what is the highest k/9 by a pitcher in a season in the alcs with at least 5 ip

Justin Verlander has the highest K/9 with 5.0+ innings pitched in an ALCS, with 16.50 per nine innings.

NAME K/9 IP SEASON SERIES TM G W L W% GS ERA SO CG SHO SV H ER R HR BB HBP GF IBB TBF WP BB/9 K/BB HR/9 K% BB% WHIP BABIP RA H/9
1 Justin Verlander
J. Verlander
16.50
6.0
2022
ALCS
HOU HOU
1
1
0
1.000
1
1.50
11
0
0
0
3
1
1
1
1
1
0
0
24
0
1.50
11.00
1.50
45.8
4.2
0.67
.200
1.50
4.50
2 Andrew Miller
A. Miller
16.43
7.2
2016
ALCS
CLE CLE
4
0
0
0
0.00
14
0
0
1
3
0
0
0
0
0
1
0
25
0
0.00
0.00
56.0
0.0
0.39
.273
0.00
3.52
3 Kelvin Herrera
K. Herrera
15.88
5.2
2015
ALCS
KCR KCR
5
0
0
0
0.00
10
0
0
0
3
0
0
0
0
0
0
0
20
0
0.00
0.00
50.0
0.0
0.53
.300
0.00
4.76
4 Max Scherzer
M. Scherzer
15.88
5.2
2012
ALCS
DET DET
1
1
0
1.000
1
1.59
10
0
0
0
2
1
1
0
2
0
0
0
22
0
3.18
5.00
0.00
45.5
9.1
0.71
.200
1.59
3.18
5 Pedro Martinez
P. Martinez
15.43
7.0
1999
ALCS
BOS BOS
1
1
0
1.000
1
0.00
12
0
0
0
2
0
0
0
2
0
0
0
25
0
2.57
6.00
0.00
48.0
8.0
0.57
.182
0.00
2.57
6 Lance McCullers Jr.
L. McCullers Jr.
15.19
10.2
2020
ALCS
HOU HOU
2
0
2
.000
2
3.38
18
0
0
0
8
4
7
4
1
2
0
0
45
0
0.84
18.00
3.38
40.0
2.2
0.84
.200
5.91
6.75
7 Roger Clemens
R. Clemens
15.00
9.0
2000
ALCS
NYY NYY
1
1
0
1.000
1
0.00
15
1
1
0
1
0
0
0
2
0
0
0
30
0
2.00
7.50
0.00
50.0
6.7
0.33
.077
0.00
1.00
8 Mike Mussina
M. Mussina
15.00
15.0
1997
ALCS
BAL BAL
2
0
0
2
0.60
25
0
0
0
4
1
1
0
4
0
0
0
53
0
2.40
6.25
0.00
47.2
7.5
0.53
.167
0.60
2.40
9 Cliff Lee
C. Lee
14.62
8.0
2010
ALCS
TEX TEX
1
1
0
1.000
1
0.00
13
0
0
0
2
0
0
0
1
0
0
0
27
0
1.13
13.00
0.00
48.1
3.7
0.38
.154
0.00
2.25
10 Max Scherzer
M. Scherzer
14.18
13.1
2013
ALCS
DET DET
2
0
1
.000
2
2.70
21
0
0
0
6
4
4
0
7
2
0
0
52
1
4.72
3.00
0.00
40.4
13.5
0.98
.273
2.70
4.05
11 Framber Valdez
F. Valdez
14.09
7.2
2023
ALCS
HOU HOU
2
0
2
.000
2
8.22
12
0
0
0
12
7
8
3
3
1
0
0
39
0
3.52
4.00
3.52
30.8
7.7
1.96
.450
9.39
14.09
12 Mike Boddicker
M. Boddicker
14.00
9.0
1983
ALCS
BAL BAL
1
1
0
1.000
1
0.00
14
1
1
0
5
0
0
0
3
2
0
0
36
0
3.00
4.67
0.00
38.9
8.3
0.89
.294
0.00
5.00
13 Joe Coleman
J. Coleman
14.00
9.0
1972
ALCS
DET DET
1
1
0
1.000
1
0.00
14
1
1
0
7
0
0
0
3
0
0
0
37
0
3.00
4.67
0.00
37.8
8.1
1.11
.350
0.00
7.00
14 Dallas Keuchel
D. Keuchel
13.89
11.2
2017
ALCS
HOU HOU
2
1
1
.500
2
3.09
18
0
0
0
11
4
4
0
2
0
0
0
48
0
1.54
9.00
0.00
37.5
4.2
1.11
.393
3.09
8.49
15 Koji Uehara
K. Uehara
13.50
6.0
2013
ALCS
BOS BOS
5
1
0
1.000
0
0.00
9
0
0
3
4
0
0
0
0
0
5
0
21
0
0.00
0.00
42.9
0.0
0.67
.333
0.00
6.00
16 Calvin Schiraldi
C. Schiraldi
13.50
6.0
1986
ALCS
BOS BOS
4
0
1
.000
0
1.50
9
0
0
1
5
1
2
0
3
1
4
2
28
0
4.50
3.00
0.00
32.1
10.7
1.33
.333
3.00
7.50
17 James Paxton
J. Paxton
12.96
8.1
2019
ALCS
NYY NYY
2
1
0
1.000
2
2.16
12
0
0
0
8
2
2
0
6
0
0
0
38
1
6.48
2.00
0.00
31.6
15.8
1.68
.400
2.16
8.64
18 Hiroki Kuroda
H. Kuroda
12.91
7.2
2012
ALCS
NYY NYY
1
0
1
.000
1
3.52
11
0
0
0
5
3
3
0
0
0
0
0
28
0
0.00
0.00
39.3
0.0
0.65
.294
3.52
5.87
19 Framber Valdez
F. Valdez
12.75
12.0
2020
ALCS
HOU HOU
2
1
1
.500
2
2.25
17
0
0
0
7
3
3
1
7
0
0
0
48
0
5.25
2.43
0.75
35.4
14.6
1.17
.261
2.25
5.25
20 Anibal Sanchez
A. Sanchez
12.75
12.0
2013
ALCS
DET DET
2
1
1
.500
2
2.25
17
0
0
0
9
3
4
1
6
0
0
0
52
3
4.50
2.83
0.75
32.7
11.5
1.25
.286
3.00
6.75
21 Carlos Rodón
C. Rodón
12.66
10.2
2024
ALCS
NYY NYY
2
1
0
1.000
2
2.53
15
0
0
0
8
3
3
1
1
0
0
0
41
0
0.84
15.00
0.84
36.6
2.4
0.84
.292
2.53
6.75
22 Bryan Abreu
B. Abreu
12.60
5.0
2023
ALCS
HOU HOU
6
0
0
0
7.20
7
0
0
0
4
4
4
1
2
2
1
0
23
0
3.60
3.50
1.80
30.4
8.7
1.20
.273
7.20
7.20
23 Gerrit Cole
G. Cole
12.60
5.0
2022
ALCS
NYY NYY
1
0
1
.000
1
5.40
7
0
0
0
5
3
5
1
2
1
0
0
24
0
3.60
3.50
1.80
29.2
8.3
1.40
.308
9.00
9.00
24 Cristian Javier
C. Javier
12.60
5.0
2021
ALCS
HOU HOU
2
0
0
0
0.00
7
0
0
0
3
0
0
0
2
0
0
0
20
0
3.60
3.50
0.00
35.0
10.0
1.00
.273
0.00
5.40
25 Dan Haren
D. Haren
12.60
5.0
2006
ALCS
OAK OAK
1
0
0
1
5.40
7
0
0
0
7
3
3
1
2
0
0
0
23
2
3.60
3.50
1.80
30.4
8.7
1.80
.462
5.40
12.60
StatMuse has game-level data for K/9 and innings pitched going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.

