highest single season k/9 ever

Dylan Cease has the highest K/9 in a season, with 20.25 per nine innings this season.

Interpreted as:
highest single season k/9 with a minimum of 1 IP per team game by a player ever
NAMEK/9SEASONTMGWLW%GSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPBB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Dylan Cease
D. Cease
20.25
2026
1
0
0
1
1.69
12
0
0
0
5.1
3
1
1
0
2
0
0
0
22
0
3.38
6.00
0.00
54.5
9.1
0.94
.375
1.69
41
-0.18
-4
5.06
2.6
2Jacob Misiorowski
J. Misiorowski
19.80
2026
1
1
0
1.000
1
1.80
11
0
0
0
5.0
2
1
1
1
3
0
0
0
20
0
5.40
3.67
1.80
55.0
15.0
1.00
.200
1.80
46
3.20
81
3.60
0.4
3Taj Bradley
T. Bradley
18.69
2026
1
0
0
1
2.08
9
0
0
0
4.1
3
1
1
0
3
0
0
0
19
0
6.23
3.00
0.00
47.4
15.8
1.38
.429
2.08
50
1.12
27
6.23
1.4
4Michael Soroka
M. Soroka
18.00
2026
1
1
0
1.000
1
0.00
10
0
0
0
5.0
4
0
0
0
1
0
0
0
20
0
1.80
10.00
0.00
50.0
5.0
1.00
.444
0.00
0
-0.20
-5
7.20
2.3
5Aaron Ashby
A. Ashby
17.36
2026
3
1
0
1.000
0
1.93
9
0
0
0
4.2
2
1
1
1
2
0
0
0
17
0
3.86
4.50
1.93
52.9
11.8
0.86
.200
1.93
49
3.41
86
3.86
0.3
6Carmen Mlodzinski
C. Mlodzinski
16.62
2026
1
0
0
1
4.15
8
0
0
0
4.1
6
2
2
0
0
0
0
0
20
0
0.00
0.00
40.0
0.0
1.38
.500
4.15
103
-0.50
-13
12.46
2.1
7Kevin Gausman
K. Gausman
16.50
2026
1
0
0
1
1.50
11
0
0
0
6.0
1
1
1
1
0
0
0
0
19
0
0.00
1.50
57.9
0.0
0.17
.000
1.50
37
1.70
41
1.50
1.6
8Eric Lauer
E. Lauer
15.19
2026
1
1
0
1.000
1
3.38
9
0
0
0
5.1
3
2
2
1
1
0
0
0
20
0
1.69
9.00
1.69
45.0
5.0
0.75
.222
3.38
83
2.82
68
5.06
0.8
9Cristopher Sánchez
C. Sánchez
15.00
2026
1
1
0
1.000
1
0.00
10
0
0
0
6.0
3
0
0
0
0
0
0
0
21
0
0.00
0.00
47.6
0.0
0.50
.273
0.00
0
-0.14
-3
4.50
2.7
10Ryan Weathers
R. Weathers
14.54
2026
1
0
0
1
2.08
7
0
0
0
4.1
4
1
1
0
2
0
0
0
19
0
4.15
3.50
0.00
36.8
10.5
1.38
.400
2.08
51
1.35
32
8.31
1.4
11Kyle Harrison
K. Harrison
14.40
2026
1
0
0
1
1.80
8
0
0
0
5.0
4
1
1
1
1
0
0
0
20
0
1.80
8.00
1.80
40.0
5.0
1.00
.300
1.80
46
3.20
81
7.20
0.4
12Nolan McLean
N. McLean
14.40
2026
1
0
0
1
3.60
8
0
0
0
5.0
4
2
2
1
2
1
0
0
22
0
3.60
4.00
1.80
36.4
9.1
1.20
.300
3.60
95
4.40
112
7.20
-0.3
13Shane 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
14Gerrit 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
15Jacob 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
16Spencer 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
17Nathan Eovaldi
N. Eovaldi
13.50
2026
1
0
1
.000
1
9.64
7
0
0
0
4.2
8
5
5
2
0
0
0
0
22
0
0.00
3.86
31.8
0.0
1.71
.462
9.64
236
5.77
138
15.43
-0.8
18Chris Paddack
C. Paddack
13.50
2026
1
0
1
.000
1
18.00
6
0
0
0
4.0
8
8
8
2
0
1
0
0
21
0
0.00
4.50
28.6
0.0
2.00
.500
18.00
452
7.45
189
18.00
-1.6
19Emerson Hancock
E. Hancock
13.50
2026
1
1
0
1.000
1
0.00
9
0
0
0
6.0
0
0
0
0
1
1
0
0
19
0
1.50
9.00
0.00
47.4
5.3
0.17
.000
0.00
0
1.20
30
0.00
1.9
20Bryan Woo
B. Woo
13.50
2026
1
0
0
1
3.00
9
0
0
0
6.0
4
2
2
0
1
0
0
0
23
0
1.50
9.00
0.00
39.1
4.3
0.83
.308
3.00
77
0.70
18
6.00
2.3
21Cam Schlittler
C. Schlittler
13.50
2026
1
1
0
1.000
1
0.00
8
0
0
0
5.1
1
0
0
0
0
0
0
0
17
0
0.00
0.00
47.1
0.0
0.19
.111
0.00
0
0.20
5
1.69
2.3
22Randy 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
23Pedro 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
24Chris 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
25Max 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

