who has best pitching winning percentage in a world series career

50 pitchers are tied for the best career win percentage in the World Series, at 1.000. The first three are Will Klein, Trey Yesavage and Yoshinobu Yamamoto.

NAMEW%SERIESWLGGSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAH/9
1Will Klein
W. Klein
1.000
World Series
1
0
2
0
0.00
5
0
0
0
5.0
2
0
0
0
2
0
2
0
19
1
9.00
3.60
2.50
0.00
26.3
10.5
0.80
.167
0.00
3.60
2Trey Yesavage
T. Yesavage
1.000
World Series
1
0
3
2
2.84
17
0
0
0
12.2
8
4
4
2
4
1
0
0
48
0
12.08
2.84
4.25
1.42
35.4
8.3
0.95
.250
2.84
5.68
3Yoshinobu Yamamoto
Y. Yamamoto
1.000
World Series
4
0
4
3
1.13
19
1
0
0
24.0
11
3
3
1
4
2
1
0
87
0
7.13
1.50
4.75
0.38
21.8
4.6
0.63
.164
1.13
4.13
4Clay Holmes
C. Holmes
1.000
World Series
1
0
5
0
0.00
6
0
0
0
4.1
1
0
0
0
2
1
0
0
16
0
12.46
4.15
3.00
0.00
37.5
12.5
0.69
.143
0.00
2.08
5Andrew Heaney
A. Heaney
1.000
World Series
1
0
2
1
1.59
3
0
0
0
5.2
5
1
1
0
2
0
0
0
23
0
4.76
3.18
1.50
0.00
13.0
8.7
1.24
.278
1.59
7.94
6Merrill Kelly
M. Kelly
1.000
World Series
1
0
1
1
1.29
9
0
0
0
7.0
3
1
1
1
0
0
0
0
24
0
11.57
0.00
1.29
37.5
0.0
0.43
.143
1.29
3.86
7Jon Gray
J. Gray
1.000
World Series
1
0
2
0
0.00
7
0
0
0
4.2
2
0
0
0
0
0
0
0
16
0
13.50
0.00
0.00
43.8
0.0
0.43
.222
0.00
3.86
8José Leclerc
J. Leclerc
1.000
World Series
1
0
3
0
0.00
4
0
0
1
3.1
1
0
0
0
0
0
3
0
11
0
10.80
0.00
0.00
36.4
0.0
0.30
.143
0.00
2.70
9Seranthony Domínguez
S. Domínguez
1.000
World Series
2
0
8
0
2.35
8
0
0
0
7.2
6
2
2
1
7
0
0
0
36
1
9.39
8.22
1.14
1.17
22.2
19.4
1.70
.250
2.35
7.04
10Ranger Suarez
R. Suarez
1.000
World Series
1
0
2
1
0.00
5
0
0
0
5.2
4
0
0
0
1
0
0
0
22
0
7.94
1.59
5.00
0.00
22.7
4.5
0.88
.250
0.00
6.35
11Ian Anderson
I. Anderson
1.000
World Series
1
0
1
1
0.00
4
0
0
0
5.0
0
0
0
0
3
1
0
0
18
0
7.20
5.40
1.33
0.00
22.2
16.7
0.60
.000
0.00
0.00
12Tyler Matzek
T. Matzek
1.000
World Series
1
0
4
0
1.69
7
0
0
0
5.1
6
1
1
0
0
0
0
0
21
0
11.81
0.00
0.00
33.3
0.0
1.13
.429
1.69
10.13
13Blake Treinen
B. Treinen
1.000
World Series
2
0
9
0
5.19
12
0
0
1
8.2
12
5
5
0
3
1
3
1
42
1
12.46
3.12
4.00
0.00
28.6
7.1
1.73
.462
5.19
12.46
14John Curtiss
J. Curtiss
1.000
World Series
1
0
3
0
2.70
3
0
0
0
3.1
4
1
1
1
1
0
2
0
15
0
8.10
2.70
3.00
2.70
20.0
6.7
1.50
.300
2.70
10.80
15Victor González
V. González
1.000
World Series
1
0
4
0
2.45
3
0
0
0
3.2
2
1
1
0
2
0
0
0
14
1
7.36
4.91
1.50
0.00
21.4
14.3
1.09
.222
2.45
4.91
16José Urquidy
J. Urquidy
1.000
World Series
3
0
5
2
1.23
15
0
0
0
14.2
11
2
2
1
1
0
2
0
56
2
9.20
0.61
15.00
0.61
26.8
1.8
0.82
.256
1.23
6.75
17Josh James
J. James
1.000
World Series
1
0
3
0
10.80
5
0
0
0
1.2
2
2
4
1
3
0
0
0
11
0
27.00
16.20
1.67
5.40
45.5
27.3
3.00
.500
21.60
10.80
18Stephen Strasburg
S. Strasburg
1.000
World Series
2
0
2
2
2.51
14
0
0
0
14.1
12
4
4
2
3
0
0
1
58
1
8.79
1.88
4.67
1.26
24.1
5.2
1.05
.256
2.51
7.53
19Walker Buehler
W. Buehler
1.000
World Series
2
0
4
3
0.47
24
0
0
1
19.0
7
1
1
0
3
0
1
0
64
0
11.37
1.42
8.00
0.00
37.5
4.7
0.53
.189
0.47
3.32
20Matt Barnes
M. Barnes
1.000
World Series
1
0
3
0
0.00
4
0
0
0
2.1
2
0
0
0
1
0
0
0
10
1
15.43
3.86
4.00
0.00
40.0
10.0
1.29
.400
0.00
7.71
21Alex Wood
A. Wood
1.000
World Series
1
0
7
1
1.93
13
0
0
0
14.0
6
3
3
2
4
0
3
1
50
0
8.36
2.57
3.25
1.29
26.0
8.0
0.71
.129
1.93
3.86
22Joe Musgrove
J. Musgrove
1.000
World Series
1
0
4
0
6.75
2
0
0
0
4.0
3
3
3
2
1
0
2
1
16
0
4.50
2.25
2.00
4.50
12.5
6.3
1.00
.091
6.75
6.75
23Tony Watson
T. Watson
1.000
World Series
2
0
5
0
0.00
1
0
0
0
3.2
2
0
1
0
1
1
0
0
14
0
2.45
2.45
1.00
0.00
7.1
7.1
0.82
.182
2.45
4.91
24Chris Devenski
C. Devenski
1.000
World Series
1
0
8
0
7.88
8
0
0
0
8.0
7
7
7
3
2
1
5
0
34
0
9.00
2.25
4.00
3.38
23.5
5.9
1.13
.200
7.88
7.88
25Jake Arrieta
J. Arrieta
1.000
World Series
2
0
2
2
2.38
15
0
0
0
11.1
5
3
3
1
6
1
0
0
46
1
11.91
4.76
2.50
0.79
32.6
13.0
0.97
.174
2.38
3.97
StatMuse has game-level data for pitcher win percentage going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.

