highest strikeout percentage for a pitcher in a single season since 1947 with over 30 innings

Since 1947, Aroldis Chapman has the highest strikeout percentage with more than 30.0 innings pitched in a season, with a strikeout percentage of 52.5 in 2014.

NAMEK%IPSEASONTMGWLW%GSERASOCGSHOSVHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Aroldis Chapman
A. Chapman
52.5
54.0
2014
54
0
3
.000
0
2.00
106
0
0
36
21
12
12
1
24
2
44
0
202
4
17.67
4.00
4.42
0.17
11.9
0.83
.290
2.00
54
0.89
23
3.50
17
2Craig Kimbrel
C. Kimbrel
50.2
62.2
2012
63
3
1
.750
0
1.01
116
0
0
42
27
7
7
3
14
2
56
0
231
5
16.66
2.01
8.29
0.43
6.1
0.65
.250
1.01
26
0.77
20
3.88
21.6
3Edwin Díaz
E. Díaz
50.2
62.0
2022
61
3
1
.750
0
1.31
118
0
0
32
34
9
9
3
18
2
49
1
235
2
17.13
2.61
6.56
0.44
7.7
0.84
.330
1.31
34
0.90
23
4.94
21.2
4Craig Kimbrel
C. Kimbrel
49.6
69.0
2017
67
5
0
1.000
0
1.43
126
0
0
35
33
11
11
6
14
4
51
0
254
5
16.43
1.83
9.00
0.78
5.5
0.68
.260
1.43
31
1.41
32
4.30
22.7
5Carter Capps
C. Capps
49.2
31.0
2015
30
1
0
1.000
0
1.16
58
0
0
0
18
4
5
2
7
2
8
0
118
2
16.84
2.03
8.29
0.58
5.9
0.81
.327
1.45
31
1.09
29
5.23
9.4
6Josh Hader
J. Hader
47.8
75.2
2019
61
3
5
.375
0
2.62
138
0
0
37
41
22
24
15
20
4
46
2
289
0
16.41
2.38
6.90
1.78
6.9
0.81
.232
2.85
59
3.08
70
4.88
11.3
7Mason Miller
M. Miller
47.4
70.0
2026
66
5
2
.714
0
1.67
129
0
0
38
37
13
16
3
26
2
57
1
272
6
16.59
3.34
4.96
0.39
9.6
0.90
.304
2.06
41
1.16
28
4.76
23.7
8Josh Hader
J. Hader
46.7
81.1
2018
55
6
1
.857
0
2.43
143
0
0
12
36
22
23
9
30
1
14
0
306
0
15.82
3.32
4.77
1.00
9.8
0.81
.220
2.55
60
2.22
55
3.98
16.6
9Félix Bautista
F. Bautista
46.4
61.0
2023
56
8
2
.800
0
1.48
110
0
0
33
30
10
14
4
26
2
46
0
237
7
16.23
3.84
4.23
0.59
11.0
0.92
.274
2.07
35
1.87
45
4.43
16
10Josh Hader
J. Hader
45.5
58.2
2021
60
4
2
.667
0
1.23
102
0
0
34
25
8
8
3
24
2
42
0
224
3
15.65
3.68
4.25
0.46
10.7
0.84
.237
1.23
29
1.68
39
3.84
16.8
11Jacob deGrom
J. deGrom
45.1
92.0
2021
15
7
2
.778
15
1.08
146
1
1
0
40
11
14
6
11
1
0
0
324
0
14.28
1.08
13.27
0.59
3.4
0.55
.213
1.37
27
1.23
29
3.91
30.6
12Eric Gagne
E. Gagne
44.8
82.1
2003
77
2
3
.400
0
1.20
137
0
0
55
37
11
12
2
20
3
67
2
306
2
14.98
2.19
6.85
0.22
6.5
0.69
.243
1.31
30
0.85
20
4.04
31.8
13Andrew Miller
A. Miller
44.7
74.1
2016
TOT
70
10
1
.909
0
1.45
123
0
0
12
42
12
13
8
9
2
23
0
275
1
14.89
1.09
13.67
0.97
3.3
0.69
.256
1.57
34
1.67
38
5.09
21.7
14Mason Miller
M. Miller
44.4
61.2
2025
TOT
60
1
2
.333
0
2.63
104
0
0
22
28
18
19
5
28
1
37
2
234
3
15.18
4.09
3.71
0.73
12.0
0.91
.240
2.77
60
2.22
51
4.09
14.1
15Edwin Díaz
E. Díaz
44.3
73.1
2018
73
0
4
.000
0
1.96
124
0
0
57
41
16
17
5
17
6
65
0
280
3
15.22
2.09
7.29
0.61
6.1
0.79
.281
2.09
48
1.60
38
5.03
21.3
16Aroldis Chapman
A. Chapman
44.2
71.2
2012
68
5
5
.500
0
1.51
122
0
0
38
35
12
13
4
23
4
52
0
276
4
15.32
2.89
5.30
0.50
8.3
0.81
.252
1.63
38
1.54
38
4.40
19.3
17Kenley Jansen
K. Jansen
44.0
53.2
2011
51
2
1
.667
0
2.85
96
0
0
5
30
17
17
3
26
2
13
0
218
0
16.10
4.36
3.69
0.50
11.9
1.04
.297
2.85
79
1.73
46
5.03
12.5
18Aroldis Chapman
A. Chapman
43.9
51.1
2018
55
3
0
1.000
0
2.45
93
0
0
32
24
14
15
2
30
5
43
0
212
9
16.31
5.26
3.10
0.35
14.2
1.05
.268
2.63
58
2.08
48
4.21
12.5
19Aroldis Chapman
A. Chapman
43.4
63.2
2013
68
4
5
.444
0
2.54
112
0
0
38
37
18
18
7
29
3
55
0
258
6
15.83
4.10
3.86
0.99
11.2
1.04
.280
2.54
67
2.46
64
5.23
9.8
20Billy Wagner
B. Wagner
43.4
74.2
1999
66
4
1
.800
0
1.57
124
0
0
39
35
13
14
5
23
1
55
1
286
2
14.95
2.77
5.39
0.60
8.0
0.78
.226
1.69
37
1.64
38
4.22
23.6
21Jacob deGrom
J. deGrom
42.7
64.1
2022
11
5
4
.556
11
3.08
102
0
0
0
40
22
22
9
8
0
0
0
239
0
14.27
1.12
12.75
1.26
3.3
0.75
.258
3.08
80
2.13
54
5.60
13.1
22Andrew Miller
A. Miller
42.6
62.1
2014
TOT
73
5
5
.500
0
2.02
103
0
0
1
33
14
16
3
17
5
15
2
242
3
14.87
2.45
6.06
0.43
7.0
0.80
.263
2.31
51
1.51
40
4.76
15.8
23Craig Kimbrel
C. Kimbrel
42.6
59.2
2021
TOT
63
4
5
.444
0
2.26
100
0
0
24
31
15
19
6
23
3
43
1
235
8
15.08
3.47
4.35
0.91
9.8
0.91
.243
2.87
52
2.42
55
4.68
12.6
24Brad Lidge
B. Lidge
42.5
94.2
2004
80
6
5
.545
0
1.90
157
0
0
29
57
20
21
8
30
6
44
5
369
3
14.93
2.85
5.23
0.76
8.1
0.92
.292
2.00
44
1.96
44
5.42
25.9
25Liam Hendriks
L. Hendriks
42.3
71.0
2021
69
8
3
.727
0
2.54
113
0
0
38
45
20
23
11
7
1
58
1
267
6
14.32
0.89
16.14
1.39
2.6
0.73
.252
2.92
58
2.33
52
5.70
16.2

