mlb pitchers with most wins and no losses in a season

Tom Zachary has the most wins in wins in a season, with 12 wins in 1929.

NAMEWLSEASONTMW%L%GGSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Tom Zachary
T. Zachary
12
0
1929
1.000
.000
26
11
2.48
35
7
2
2
119.2
131
33
43
5
30
2
9
512
1
2.63
2.26
1.17
0.38
6.8
5.9
1.35
.286
3.23
62
3.92
94
9.85
2.9
2Dennis Lamp
D. Lamp
11
0
1985
1.000
.000
53
1
3.32
68
0
0
2
105.2
96
39
42
7
27
0
11
3
426
5
5.79
2.30
2.52
0.60
16.0
6.3
1.16
.275
3.58
79
3.02
74
8.18
12.5
3Aaron Small
A. Small
10
0
2005
1.000
.000
15
9
3.20
37
1
1
0
76.0
71
27
27
4
24
5
1
0
316
0
4.38
2.84
1.54
0.47
11.7
7.6
1.25
.272
3.20
74
3.86
89
8.41
3.8
4Howie Krist
H. Krist
10
0
1941
1.000
.000
37
8
4.03
36
2
0
2
114.0
107
51
57
10
35
1
17
476
1
2.84
2.76
1.03
0.79
7.6
7.4
1.25
.246
4.50
108
4.12
107
8.45
-3.2
5Frank DiPino
F. DiPino
9
0
1989
1.000
.000
67
0
2.45
44
0
0
0
88.1
73
24
26
6
20
0
8
7
347
2
4.48
2.04
2.20
0.61
12.7
5.8
1.05
.242
2.65
70
3.32
93
7.44
2.3
6Ken Holtzman
K. Holtzman
9
0
1967
1.000
.000
12
12
2.53
62
3
0
0
92.2
76
26
31
11
44
2
0
7
392
4
6.02
4.27
1.41
1.07
15.8
11.2
1.29
.238
3.01
72
4.23
125
7.38
-8.2
7Joe Pate
J. Pate
9
0
1926
1.000
.000
47
2
2.71
24
0
0
7
113.0
109
34
38
3
51
2
33
489
1
1.91
4.06
0.47
0.24
4.9
10.4
1.42
.259
3.03
67
4.24
105
8.68
-2.3
8Aaron Ashby
A. Ashby
8
0
2026
1.000
.000
21
1
2.17
44
0
0
0
29.0
23
7
8
1
15
0
1
1
121
3
13.66
4.66
2.93
0.31
36.4
12.4
1.31
.361
2.48
54
2.05
51
7.14
6.4
9Nick Sandlin
N. Sandlin
8
0
2024
1.000
.000
68
1
3.75
68
0
0
1
57.2
46
24
29
12
27
6
7
2
246
1
10.61
4.21
2.52
1.87
27.6
11.0
1.27
.256
4.53
94
5.22
129
7.18
-7.6
10Nate Jones
N. Jones
8
0
2012
1.000
.000
65
0
2.39
65
0
0
0
71.2
67
19
19
4
32
1
11
3
301
5
8.16
4.02
2.03
0.50
21.6
10.6
1.38
.317
2.39
56
3.38
79
8.41
7.1
11Micah Owings
M. Owings
8
0
2011
1.000
.000
33
4
3.57
44
0
0
0
63.0
56
25
27
8
23
2
2
0
263
3
6.29
3.29
1.91
1.14
16.7
8.7
1.25
.258
3.86
90
4.46
115
8.00
-4
12Rheal Cormier
R. Cormier
8
0
2003
1.000
.000
65
0
1.70
67
0
0
1
84.2
54
16
18
4
25
1
21
2
327
0
7.12
2.66
2.68
0.43
20.5
7.6
0.93
.217
1.91
41
2.98
70
5.74
12.1
13Arthur Rhodes
A. Rhodes
8
0
2001
1.000
.000
71
0
1.72
83
0
0
3
68.0
46
13
14
5
12
1
16
0
258
3
10.99
1.59
