mlb k/9 leaders all-time in a season

Jacob Misiorowski has the highest K/9 in a season, with 14.32 per nine innings this season.

Interpreted as:
MLB k/9 with a minimum of 1 IP per team game leaders all-time in a season
NAMEK/9SEASONTMGWLW%GSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPBB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Jacob Misiorowski
J. Misiorowski
14.32
2026
8
3
2
.600
8
2.45
70
0
0
0
44.0
25
12
14
4
17
5
0
0
177
2
3.48
4.12
0.82
39.5
9.6
0.95
.259
2.86
61
2.61
64
5.11
7.1
2Shane Bieber
S. Bieber
14.20
2020
12
8
1
.889
12
1.63
122
0
0
0
77.1
46
14
15
7
21
1
0
0
297
5
2.44
5.81
0.81
41.1
7.1
0.87
.267
1.75
37
2.06
46
5.35
20.5
3Gerrit Cole
G. Cole
13.82
2019
33
20
5
.800
33
2.50
326
0
0
0
212.1
142
59
66
29
48
3
0
0
817
4
2.03
6.79
1.23
39.9
5.9
0.89
.275
2.80
55
2.63
58
6.02
45
4Jacob deGrom
J. deGrom
13.76
2020
12
4
2
.667
12
2.38
104
0
0
0
68.0
47
18
21
7
18
0
0
0
268
4
2.38
5.78
0.93
38.8
6.7
0.96
.288
2.78
57
2.26
52
6.22
15.9
5Spencer Strider
S. Strider
13.55
2023
32
19
5
.792
32
3.86
281
0
0
0
186.2
146
80
85
22
58
9
0
1
763
6
2.80
4.84
1.06
36.8
7.6
1.09
.316
4.10
87
2.85
66
7.04
30.3
6Randy Johnson
R. Johnson
13.41
2001
35
21
6
.778
34
2.49
372
3
2
0
249.2
181
69
74
19
71
18
1
2
994
8
2.56
5.24
0.68
37.4
7.1
1.01
.315
2.67
55
2.12
48
6.52
63.9
7Pedro Martinez
P. Martinez
13.20
1999
31
23
4
.852
29
2.07
313
5
1
0
213.1
160
49
56
9
37
9
1
1
835
6
1.56
8.46
0.38
37.5
4.4
0.92
.323
2.36
42
1.38
30
6.75
79.4
8Dylan Cease
D. Cease
13.10
2026
8
3
1
.750
8
2.58
66
0
0
0
45.1
38
13
16
1
18
2
0
0
191
1
3.57
3.67
0.20
34.6
9.4
1.24
.356
3.18
63
1.81
43
7.54
11.9
9Chris Sale
C. Sale
12.93
2017
32
17
8
.680
32
2.90
308
1
0
0
214.1
165
69
73
24
43
8
0
0
851
3
1.81
7.16
1.01
36.2
5.1
0.97
.301
3.07
63
2.45
56
6.93
45.5
10Max Scherzer
M. Scherzer
12.69
2019
27
11
7
.611
27
2.92
243
0
0
0
172.1
144
56
59
18
33
7
0
2
693
0
1.72
7.36
0.94
35.1
4.8
1.03
.321
3.08
66
2.44
55
7.52
38.6
11Corbin Burnes
C. Burnes
12.61
2021
28
11
5
.688
28
2.43
234
0
0
0
167.0
123
45
47
7
34
6
0
0
657
5
1.83
6.88
0.38
35.6
5.2
0.94
.309
2.53
58
1.62
38
6.63
48.9
12Kerry Wood
K. Wood
12.58
1998
26
13
6
.684
26
3.40
233
1
1
0
166.2
117
63
69
14
85
11
0
1
699
6
4.59
2.74
0.76
33.3
12.2
1.21
.289
3.73
80
3.16
73
6.32
21.9
13Randy Johnson
R. Johnson
12.56
2000
35
19
7
.731
35
2.64
347
8
3
0
248.2
202
73
89
23
76
6
0
1
1,001
5
2.75
4.57
0.83
34.7
7.6
1.12
.326
3.22
56
2.53
53
7.31
61.1
14Henry Porter
H. Porter
12.53
1884
6
3
3
.500
6
3.00
71
6
1
0
51.0
32
17
25
1
9
0
200
6
1.59
7.89
0.18
35.5
4.5
0.80
4.41
23
1.27
11
5.65
24.1
15Jose Fernandez
J. Fernandez
12.49
2016
29
16
8
.667
29
2.86
253
0
0
0
182.1
149
58
63
13
55
6
0
6
737
9
2.71
4.60
0.64
34.3
7.5
1.12
.332
3.11
72
2.29
57
7.35
35.4
16Gerrit Cole
G. Cole
12.40
2018
32
15
5
.750
32
2.88
276
1
1
0
200.1
143
64
68
19
64
7
0
0
799
9
2.88
4.31
0.85
34.5
8.0
1.03
.286
3.05
70
2.70
65
6.42
32.7
17Randy Johnson
R. Johnson
12.35
1995
30
18
2
.900
30
2.48
294
6
3
0
214.1
159
59
65
12
65
6
0
1
866
5
2.73
4.52
0.50
33.9
7.5
1.05
.301
2.73
53
2.08
44
6.68
62
18Trevor Bauer
T. Bauer
12.33
2020
11
5
4
.556
11
1.73
100
2
2
0
73.0
41
14
17
9
17
3
0
1
278
3
2.10
5.88
1.11
36.0
6.1
0.79
.215
2.10
36
2.87
61
5.05
14.1
19Max Scherzer
M. Scherzer
12.30
2020
12
5
4
.556
12
3.74
92
1
0
0
67.1
70
28
30
10
23
1
0
1
295
6
3.07
4.00
1.34
31.2
7.8
1.38
.355
4.01
83
3.45
76
9.36
8
20Randy Johnson
R. Johnson
12.30
1997
30
20
4
.833
29
2.28
291
5
2
0
213.0
147
54
60
20
77
10
0
2
850
4
3.25
3.78
0.85
34.2
9.1
1.05
.281
2.54
50
2.82
62
6.21
41.3
21Dylan Cease
D. Cease
12.28
2021
32
13
7
.650
32
3.91
226
1
1
0
165.2
139
72
77
20
68
9
0
0
708
13
3.69
3.32
1.09
31.9
9.6
1.25
.309
4.18
90
3.40
76
7.55
18.9
22Max Scherzer
M. Scherzer
12.24
2018
33
18
7
.720
33
2.53
300
2
1
0
220.2
150
62
66
23
51
12
0
4
866
4
2.08
5.88
0.94
34.6
5.9
0.91
.265
2.69
62
2.65
64
6.12
36.1
23Justin Verlander
J. Verlander
12.20
2018
34
16
9
.640
34
2.52
290
1
1
0
214.0
156
60
63
28
37
8
0
0
833
5
1.56
7.84
1.18
34.8
4.4
0.90
.272
2.65
62
2.78
67
6.56
33
24Robbie Ray
R. Ray
12.13
2019
33
12
8
.600
33
4.34
235
0
0
0
174.1
150
84
91
30
84
5
0
5
747
7
4.34
2.80
1.55
31.5
11.2
1.34
.305
4.70
98
4.28
99
7.74
1
25Dinelson Lamet
D. Lamet
12.13
2020
12
3
1
.750
12
2.09
93
0
0
0
69.0
39
16
18
5
20
4
0
0
267
1
2.61
4.65
0.65
34.8
7.5
0.86
.234
2.35
49
2.47
56
5.09
15.1

