most strikeouts per nine innings in a year minimum 20 strikeouts

Rafael Martin has the highest K/9 with 20+ strikeouts in a season, with 18.24 per nine innings in his rookie season in 2015.

Interpreted as:
most strikeouts per nine innings by a player in a year minimum 20 strikeouts
NAMEK/9SOSEASONTMGWLW%GSERACGSHOSVIPHERRHRBBHBPGFIBBTBFWPBB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Rafael Martin
R. Martin
18.24
25
2015
WSH WSH
13
2
0
1.000
0
5.11
0
0
0
12.1
12
7
9
4
5
1
5
0
56
0
3.65
5.00
2.92
44.6
8.9
1.38
.381
6.57
130
4.75
124
8.76
-1.3
2Devin Williams
D. Williams
17.67
53
2020
MIL MIL
22
4
1
.800
0
0.33
0
0
0
27.0
8
1
4
1
9
1
1
0
100
3
3.00
5.89
0.33
53.0
9.0
0.63
.194
1.33
7
0.85
19
2.67
10.8
3James Karinchak
J. Karinchak
17.67
53
2020
CLE CLE
27
1
2
.333
0
2.67
0
0
1
27.0
14
8
9
1
16
0
4
1
109
5
5.33
3.31
0.33
48.6
14.7
1.11
.333
3.00
60
1.52
34
4.67
8.8
4Aroldis Chapman
A. Chapman
17.67
106
2014
CIN CIN
54
0
3
.000
0
2.00
0
0
36
54.0
21
12
12
1
24
2
44
0
202
4
4.00
4.42
0.17
52.5
11.9
0.83
.290
2.00
54
0.89
23
3.50
17
5Edwin Díaz
E. Díaz
17.53
50
2020
NYM NYM
26
2
1
.667
0
1.75
0
0
6
25.2
18
5
6
2
14
2
19
0
110
1
4.91
3.57
0.70
45.5
12.7
1.25
.381
2.10
42
2.17
50
6.31
6.3
6Craig Kimbrel
C. Kimbrel
17.42
40
2010
ATL ATL
21
4
0
1.000
0
0.44
0
0
1
20.2
9
1
2
0
16
0
7
1
88
4
6.97
2.50
0.00
45.5
18.2
1.21
.281
0.87
11
1.52
39
3.92
5.6
7Sean Reynolds
S. Reynolds
17.18
21
2024
SDP SDP
9
0
0
0
0.82
0
0
0
11.0
10
1
1
0
5
1
3
0
49
0
4.09
4.20
0.00
42.9
10.2
1.36
.455
0.82
21
0.98
24
8.18
3.7
8Edwin Díaz
E. Díaz
17.13
118
2022
NYM NYM
61
3
1
.750
0
1.31
0
0
32
62.0
34
9
9
3
18
2
49
1
235
2
2.61
6.56
0.44
50.2
7.7
0.84
.330
1.31
34
0.90
23
4.94
21.2
9Aroldis Chapman
A. Chapman
16.97
22
2020
NYY NYY
13
1
1
.500
0
3.09
0
0
3
11.2
6
4
4
2
4
1
8
0
45
0
3.09
5.50
1.54
48.9
8.9
0.86
.250
3.09
70
2.92
65
4.63
2
10Darwinzon Hernandez
D. Hernandez
16.91
57
2019
BOS BOS
29
0
1
.000
1
4.45
0
0
0
30.1
27
15
18
1
26
3
2
1
147
4
7.71
2.19
0.30
38.8
17.7
1.75
.433
5.34
92
2.74
61
8.01
6
11Carter Capps
C. Capps
16.84
58
2015
MIA MIA
30
1
0
1.000
0
1.16
0
0
0
31.0
18
4
5
2
7
2
8
0
118
2
2.03
8.29
0.58
49.2
5.9
0.81
.327
1.45
31
1.09
29
5.23
9.4
12Craig Kimbrel
C. Kimbrel
16.66
116
2012
ATL ATL
63
3
1
.750
0
1.01
0
0
42
62.2
27
7
7
3
14
2
56
0
231
5
2.01
8.29
0.43
50.2
6.1
0.65
.250
1.01
26
0.77
20
3.88
21.6
13Craig Kimbrel
C. Kimbrel
16.43
28
2020
CHC CHC
18
0
1
.000
0
5.28
0
0
2
15.1
10
9
9
2
12
2
11
1
69
4
7.04
2.33
1.17
40.6
17.4
1.43
.320
5.28
119
3.96
90
5.87
0.7
14Craig Kimbrel
C. Kimbrel
16.43
126
2017
BOS BOS
67
5
0
1.000
0
1.43
0
0
35
69.0
33
11
11
6
14
4
51
0
254
5
1.83
9.00
0.78
49.6
5.5
0.68
.260
1.43
31
1.41
32
4.30
22.7
15Josh Hader
J. Hader
16.41
138
2019
MIL MIL
61
3
5
.375
0
2.62
0
0
37
75.2
41
22
24
15
20
4
46
2
289
0
2.38
6.90
1.78
47.8
6.9
0.81
.232
2.85
59
3.08
70
4.88
11.3
16Aroldis Chapman
A. Chapman
16.31
93
2018
NYY NYY
55
3
0
1.000
0
2.45
0
0
32
51.1
24
14
15
2
30
5
43
0
212
9
5.26
3.10
0.35
43.9
14.2
1.05
.268
2.63
58
2.08
48
4.21
12.5
17Félix Bautista
F. Bautista
16.23
110
2023
BAL BAL
56
8
2
.800
0
1.48
0
0
33
61.0
30
10
14
4
26
2
46
0
237
7
3.84
4.23