6.92
0.66
32.2
4.7
0.85
.261
1.85
40
2.13
49
6.09
16.9
14Pat Mahomes
P. Mahomes
8
0
1999
1.000
.000
39
0
3.68
51
0
0
0
63.2
44
26
26
7
37
2
12
5
265
2
7.21
5.23
1.38
0.99
19.2
14.0
1.27
.220
3.68
84
4.79
107
6.22
-2.4
15Kirk Rueter
K. Rueter
8
0
1993
1.000
.000
14
14
2.73
31
1
0
0
85.2
85
26
33
5
18
0
0
1
341
0
3.26
1.89
1.72
0.53
9.1
5.3
1.20
.279
3.47
68
3.64
92
8.93
3.1
16Grant Jackson
G. Jackson
8
0
1973
1.000
.000
45
0
1.90
47
0
0
9
80.1
54
17
18
5
24
0
33
4
305
1
5.27
2.69
1.96
0.56
15.4
7.9
0.97
.214
2.02
51
3.09
84
6.05
5.3
17Ted Wilks
T. Wilks
8
0
1946
1.000
.000
40
4
3.41
40
0
0
1
95.0
88
36
41
13
38
2
18
404
0
3.79
3.60
1.05
1.23
9.9
9.4
1.33
.241
3.88
100
4.58
132
8.34
-11.7
18Braydon Fisher
B. Fisher
7
0
2025
1.000
.000
52
1
2.70
62
0
0
0
50.0
32
15
15
4
19
3
12
1
202
0
11.16
3.42
3.26
0.72
30.7
9.4
1.02
.246
2.70
67
3.01
71
5.76
6.6
19Caleb Thielbar
C. Thielbar
7
0
2021
1.000
.000
59
0
3.23
77
0
0
0
64.0
55
23
24
8
20
3
14
1
266
3
10.83
2.81
3.85
1.13
28.9
7.5
1.17
.297
3.38
76
3.46
82
7.73
5.5
20Max Fried
M. Fried
7
0
2020
1.000
.000
11
11
2.25
50
0
0
0
56.0
42
14
14
2
19
4
0
0
224
1
8.04
3.05
2.63
0.32
22.3
8.5
1.09
.268
2.25
49
3.09
70
6.75
8.2
21Trevor Gott
T. Gott
7
0
2019
1.000
.000
50
0
4.44
57
0
0
1
52.2
41
26
26
4
17
2
6
0
214
1
9.74
2.91
3.35
0.68
26.6
7.9
1.10
.276
4.44
106
3.11
74
7.01
6.6
22Corbin Burnes
C. Burnes
7
0
2018
1.000
.000
30
0
2.61
35
0
0
1
38.0
27
11
11
4
11
3
6
2
152
2
8.29
2.61
3.18
0.95
23.0
7.2
1.00
.232
2.61
65
3.79
93
6.39
1.2
23AJ Ramos
AJ Ramos
7
0
2014
1.000
.000
68
0
2.11
73
0
0
0
64.0
36
15
16
1
43
3
12
7
270
7
10.27
6.05
1.70
0.14
27.0
15.9
1.23
.233
2.25
59
3.21
90
5.06
2.6
24Joe Nathan
J. Nathan
7
0
2006
1.000
.000
64
0
1.58
95
0
0
36
68.1
38
12
12
3
16
1
61
4
262
3
12.51
2.11
5.94
0.40
36.3
6.1
0.79
.238
1.58
35
1.68
38
5.00
21.1
25Pete Smith
P. Smith
7
0
1992
1.000
.000
12
11
2.05
43
2
1
0
79.0
63
18
19
3
28
0
0
2
323
2
4.90
3.19
1.54
0.34
13.3
8.7
1.15
.241
2.16
57
3.24
92
7.18
2.6

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AL CentralWLPCTGB
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.435
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AL WestWLPCTGB
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