relief pitcher strikeouts per 9 leaders 2026

Joe La Sorsa and Yunior Marte are tied for the best K/9 by a relief pitcher this season, with 27.00 per nine innings.

NAMEK/9SEASONTMGWLW%GSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPBB/9K/BBHR/9K%BB%WHIPBABIPRAH/9
1Joe La Sorsa
J. La Sorsa
27.00
2026
1
0
0
0
27.00
1
0
0
0
0.1
1
1
1
1
0
0
1
0
2
0
0.00
27.00
50.0
0.0
3.00
27.00
27.00
2Yunior Marte
Y. Marte
27.00
2026
1
0
0
0
108.00
1
0
0
0
0.1
3
4
4
0
1
1
0
1
6
0
27.00
1.00
0.00
16.7
16.7
12.00
1.000
108.00
81.00
3José Buttó
J. Buttó
22.50
2026
3
0
0
0
22.50
5
0
0
0
2.0
6
5
5
2
4
0
1
0
16
0
18.00
1.25
9.00
31.3
25.0
5.00
.800
22.50
27.00
4Daniel Espino
D. Espino
18.00
2026
6
0
0
0
4.50
12
0
0
0
6.0
5
3
3
1
4
0
2
0
27
0
6.00
3.00
1.50
44.4
14.8
1.50
.400
4.50
7.50
5Carl Edwards Jr.
C. Edwards Jr.
16.50
2026
2
0
0
0
1.50
11
0
0
0
6.0
3
1
1
1
4
0
1
0
25
0
6.00
2.75
1.50
44.0
16.0
1.17
.222
1.50
4.50
6Mason Miller
M. Miller
16.33
2026
55
4
2
.667
0
1.26
104
0
0
32
57.1
28
8
10
2
20
2
47
1
219
5
3.14
5.20
0.31
47.5
9.1
0.84
.286
1.57
4.40
7Manuel Rodríguez
M. Rodríguez
15.43
2026
4
0
0
0
3.86
8
0
0
0
4.2
5
2
2
1
4
1
0
1
24
0
7.71
2.00
1.93
33.3
16.7
1.93
.400
3.86
9.64
8Yaramil Hiraldo
Y. Hiraldo
15.26
2026
7
1
0
1.000
0
5.87
13
0
0
0
7.2
7
5
5
2
6
1
1
0
37
0
7.04
2.17
2.35
35.1
16.2
1.70
.333
5.87
8.22
9Luis Perales
L. Perales
15.00
2026
2
0
0
0
21.00
5
0
0
0
3.0
8
7
7
1
4
0
0
0
21
1
12.00
1.25
3.00
23.8
19.0
4.00
.636
21.00
24.00
10Brycen Mautz
B. Mautz
15.00
2026
2
0
1
.000
0
9.00
10
0
0
0
6.0
9
6
6
1
3
0
1
0
29
3
4.50
3.33
1.50
34.5
10.3
2.00
.533
9.00
13.50
11Erik Sabrowski
E. Sabrowski
14.87
2026
51
5
2
.714
0
2.97
65
0
0
1
39.1
25
13
16
3
26
1
5
2
169
5
5.95
2.50
0.69
38.5
15.4
1.30
.297
3.66
5.72
12Andrés Muñoz
A. Muñoz
14.48
2026
53
5
5
.500
0
4.29
81
0
0
24
50.1
40
24
26
7
20
1
41
0
211
2
3.58
4.05
1.25
38.4
9.5
1.19
.324
4.65
7.15
13Drew Sommers
D. Sommers
14.42
2026
34
1
3
.250
0
3.99
47
0
0
0
29.1
26
13
15
2
12
2
2
2
125
1
3.68
3.92
0.61
37.6
9.6
1.30
.387
4.60
7.98
14Spencer Bivens
S. Bivens
14.40
2026
4
0
0
0
14.40
8
0
0
0
5.0
11
8
10
1
4
0
1
0
30
2
7.20
2.00
1.80
26.7
13.3
3.00
.588
18.00
19.80
15Brendon Little
B. Little
14.12
2026
23
0
3
.000
0
7.89
34
0
0
0
21.2
26
19
21
5
20
0
3
5
104
0
8.31
1.70
2.08
32.7
19.2
2.12
.467
8.72
10.80
16Mason Montgomery
M. Montgomery
14.01
2026
54
6
3
.667
0
3.25
82
0
0
8
52.2
36
19
20
5
19
1
20
2
214
2
3.25
4.32
0.85
38.3
8.9
1.04
.290
3.42
6.15
17Samy Natera Jr.
S. Natera Jr.
13.99
2026
24
1
1
.500
0
2.60
43
0
0
3
27.2
16
8
8
1
11
1
5
0
110
3
3.58
3.91
0.33
39.1
10.0
0.98
.278
2.60
5.20
18Jeff Hoffman
J. Hoffman
13.89
2026
TOT
62
6
8
.429
0
3.90
89
0
0
5
57.2
56
25
32
4
25
6
22
4
260
4
3.90
3.56
0.62
34.2
9.6
1.40
.382
4.99
8.74
19Luis Gil
L. Gil
13.50
2026
1
0
0
0
4.50
3
0
0
0
2.0
1
1
1
0
1
1
0
0
10
0
4.50
3.00
0.00
30.0
10.0
1.00
.200
4.50
4.50
20Ryan Feltner
R. Feltner
13.50
2026
1
0
1
.000
0
0.00
6
0
0
0
4.0
5
0
1
0
2
0
1
0
19
0
4.50
3.00
0.00
31.6
10.5
1.75
.455
2.25
11.25
21Joe Boyle
J. Boyle
13.50
2026
1
0
0
0
5.40
5
0
0
0
3.1
2
2
2
0
3
0
1
0
15
0
8.10
1.67
0.00
33.3
20.0
1.50
.286
5.40
5.40
22Bradley Hanner
B. Hanner
13.50
2026
3
0
0
0
6.75
6
0
0
0
4.0
6
3
3
2
0
0
2
0
18
0
0.00
4.50
33.3
0.0
1.50
.400
6.75
13.50
23Slade Cecconi
S. Cecconi
13.50
2026
2
0
0
0
16.88
4
0
0
0
2.2
5
5
5
1
2
0
0
0
15
1
6.75
2.00
3.38
26.7
13.3
2.63
.500
16.88
16.88
24Will Warren
W. Warren
13.50
2026
1
0
0
0
0.00
1
0
0
0
0.2
1
0
0
0
1
0
0
0
4
0
13.50
1.00
0.00
25.0
25.0
3.00
.500
0.00
13.50
25Miguel Ullola
M. Ullola
13.50
2026
4
0
0
0
4.50
9
0
0
0
6.0
4
3
3
2
1
0
3
0
23
0
1.50
9.00
3.00
39.1
4.3
0.83
.182
4.50
6.00
StatMuse has game-level data for K/9 going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.

