mlb pitcher best k per 9 innings per year in 1990s

Between the 1990 and 1999 seasons, Pedro Martinez had the best K/9 in a season, with 13.20 per nine innings in 1999.

Interpreted as:
MLB pitcher best k per 9 innings with a minimum of 1 IP per team game per year in 1990s
NAMEK/9SEASONTMGWLW%GSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPBB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Pedro Martinez
P. Martinez
13.20
1999
BOS BOS
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
2Kerry Wood
K. Wood
12.58
1998
CHC CHC
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
3Randy Johnson
R. Johnson
12.35
1995
SEA SEA
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
4Randy Johnson
R. Johnson
12.30
1997
SEA SEA
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
5Randy Johnson
R. Johnson
12.12
1998
TOT
34
19
11
.633
34
3.28
329
10
6
0
244.1
203
89
102
23
86
14
0
1
1,014
7
3.17
3.83
0.85
32.4
8.5
1.18
.320
3.76
72
2.89
65
7.48
42.2
6Randy Johnson
R. Johnson
12.06
1999
ARI ARI
35
17
9
.654
35
2.48
364
12
2
0
271.2
207
75
86
30
70
9
0
3
1,079
4
2.32
5.20
0.99
33.7
6.5
1.02
.292
2.85
53
2.75
59
6.86
57.2
7Pedro Martinez
P. Martinez
11.37
1997
MON MON
31
17
8
.680
31
1.90
305
13
4
0
241.1
158
51
65
16
67
9
0
5
947
3
2.50
4.55
0.60
32.2
7.1
0.93
.258
2.42
45
2.38
57
5.89
49
8Curt Schilling
C. Schilling
11.29
1997
PHI PHI
35
17
11
.607
35
2.97
319
7
2
0
254.1
208
84
96
25
58
5
0
3
1,009
5
2.05
5.50
0.88
31.6
5.7
1.05
.304
3.40
69
2.61
62
7.36
45.8
9Hideo Nomo
H. Nomo
11.10
1995
LAD LAD
28
13
6
.684
28
2.54
236
4
3
0
191.1
124
54
63
14
78
5
0
2
780
19
3.67
3.03
0.66
30.3
10.0
1.06
.246
2.96
65
2.88
71
5.83
26.1
10Randy Johnson
R. Johnson
10.86
1993
SEA SEA
35
19
8
.704
34
3.24
308
10
3
1
255.1
185
92
97
22
99
16
1
1
1,043
8
3.49
3.11
0.78
29.5
9.5
1.11
.273
3.42
74
3.04
70
6.52
36.2
11Randy Johnson
R. Johnson
10.67
1994
SEA SEA
23
13
6
.684
23
3.19
204
9
4
0
172.0
132
61
65
14
72
6
0
2
694
5
3.77
2.83
0.73
29.4
10.4
1.19
.296
3.40
67
3.17
67
6.91
29.9
12Nolan Ryan
N. Ryan
10.56
1991
TEX TEX
27
12
6
.667
27
2.91
203
2
2
0
173.0
102
56
58
12
72
5
0
0
683
8
3.75
2.82
0.62
29.7
10.5
1.01
.230
3.02
72
2.74
68
5.31
24.4
13Roger Clemens
R. Clemens
10.39
1998
TOR TOR
33
20
6
.769
33
2.65
271
5
3
0
234.2
169
69
78
11
88
7
0
0
961
6
3.38
3.08
0.42
28.2
9.2
1.10
.271
2.99
57
2.65
59
6.48
49.2
14Randy Johnson
R. Johnson
10.31
1992
SEA SEA
31
12
14
.462
31
3.77
241
6
2
0
210.1
154
88
104
13
144
18
0
1
922
13
6.16
1.67
0.56
26.1
15.6
1.42
.279
4.45
96
3.60
91
6.59
7.9
15David Cone
D. Cone
10.25
1997
NYY NYY
29
12
6
.667
29
2.82
222
1
0
0
195.0
155
61
67
17
86
4
0
2
805
14
3.97
2.58
0.78
27.6
10.7
1.24
.290
3.09
64
3.34
75
7.15
24.9
16Nolan Ryan
N. Ryan
10.24
1990
TEX TEX
30
13
9
.591
30
3.44
232
5
2
0
204.0
137
78
86
18
74
7
0
2
818
9
3.26
3.14
0.79
28.4
9.0
1.03
.244
3.79
88
2.86
73
6.04
23.7
17Randy Johnson
R. Johnson
10.19
1991
SEA SEA
33
13
10
.565
33
3.98
228
2
1
0
201.1
151
89
96
15
152
12
0
0
889
12
6.79
1.50
0.67
25.6
17.1
1.50
.282
4.29
96
4.00
99
6.75
1
18Hideo Nomo
H. Nomo
10.11
1997
LAD LAD
33
14
12
.538
33
4.25
233
1
0
0
207.1
193
98
104
23
92
9
0
2
904
10
3.99
2.53
1.00
25.8
10.2
1.37
.311
4.51
109
3.76
91
8.38
9
19Curt Schilling
C. Schilling
10.05
1998
PHI PHI
35
15
14
.517
35
3.25
300
15
2
0
268.2
236
97
101
23
61
6
0
3
1,089
12
2.04
4.92
0.77
27.5
5.6
1.11
.305
3.38
76
2.76
65
7.91
45.1
20Roger Clemens
R. Clemens
9.95
1997
TOR TOR
34
21
7
.750
34
2.05
292
9
3
0
264.0
204
60
65
9
68
12
0
1
1,044
4
2.32
4.29
0.31
28.0
6.5
1.03
.294
2.22
45
2.24
50
6.95
66.3
21David Cone
D. Cone
9.91
1990
NYM NYM
31
14
10
.583
30
3.23
233
6
2
0
211.2
177
76
84
21
65
1
1
1
860
10
2.76
3.58
0.89
27.1
7.6
1.14
.289
3.57
89
2.82
76
7.53
21.1
22Andy Benes
A. Benes
9.87
1994
SDP SDP
25
6
14
.300
25
3.86
189
2
2
0
172.1
155
74
82
20
51
1
0
2
717
4
2.66
3.71
1.04
26.4
7.1
1.20
.296
4.28
93
3.34
77
8.09
19.3
23John Smoltz
J. Smoltz
9.79
1996
ATL ATL
35
24
8
.750
35
2.94
276
6
2
0
253.2
199
83
93
19
55
2
0
3
995
10
1.95
5.02
0.67
27.7
5.5
1.00
.280
3.30
69
2.63
60
7.06
48.4
24Pedro Martinez
P. Martinez
9.67
1998
BOS BOS
33
19
7
.731
33
2.89
251
3
2
0
233.2
188
75
82
26
67
8
0
3
951
9
2.58
3.75
1.00
26.4
7.0
1.09
.270
3.16
61
3.39
76
7.24
28.4
25Roger Clemens
R. Clemens
9.53
1996
BOS BOS
34
10
13
.435
34
3.63
257
6
2
0
242.2
216
98
106
19
106
4
0
2
1,032
8
3.93
2.42
0.70
24.9
10.3
1.33
.305
3.93
71
3.42
70
8.01
39.1
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