Roy Halladay vs Johan Santana: Career Stats Comparison

Roy Halladay has the better career line of the two, leading 5 of the 8 scored categories on this page (8 further counting totals are shown but not scored). Roy Halladay played 1998–2013 as a pitcher; Johan Santana played 2000–2012 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 Johan Santana (2000–2012) — they debuted in the 1990s and the 2000s respectively and share 13 seasons. Roy Halladay finished with 203 wins and 2,117 strikeouts; Johan Santana finished with 139 wins and 1,988 strikeouts. The table below sets out their careers line by line.

Quick answer

  • Who leads the career comparison? Roy Halladay, in 5 of the 8 scored categories.
  • Who had the better ERA? Johan Santana, with 3.20 to Roy Halladay's 3.38.
  • Who won more games? Roy Halladay, with 203 to Johan Santana's 139.
  • Who recorded more strikeouts? Roy Halladay, with 2,117 to Johan Santana's 1,988.
  • Who had the better WHIP? Johan Santana, with 1.13 to Roy Halladay's 1.18.
  • How many innings did each pitch? Roy Halladay 2,749.1, Johan Santana 2,025.2.
  • Who threw more shutouts? Roy Halladay, with 20 to Johan Santana's 10.
Leads Roy Halladay 5 of 8 scored categories
Pitcher PIV edge Roy Halladay +17,746
Read the verdict ↓

Roy Halladay

Pitcher · 1998–2013
Wins
203
Losses
105
Strikeouts
2,117
ERA
3.38
WHIP
1.18
IP
2,749.1
View Roy Halladay's full profile →

Johan Santana

Pitcher · 2000–2012
Wins
139
Losses
78
Strikeouts
1,988
ERA
3.20
WHIP
1.13
IP
2,025.2
View Johan Santana'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.

Roy Halladay vs Johan Santana: Career Stats Comparison — Career Stats Side-by-Side
Statistic Roy Halladay Johan Santana
Wins Leads: 203 139
Losses not scored 105 78
Games not scored 416 360
Games Started not scored 390 284
Complete Games Leads: 67 15
Shutouts Leads: 20 10
Saves not scored 1 1
Strikeouts Leads: 2,117 1,988
Walks not scored 592 567
Hits Allowed not scored 2,646 1,726
Home Runs Allowed not scored 236 220
Innings Pitched not scored 2,749.1 2,025.2
ERA 3.38 Leads: 3.20
WHIP 1.18 Leads: 1.13
K/9 6.93 Leads: 8.83
BB/9 Leads: 1.94 2.52

PIV Comparison

By PIV (Player Impact Value), Roy Halladay outpaces Johan Santana 66,478 to 48,732 — driven by both sides of the ledger: 4,155 PIV per season to 4,061, across 16 seasons to 12. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Roy Halladay
66,478
Career Pitcher PIV · 4,155 per season (16 seasons)
Johan Santana
48,732
Career Pitcher PIV · 4,061 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).

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

20112.35 ERA19-6, 220 K in 233 IP
20052.41 ERA12-4, 108 K in 141 IP
20102.44 ERA21-10, 219 K in 250 IP

Johan Santana — top 3 seasons by ERA (lower is better)

20082.53 ERA16-7, 206 K in 234 IP
20042.61 ERA20-6, 265 K in 228 IP
20062.77 ERA19-6, 245 K in 233 IP

Verdict

Roy Halladay leads 5 of the 8 scored categories on the head-to-head card: wins, complete games, shutouts, strikeouts, and others. Johan Santana leads 3: ERA, WHIP, and strikeouts per nine. On the raw scoreboard the edge goes to Roy Halladay. PIV agrees: Roy Halladay grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Roy Halladay and Johan Santana careers compare

The careers of Roy Halladay (1998–2013) and Johan Santana (2000–2012) overlapped from 2000 to 2012, so for those seasons they faced the same league conditions. The two careers are close in length, 416 games for Roy Halladay and 360 for Johan Santana across 16 and 12 PIV seasons, so the totals compare on fairly even terms. Where Johan Santana comes out ahead, it is in ERA (3.20 to 3.38), WHIP (1.13 to 1.18), and strikeouts per nine (8.83 to 6.93). By rate, Roy Halladay struck out 6.93 and walked 1.94 per nine innings; Johan Santana struck out 8.83 and walked 2.52.

Roy Halladay vs Johan Santana: Frequently Asked Questions

Who was better, Roy Halladay or Johan Santana?
By the career statistics compared on this page, Roy Halladay leads Johan Santana in 5 of the 8 scored categories.
Who had the better ERA?
Johan Santana, with 3.20 to Roy Halladay's 3.38.
Who won more games?
Roy Halladay, with 203 to Johan Santana's 139.
Who recorded more strikeouts?
Roy Halladay, with 2,117 to Johan Santana's 1,988.
Who had the better WHIP?
Johan Santana, with 1.13 to Roy Halladay's 1.18.

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