's full profile →

Roy Oswalt

Pitcher · 2001–2013
Wins
163
Losses
102
Strikeouts
1,852
ERA
3.36
WHIP
1.21
IP
2,245.1
View Roy Oswalt's full profile →

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.

Mike Mussina vs Roy Oswalt: Career Stats Comparison — Career Stats Side-by-Side
Statistic Mike Mussina Roy Oswalt
Wins Leads: 270 163
Losses not scored 153 102
Games not scored 537 365
Games Started not scored 536 341
Complete Games Leads: 57 20
Shutouts Leads: 23 8
Saves not scored 0 0
Strikeouts Leads: 2,813 1,852
Walks not scored 785 520
Hits Allowed not scored 3,460 2,199
Home Runs Allowed not scored 376 197
Innings Pitched not scored 3,562.2 2,245.1
ERA 3.68 Leads: 3.36
WHIP Leads: 1.19 1.21
K/9 7.11 Leads: 7.42
BB/9 Leads: 1.98 2.08

PIV Comparison

By PIV (Player Impact Value), Mike Mussina outpaces Roy Oswalt 76,572 to 55,095 — driven by both sides of the ledger: 4,254 PIV per season to 4,238, across 18 seasons to 13. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Mike Mussina
76,572
Career Pitcher PIV · 4,254 per season (18 seasons)
Roy Oswalt
55,095
Career Pitcher PIV · 4,238 per season (13 seasons)

How PIV is calculated →

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)

19922.54 ERA18-5, 130 K in 241 IP
19943.06 ERA16-5, 99 K in 176 IP
20013.15 ERA17-11, 214 K in 228 IP

Roy Oswalt — top 3 seasons by ERA (lower is better)

20012.73 ERA14-3, 144 K in 141 IP
20102.76 ERA13-13, 193 K in 211 IP
20052.94 ERA20-12, 184 K in 241 IP

Verdict

Mike Mussina leads 6 of the 8 scored categories on the head-to-head card: wins, complete games, shutouts, strikeouts, and others. Roy Oswalt leads 2: ERA and strikeouts per nine. 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

How the Mike Mussina and Roy Oswalt careers compare

The careers of Mike Mussina (1991–2008) and Roy Oswalt (2001–2013) overlapped from 2001 to 2008, so for those seasons they faced the same league conditions. With 537 games against 365 across 18 and 13 PIV seasons, neither player's totals owe much to extra seasons. Where Roy Oswalt comes out ahead, it is in ERA (3.36 to 3.68) and strikeouts per nine (7.42 to 7.11). The per-nine rows read 7.11 strikeouts and 1.98 walks for Mike Mussina, 7.42 and 2.08 for Roy Oswalt. Mike Mussina was mainly a starter (536 starts in 537 games), and Roy Oswalt was mainly a starter (341 starts in 365 games). In WHIP, Mike Mussina's 1.19 beats Roy Oswalt's 1.21.

Mike Mussina vs Roy Oswalt: Frequently Asked Questions

Who was better, Mike Mussina or Roy Oswalt?
By the career statistics compared on this page, Mike Mussina leads Roy Oswalt in 6 of the 8 scored categories.
Who had the better ERA?
Roy Oswalt, with 3.36 to Mike Mussina's 3.68.
Who won more games?
Mike Mussina, with 270 to Roy Oswalt's 163.
Who recorded more strikeouts?
Mike Mussina, with 2,813 to Roy Oswalt's 1,852.
Who had the better WHIP?
Mike Mussina, with 1.19 to Roy Oswalt's 1.21.

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