era leaders min 40 innings pitched single season

Buck O'Brien has the lowest ERA with 40.0+ innings pitched in a season, with an ERA of 0.38 in his rookie season in 1911.

NAMEERAIPSEASONTMGWLW%GSSOCGSHOSVHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Buck O'Brien
B. O'Brien
0.38
47.2
1911
6
5
1
.833
5
31
5
2
0
30
2
9
0
21
1
1
189
0
5.85
3.97
1.48
0.00
16.4
11.1
1.07
.221
1.70
11
2.85
88
5.66
2
2Zack Britton
Z. Britton
0.54
67.0
2016
69
2
1
.667
0
74
0
0
47
38
4
7
1
18
0
63
3
254
10
9.94
2.42
4.11
0.13
29.1
7.1
0.84
.230
0.94
13
1.93
44
5.10
17.7
3Joey Devine
J. Devine
0.59
45.2
2008
42
6
1
.857
0
49
0
0
1
23
3
7
0
15
0
10
2
170
0
9.66
2.96
3.27
0.00
28.8
8.8
0.83
.217
1.38
14
1.96
46
4.53
11.7
4Fernando Rodney
F. Rodney
0.60
74.2
2012
76
2
2
.500
0
76
0
0
48
43
5
9
2
15
3
65
1
282
4
9.16
1.81
5.07
0.24
27.0
5.3
0.78
.220
1.08
16
2.12
52
5.18
16.2
5Emmanuel Clase
E. Clase
0.61
74.1
2024
74
4
2
.667
0
66
0
0
47
39
5
10
2
10
2
66
1
270
2
7.99
1.21
6.60
0.24
24.4
3.7
0.66
.195
1.21
15
2.22
55
4.72
15.2
6Dennis Eckersley
D. Eckersley
0.61
73.1
1990
63
4
2
.667
0
73
0
0
48
41
5
9
2
4
0
61
1
262
0
8.96
0.49
18.25
0.25
27.9
1.5
0.61
.213
1.10
17
1.33
35
5.03
20.6
7George McQuillan
G. McQuillan
0.66
41.0
1907
6
4
0
1.000
5
28
5
3
0
21
3
3
0
11
1
1
145
1
6.15
2.41
2.55
0.00
19.3
7.6
0.78
.200
0.66
27
1.69
64
4.61
4.3
8Casey Sadler
C. Sadler
0.67
40.1
2021
42
0
1
.000
0
37
0
0
0
19
3
4
1
10
1
2
0
145
2
8.26
2.23
3.70
0.22
25.5
6.9
0.72
.188
0.89
16
2.47
59
4.24
7.7
9Rob Murphy
R. Murphy
0.72
50.1
1986
34
6
0
1.000
0
36
0
0
1
26
4
4
0
21
0
12
2
195
5
6.44
3.75
1.71
0.00
18.5
10.8
0.93
.188
0.72
19
2.58
67
4.65
7
10Barry Latman
B. Latman
0.76
47.2
1958
13
3
0
1.000
3
28
1
1
0
27
4
7
1
17
1
3
0
188
1
5.29
3.21
1.65
0.19
14.9
9.0
0.92
.184
1.32
20
2.71
73
5.10
5.5
11Rich Gossage
R. Gossage
0.77
46.2
1981
32
3
2
.600
0
48
0
0
20
22
4
6
2
14
1
30
1
173
1
9.26
2.70
3.43
0.39
27.7
8.1
0.77
.185
1.16
22
2.06
57
4.24
8.3
12Blake Treinen
B. Treinen
0.78
80.1
2018
68
9
2
.818
0
100
0
0
38
46
7
12
2
21
1
58
3
315
6
11.20
2.35
4.76
0.22
31.7
6.7
0.83
.230
1.34
19
1.81
44
5.15
21
13Earl Hamilton
E. Hamilton
0.83
54.0
1918
6
6
0