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2026 Division Standings
TEAMWLPCTGB
103
59
.636
89
73
.549
14.0
82
80
.506
21.0
77
85
.475
26.0
Reds Reds
75
87
.463
28.0
Schedule
DATEMATCHUPTIME (ET)
Thu
3/25
@
4:00 AM
Sat
3/27
@
4:00 AM
Sun
3/28
@
4:00 AM
Mon
3/29
@
4:00 AM
Tue
3/30
@
4:00 AM
Last Game
CIN Reds

75 - 87

1

Final

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TOR Blue Jays

79 - 83

Sun 27 Sep 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
94
68
.580
88
74
.543
6.0
80
82
.494
14.0
77
85
.475
17.0
74
88
.457
20.0
NL CentralWLPCTGB
103
59
.636
Cubs Cubs - w
89
73
.549
14.0
82
80
.506
21.0
77
85
.475
26.0
75
87
.463
28.0
NL WestWLPCTGB
100
62
.617
91
71
.562
9.0
86
76
.531
14.0
65
97
.401
35.0
58
104
.358
42.0
AL EastWLPCTGB
Rays Rays - y
98
64
.605
93
68
.578
4.5
87
75
.537
11.0
79
82
.491
18.5
79
83
.488
19.0
AL CentralWLPCTGB
85
77
.525
84
78
.519
1.0
77
85
.475
8.0
76
86
.469
9.0
69
93
.426
16.0
AL WestWLPCTGB
81
81
.500
80
82
.494
1.0
76
86
.469
5.0
64
98
.395
17.0
62
100
.383
19.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Tue
9/15
@
5-1
Wed
9/16
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3-6
Wed
9/16
@
6-5
Wed
9/16
@
4-5
Wed
9/16
@
1-5

Schedule

DATEMATCHUPTIME (ET)
Thu
3/25
@
4:00 AM
Thu
3/25
@
4:00 AM
Thu
3/25
@
4:00 AM
Thu
3/25
@
4:00 AM
Thu
3/25
@
4:00 AM