More Blue Jays Stats

Team Batting Leaders

HR

2

Okamoto

Kazuma Okamoto

RBI

5

Giménez

Andrés Giménez

AVG

.500

Giménez

Andrés Giménez
Team Pitching Leaders

W

1

Miles

Spencer Miles

K

12

Cease

Dylan Cease

ERA

1.50

Gausman

Kevin Gausman
Team Rankings

HR

8

2nd

R

21

10th

SO

60

1st

ERA

5.45

25th

2026 Division Standings
TEAMWLPCTGB
3
1
.750
Blue Jays Blue Jays
3
1
.750
2
2
.500
1.0
2
2
.500
1.0
1
3
.250
2.0
Schedule
DATEMATCHUPTIME (ET)
Tue
3/31
@
7:07 PM
Wed
4/1
@
1:07 PM
Thu
4/2
@
4:10 PM
Sat
4/4
@
2:10 PM
Sun
4/5
@
2:10 PM
Last Game
COL Rockies

1 - 3

14

Final

5

TOR Blue Jays

3 - 1

Mon 30 Mar 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
3
1
.750
3
1
.750
3
1
.750
3
1
.750
1
3
.250
2.0
NL CentralWLPCTGB
3
1
.750
3
1
.750
2
2
.500
1.0
2
2
.500
1.0
1
3
.250
2.0
NL WestWLPCTGB
3
1
.750
1
3
.250
2.0
1
3
.250
2.0
1
3
.250
2.0
1
3
.250
2.0
AL EastWLPCTGB
3
1
.750
3
1
.750
2
2
.500
1.0
2
2
.500
1.0
1
3
.250
2.0
AL CentralWLPCTGB
3
2
.600
2
2
.500
0.5
2
2
.500
0.5
1
3
.250
1.5
1
3
.250
1.5
AL WestWLPCTGB
3
1
.750
3
2
.600
0.5
3
2
.600
0.5
2
3
.400
1.5
0
4
.000
3.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Tue
3/24
@
7-0
Wed
3/25
@
7-11
Wed
3/25
@
2-14
Wed
3/25
@
10-4
Wed
3/25
@
1-2

Schedule

DATEMATCHUPTIME (ET)
Tue
3/31
@
6:35 PM
Tue
3/31
@
6:40 PM
Tue
3/31
@
6:40 PM
Tue
3/31
@
6:40 PM
Tue
3/31
@
7:07 PM