Bob Gibson vs Andy Messersmith: Career Stats Comparison

Bob Gibson has the better career line of the two, leading 9 of the 12 scored categories on this page (4 further counting totals are shown but not scored). Bob Gibson played 1959–1975 as a pitcher; Andy Messersmith played 1968–1979 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

Bob Gibson (1959–1975) and Andy Messersmith (1968–1979) — breaking in during the 1950s and the 1960s respectively, so they pitched against very different hitting environments. Bob Gibson finished with 251 wins and 3,117 strikeouts; Andy Messersmith finished with 130 wins and 1,625 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Quick answer

  • Who had the better ERA? Andy Messersmith, with 2.86 to Bob Gibson's 2.91.
  • Who won more games? Bob Gibson, with 251 to Andy Messersmith's 130.
  • Who recorded more strikeouts? Bob Gibson, with 3,117 to Andy Messersmith's 1,625.
  • Who had the better WHIP? Andy Messersmith, with 1.14 to Bob Gibson's 1.19.
  • Who pitched more innings? Bob Gibson, with 3,884.1 to Andy Messersmith's 2,230.1.
  • Who threw more shutouts? Bob Gibson, with 56 to Andy Messersmith's 27.
  • Who has the higher career Pitcher PIV? Bob Gibson, with 69,720 career Pitcher PIV to Andy Messersmith's 19,907.
Leads Bob Gibson 9 of 12 scored categories
Pitcher PIV edge Bob Gibson +49,812
Read the verdict ↓

Bob Gibson

Pitcher · 1959–1975
Wins
251
Losses
174
Strikeouts
3,117
ERA
2.91
WHIP
1.19
IP
3,884.1
View Bob Gibson's full profile →

Andy Messersmith

Pitcher · 1968–1979
Wins
130
Losses
99
Strikeouts
1,625
ERA
2.86
WHIP
1.14
IP
2,230.1
View Andy Messersmith'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. 12 of the 16 lines below are scored; the other 4 are counting totals on which fewer is not an achievement, so no one is awarded them. 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, and the 1950s and the 1960s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.

Bob Gibson vs Andy Messersmith: Career Stats Comparison — Career Stats Side-by-Side
Statistic Bob Gibson Andy Messersmith
Wins Leads: 251 130
Losses not scored 174 99
Games Leads: 528 344
Games Started Leads: 482 295
Complete Games Leads: 255 98
Shutouts Leads: 56 27
Saves 6 Leads: 15
Strikeouts Leads: 3,117 1,625
Walks not scored 1,336 831
Hits Allowed not scored 3,279 1,719
Home Runs Allowed not scored 257 174
Innings Pitched Leads: 3,884.1 2,230.1
ERA 2.91 Leads: 2.86
WHIP 1.19 Leads: 1.14
K/9 Leads: 7.22 6.56
BB/9 Leads: 3.10 3.35

PIV Comparison through 2025

By PIV (Player Impact Value), Bob Gibson outpaces Andy Messersmith 69,720 to 19,907 — driven by both sides of the ledger: 4,101 PIV per season to 1,659, across 17 seasons to 12. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

PIV is computed through the 2025 season. The career totals on this page include 2026 to date, so PIV does not yet reflect the 2026 season.

Bob Gibson
69,720
Career Pitcher PIV · 4,101 per season (17 seasons)
Andy Messersmith
19,907
Career Pitcher PIV · 1,659 per season (12 seasons)

How PIV is calculated →

Peak Seasons

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

Bob Gibson — top 3 seasons by ERA (lower is better)

19681.12 ERA22-9, 268 K in 304 IP
19692.18 ERA20-13, 269 K in 314 IP
19662.44 ERA21-12, 225 K in 280 IP

Andy Messersmith — top 3 seasons by ERA (lower is better)

19752.29 ERA19-14, 213 K in 321 IP
19692.52 ERA16-11, 211 K in 250 IP
19742.59 ERA20-6, 221 K in 292 IP

Verdict

On the head-to-head card, Bob Gibson leads in wins, strikeouts, K/9, and innings pitched, while Andy Messersmith owns ERA and WHIP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Bob Gibson. PIV agrees: Bob Gibson grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Bob Gibson and Andy Messersmith careers compare

The careers of Bob Gibson (1959–1975) and Andy Messersmith (1968–1979) overlapped from 1968 to 1975, so for those seasons they faced the same league conditions. Bob Gibson has the far longer record, 528 games against 344 across 17 and 12 PIV seasons, which inflates every career total. Andy Messersmith's edges on the table are saves (15 to 6), ERA (2.86 to 2.91), and WHIP (1.14 to 1.19). By rate, Bob Gibson struck out 7.22 and walked 3.10 per nine innings; Andy Messersmith struck out 6.56 and walked 3.35. Bob Gibson was mainly a starter (482 starts in 528 games), and Andy Messersmith was mainly a starter (295 starts in 344 games).

Bob Gibson vs Andy Messersmith: Frequently Asked Questions

Who was better, Bob Gibson or Andy Messersmith?
By the career statistics compared on this page, Bob Gibson leads Andy Messersmith in 9 of the 12 scored categories.
Who had the better ERA?
Andy Messersmith, with 2.86 to Bob Gibson's 2.91.
Who won more games?
Bob Gibson, with 251 to Andy Messersmith's 130.
Who recorded more strikeouts?
Bob Gibson, with 3,117 to Andy Messersmith's 1,625.
Who had the better WHIP?
Andy Messersmith, with 1.14 to Bob Gibson's 1.19.

See These Players in Another Era