More MLB News

More Red Sox Stats

Team Batting Leaders

HR

26

Contreras

Willson Contreras

RBI

79

Contreras

Willson Contreras

AVG

.282

Rafaela

Ceddanne Rafaela
Team Pitching Leaders

W

16

Gray

Sonny Gray

K

147

Tolle

Payton Tolle

ERA

2.82

Gray

Sonny Gray
Team Rankings

HR

147

22nd

R

633

13th

SO

1,205

11th

ERA

3.67

4th

2026 Division Standings
TEAMWLPCTGB
83
57
.593
80
60
.571
3.0
Red Sox Red Sox
76
65
.539
7.5
70
71
.496
13.5
69
72
.489
14.5
Schedule
DATEMATCHUPTIME (ET)
Fri
9/4
@
7:05 PM
Sat
9/5
@
7:05 PM
Sun
9/6
@
1:35 PM
Mon
9/7
@
1:35 PM
Tue
9/8
@
6:45 PM
Last Game
BOS Red Sox

76 - 65

6

Final

5

BAL Orioles

69 - 72

Thu 3 Sep 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
83
57
.593
79
61
.564
4.0
71
70
.504
12.5
67
75
.472
17.0
63
77
.450
20.0
NL CentralWLPCTGB
87
54
.617
79
62
.560
8.0
70
71
.496
17.0
69
72
.489
18.0
67
73
.479
19.5
NL WestWLPCTGB
83
57
.593
74
67
.525
9.5
73
67
.521
10.0
58
83
.411
25.5
54
86
.386
29.0
AL EastWLPCTGB
83
57
.593
80
60
.571
3.0
76
65
.539
7.5
70
71
.496
13.5
69
72
.489
14.5
AL CentralWLPCTGB
73
67
.521
70
70
.500
3.0
67
73
.479
6.0
64
75
.460
8.5
63
78
.447
10.5
AL WestWLPCTGB
72
69
.511
70
71
.496
2.0
66
75
.468
6.0
55
86
.390
17.0
53
87
.379
18.5

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Wed
8/19
@
3-4
Wed
8/19
@
5-3
Thu
8/20
@
10-9
Thu
8/20
@
5-1
Thu
8/20
@
2-5

Schedule

DATEMATCHUPTIME (ET)
Fri
9/4
@
2:10 PM
Fri
9/4
@
6:10 PM
Fri
9/4
@
6:40 PM
Fri
9/4
@
6:45 PM
Fri
9/4
@
7:05 PM