More Astros Stats

Team Rankings

HR

112

13th

R

436

15th

SO

961

1st

ERA

3.64

6th

2025 Division Standings
TEAM W L PCT GB
Astros Astros
57
42
.576
Mariners Mariners
53
46
.535
4.0
Rangers Rangers
50
50
.500
7.5
Angels Angels
49
50
.495
8.0
Athletics Athletics
42
59
.416
16.0
Schedule
DATE MATCHUP TIME (ET)
Mon
7/21
HOU HOU
@
AZ AZ
9:40 PM
Tue
7/22
HOU HOU
@
AZ AZ
9:40 PM
Wed
7/23
HOU HOU
@
AZ AZ
3:40 PM
Thu
7/24
ATH ATH
@
HOU HOU
8:10 PM
Fri
7/25
ATH ATH
@
HOU HOU
8:10 PM
Last Game
SEA Mariners

53 - 46

3

Final

11

HOU Astros

57 - 42

Sun 20 Jul 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

AL East W L PCT GB
Blue Jays Blue Jays
58
41
.586
Yankees Yankees
55
44
.556
3.0
AL Central W L PCT GB
Tigers Tigers
60
40
.600
Guardians Guardians
48
50
.490
11.0
AL West W L PCT GB
Astros Astros
57
42
.576
Mariners Mariners
53
46
.535
4.0
NL East W L PCT GB
Phillies Phillies
56
43
.566
Mets Mets
56
44
.560
0.5
NL Central W L PCT GB
Cubs Cubs
59
40
.596
Brewers Brewers
59
40
.596
NL West W L PCT GB
Dodgers Dodgers
58
42
.580
Padres Padres
54
45
.545
3.5

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Tue
7/1
CIN CIN
@
BOS BOS
8-4
Tue
7/1
LAA LAA
@
ATL ATL
3-8
Tue
7/1
BAL BAL
@
TEX TEX
0-6
Tue
7/1
KCR KCR
@
SEA SEA
2-3
Tue
7/1
CWS CWS
@
LAD LAD
4-5

Schedule

DATE MATCHUP TIME (ET)
Mon
7/21
SDP SDP
@
MIA MIA
6:40 PM
Mon
7/21
DET DET
@
PIT PIT
6:40 PM
Mon
7/21
BAL BAL
@
CLE CLE
6:40 PM
Mon
7/21
CIN CIN
@
WSH WSH
6:45 PM
Mon
7/21
BOS BOS
@
PHI PHI
6:45 PM