Latest Brewers News

More Brewers Stats

Team Batting Leaders

HR

6

Turang

Brice Turang

RBI

26

Contreras

William Contreras

AVG

.304

Turang

Brice Turang
Team Pitching Leaders

W

7

Ashby

Aaron Ashby

K

70

Misiorowski

Jacob Misiorowski

ERA

2.08

Ashby

Aaron Ashby
Team Rankings

HR

27

30th

R

201

7th

SO

379

4th

ERA

3.45

3rd

2026 Division Standings
TEAMWLPCTGB
27
15
.643
Brewers Brewers
23
16
.590
2.5
24
17
.585
2.5
23
19
.548
4.0
22
20
.524
5.0
Schedule
DATEMATCHUPTIME (ET)
Wed
5/13
@
7:40 PM
Thu
5/14
@
1:40 PM
Fri
5/15
@
7:10 PM
Sat
5/16
@
7:10 PM
Sun
5/17
@
2:10 PM
Last Game
SDP Padres

24 - 17

4

Final

6

MIL Brewers

23 - 16

Tue 12 May 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
29
13
.690
20
22
.476
9.0
20
22
.476
9.0
19
23
.452
10.0
16
25
.390
12.5
NL CentralWLPCTGB
27
15
.643
23
16
.590
2.5
24
17
.585
2.5
23
19
.548
4.0
22
20
.524
5.0
NL WestWLPCTGB
24
17
.585
24
18
.571
0.5
20
21
.488
4.0
18
24
.429
6.5
16
26
.381
8.5
AL EastWLPCTGB
28
13
.683
27
16
.628
2.0
19
24
.442
10.0
18
24
.429
10.5
17
24
.415
11.0
AL CentralWLPCTGB
23
21
.523
20
21
.488
1.5
19
23
.452
3.0
19
23
.452
3.0
19
23
.452
3.0
AL WestWLPCTGB
21
20
.512
21
22
.488
1.0
20
22
.476
1.5
16
27
.372
6.0
16
27
.372
6.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Mon
4/27
@
4-11
Tue
4/28
@
1-0
Tue
4/28
@
3-5
Tue
4/28
@
11-7
Tue
4/28
@
2-7

Schedule

DATEMATCHUPTIME (ET)
Wed
5/13
@
1:05 PM
Wed
5/13
@
1:10 PM
Wed
5/13
@
6:40 PM
Wed
5/13
@
6:40 PM
Wed
5/13
@
6:45 PM