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TEAMWLPCTGB
Dodgers Dodgers
21
13
.618
20
13
.606
0.5
16
17
.485
4.5
14
21
.400
7.5
13
21
.382
8.0
Schedule
DATEMATCHUPTIME (ET)
Mon
5/4
@
8:10 PM
Tue
5/5
@
8:10 PM
Wed
5/6
@
2:10 PM
Fri
5/8
@
10:10 PM
Sat
5/9
@
9:10 PM
Last Game
LAD Dodgers

21 - 13

4

Final

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STL Cardinals

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Sun 3 May 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
25
10
.714
16
18
.471
8.5
16
19
.457
9.0
14
20
.412
10.5
12
22
.353
12.5
NL CentralWLPCTGB
22
12
.647
20
14
.588
2.0
20
14
.588
2.0
18
15
.545
3.5
19
16
.543
3.5
NL WestWLPCTGB
21
13
.618
20
13
.606
0.5
16
17
.485
4.5
14
21
.400
7.5
13
21
.382
8.0
AL EastWLPCTGB
23
11
.676
21
12
.636
1.5
16
18
.471
7.0
15
19
.441
8.0
13
21
.382
10.0
AL CentralWLPCTGB
18
17
.514
17
17
.500
0.5
16
18
.471
1.5
15
19
.441
2.5
15
20
.429
3.0
AL WestWLPCTGB
18
16
.529
16
17
.485
1.5
16
19
.457
2.5
14
21
.400
4.5
13
22
.371
5.5

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sat
4/18
@
6-7
Sun
4/19
@
3-6
Sun
4/19
@
0-3
Sun
4/19
@
0-7
Sun
4/19
@
4-8

Schedule

DATEMATCHUPTIME (ET)
Mon
5/4
@
5:40 PM
Mon
5/4
@
6:40 PM
Mon
5/4
@
6:40 PM
Mon
5/4
@
6:40 PM
Mon
5/4
@
7:05 PM