Randy Johnson vs Mike Mussina: Career Stats Comparison

Randy Johnson 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). Randy Johnson played 1988–2009 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

Randy Johnson (1988–2009) and Mike Mussina (1991–2008) — they debuted in the 1980s and the 1990s respectively and share 18 seasons. Randy Johnson finished with 303 wins and 4,875 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? Randy Johnson, in 7 of the 8 scored categories.
  • Who had the better ERA? Randy Johnson, with 3.29 to Mike Mussina's 3.68.
  • Who won more games? Randy Johnson, with 303 to Mike Mussina's 270.
  • Who recorded more strikeouts? Randy Johnson, with 4,875 to Mike Mussina's 2,813.
  • Who had the better WHIP? Randy Johnson, with 1.17 to Mike Mussina's 1.19.
  • How many innings did each pitch? Randy Johnson 4,135.1, Mike Mussina 3,562.2.
  • Who threw more shutouts? Randy Johnson, with 37 to Mike Mussina's 23.
Leads Randy Johnson 7 of 8 scored categories
Pitcher PIV edge Randy Johnson +45,958
Read the verdict ↓

Randy Johnson

Pitcher · 1988–2009
Wins
303
Losses
166
Strikeouts
4,875
ERA
3.29
WHIP
1.17
IP
4,135.1
View Randy Johnson's full profile →

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 →

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.

Randy Johnson vs Mike Mussina: Career Stats Comparison — Career Stats Side-by-Side
Statistic Randy Johnson Mike Mussina
Wins Leads: 303 270
Losses not scored 166 153
Games not scored 618 537
Games Started not scored 603 536
Complete Games Leads: 100 57
Shutouts Leads: 37 23
Saves not scored 2 0
Strikeouts Leads: 4,875 2,813
Walks not scored 1,497 785
Hits Allowed not scored 3,346 3,460
Home Runs Allowed not scored 411 376
Innings Pitched not scored 4,135.1 3,562.2
ERA Leads: 3.29 3.68
WHIP Leads: 1.17 1.19
K/9 Leads: 10.61 7.11
BB/9 3.26 Leads: 1.98

PIV Comparison

By PIV (Player Impact Value), Randy Johnson outpaces Mike Mussina 122,530 to 76,572 — driven by both sides of the ledger: 5,570 PIV per season to 4,254, across 22 seasons to 18. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Randy Johnson
122,530
Career Pitcher PIV · 5,570 per season (22 seasons)
Mike Mussina
76,572
Career Pitcher PIV · 4,254 per season (18 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Randy Johnson — top 3 seasons by ERA (lower is better)

19972.28 ERA20-4, 291 K in 213 IP
20022.32 ERA24-5, 334 K in 260 IP
19952.48 ERA18-2, 294 K in 214 IP

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

Verdict

Randy Johnson 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 Randy Johnson. PIV agrees: Randy Johnson grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Randy Johnson and Mike Mussina careers compare

The careers of Randy Johnson (1988–2009) and Mike Mussina (1991–2008) overlapped from 1991 to 2008, so for those seasons they faced the same league conditions. With 618 games against 537 across 22 and 18 PIV seasons, neither player's totals owe much to extra seasons. The green cells for Mike Mussina are walks per nine (1.98 to 3.26). By rate, Randy Johnson struck out 10.61 and walked 3.26 per nine innings; Mike Mussina struck out 7.11 and walked 1.98. Randy Johnson was mainly a starter (603 starts in 618 games), and Mike Mussina was mainly a starter (536 starts in 537 games). In WHIP, Randy Johnson's 1.17 beats Mike Mussina's 1.19.

Randy Johnson vs Mike Mussina: Frequently Asked Questions

Who was better, Randy Johnson or Mike Mussina?
By the career statistics compared on this page, Randy Johnson leads Mike Mussina in 7 of the 8 scored categories.
Who had the better ERA?
Randy Johnson, with 3.29 to Mike Mussina's 3.68.
Who won more games?
Randy Johnson, with 303 to Mike Mussina's 270.
Who recorded more strikeouts?
Randy Johnson, with 4,875 to Mike Mussina's 2,813.
Who had the better WHIP?
Randy Johnson, with 1.17 to Mike Mussina's 1.19.

See These Players in Another Era