0.59
46.4
11.0
0.92
.274
2.07
35
1.87
45
4.43
16
18José De León
J. De León
16.20
33
2021
CIN CIN
9
0
1
.000
2
8.35
0
0
0
18.1
22
17
17
4
11
2
1
0
91
3
5.40
3.00
1.96
36.3
12.1
1.80
.439
8.35
189
4.53
102
10.80
-0.1
19Kenley Jansen
K. Jansen
16.10
96
2011
LAD LAD
51
2
1
.667
0
2.85
0
0
5
53.2
30
17
17
3
26
2
13
0
218
0
4.36
3.69
0.50
44.0
11.9
1.04
.297
2.85
79
1.73
46
5.03
12.5
20Carlos Marmol
C. Marmol
15.99
138
2010
CHC CHC
77
2
3
.400
0
2.55
0
0
38
77.2
40
22
23
1
52
8
70
4
332
2
6.03
2.65
0.12
41.6
15.7
1.18
.293
2.67
62
2.00
50
4.64
17.4
21Aroldis Chapman
A. Chapman
15.89
103
2023
TOT
61
6
4
.600
0
3.09
0
0
6
58.1
37
20
24
4
36
1
18
2
249
9
5.55
2.86
0.62
41.4
14.5
1.25
.314
3.70
71
2.51
58
5.71
11.7
22Zac Rosscup
Z. Rosscup
15.88
20
2018
LAD LAD
17
0
1
.000
0
4.76
0
0
0
11.1
9
6
6
3
4
0
5
0
47
0
3.18
5.00
2.38
42.6
8.5
1.15
.300
4.76
125
4.13
103
7.15
-0.1
23Aroldis Chapman
A. Chapman
15.83
112
2013
CIN CIN
68
4
5
.444
0
2.54
0
0
38
63.2
37
18
18
7
29
3
55
0
258
6
4.10
3.86
0.99
43.4
11.2
1.04
.280
2.54
67
2.46
64
5.23
9.8
24Josh Hader
J. Hader
15.82
143
2018
MIL MIL
55
6
1
.857
0
2.43
0
0
12
81.1
36
22
23
9
30
1
14
0
306
0
3.32
4.77
1.00
46.7
9.8
0.81
.220
2.55
60
2.22
55
3.98
16.6
25Devin Williams
D. Williams
15.78
38
2024
MIL MIL
22
1
0
1.000
0
1.25
0
0
14
21.2
10
3
3
1
11
2
19
1
88
1
4.57
3.45
0.42
43.2
12.5
0.97
.250
1.25
30
2.05
50
4.15
4.9
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96
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Mets Mets
83
79
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Marlins Marlins
79
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Nationals Nationals
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NL CentralWLPCTGB
Brewers Brewers - y
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NL WestWLPCTGB
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Yankees Yankees - w
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Red Sox Red Sox - w
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102
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90
72
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Astros Astros
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75
.537
3.0
Rangers Rangers
81
81
.500
9.0
Athletics Athletics
76
86
.469
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Angels Angels
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90
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MLB 2025 Scores & Schedule

Scores

DATEMATCHUPSCORE
Tue
9/16
CIN CIN
@
STL STL
6-2
Tue
9/16
ATL ATL
@
WSH WSH
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Tue
9/16
ATH ATH
@
BOS BOS
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Tue
9/16
TOR TOR
@
TBR TBR
1-2
Tue
9/16
SEA SEA
@
KCR KCR
5-7

Schedule

DATEMATCHUPTIME (ET)
Wed
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NYY NYY
@
SFG SFG
8:05 PM
Thu
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PIT PIT
@
NYM NYM
1:15 PM
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@
MIL MIL
2:10 PM
Thu
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WSH WSH
@
CHC CHC
2:20 PM
Thu
3/26
MIN MIN
@
BAL BAL
3:05 PM