1.000
6
20
6
1
0
47
5
7
0
13
0
0
210
1
3.33
2.17
1.54
0.00
9.5
6.2
1.11
.266
1.17
30
2.21
80
7.83
3.3
14Nick Maddox
N. Maddox
0.83
54.0
1907
6
5
1
.833
6
38
6
1
0
32
5
8
0
13
4
0
197
1
6.33
2.17
2.92
0.00
19.3
6.6
0.83
.225
1.33
34
1.72
65
5.33
5.5
15Tim Keefe
T. Keefe
0.86
105.0
1880
12
6
6
.500
12
39
12
0
0
68
10
27
0
16
0
397
1
3.34
1.37
2.44
0.00
9.8
4.0
0.80
2.31
35
2.25
91
5.83
3.6
16Cisco Carlos
C. Carlos
0.86
41.2
1967
8
2
0
1.000
7
27
1
1
0
23
4
5
0
9
1
1
0
158
1
5.83
1.94
3.00
0.00
17.1
5.7
0.77
.190
1.08
28
1.96
60
4.97
6.1
17Bill Henry
B. Henry
0.87
52.0
1964
37
2
2
.500
0
28
0
0
6
31
5
9
2
12
3
20
4
202
1
4.85
2.08
2.33
0.35
13.9
5.9
0.83
.185
1.56
24
2.89
82
5.37
3.6
18Dennys Reyes
D. Reyes
0.89
50.2
2006
66
5
0
1.000
0
49
0
0
0
35
5
8
3
15
0
8
2
194
4
8.70
2.66
3.27
0.53
25.3
7.7
0.99
.252
1.42
20
2.86
65
6.22
8.7
19Ferdie Schupp
F. Schupp
0.90
140.1
1916
30
9
3
.750
11
86
8
4
1
79
14
22
1
37
5
17
525
2
5.52
2.37
2.32
0.06
16.4
7.0
0.83
.197
1.41
36
2.08
84
5.07
6.1
20Jonathan Papelbon
J. Papelbon
0.92
68.1
2006
59
4
2
.667
0
75
0
0
35
40
7
8
3
13
1
49
2
257
2
9.88
1.71
5.77
0.40
29.2
5.1
0.78
.224
1.05
20
2.13
48
5.27
17.7
21Wade Davis
W. Davis
0.94
67.1
2015
69
8
1
.889
0
78
0
0
17
33
7
8
3
20
0
24
1
251
1
10.43
2.67
3.90
0.40
31.1
8.0
0.79
.200
1.07
23
2.28
58
4.41
12.7
22Chris Hammond
C. Hammond
0.95
76.0
2002
63
7
2
.778
0
63
0
0
0
53
8
15
1
31
1
6
9
311
1
7.46
3.67
2.03
0.12
20.3
10.0
1.11
.242
1.78
23
2.73
65
6.28
12.3
23Aaron Loup
A. Loup
0.95
56.2
2021
65
6
0
1.000
2
57
0
0
0
37
6
9
1
16
4
6
0
218
0
9.05
2.54
3.56
0.16
26.1
7.3
0.94
.257
1.43
24
2.44
58
5.88
11.2
24Dutch Leonard
D. Leonard
0.96
224.2
1914
36
19
5
.792
25
176
17
7
3
139
24
34
3
60
8
8
842
2
7.05
2.40
2.93
0.12
20.9
7.1
0.89
.229
1.36
36
1.95
70
5.57
20.4
25Eric O'Flaherty
E. O'Flaherty
0.98
73.2
2011
78
2
4
.333
0
67
0
0
0
59
8
9
2
21
3
5
8
301
1
8.19
2.57
3.19
0.24
22.3
7.0
1.09
.274
1.10
26
2.53
67
7.21
10.3

More Red Sox Stats

Team Batting Leaders

HR

7

Contreras

Willson Contreras

RBI

21

Contreras

Willson Contreras

AVG

.297

Abreu

Wilyer Abreu
Team Pitching Leaders

W

3

Crochet

Garrett Crochet

K

37

Crochet

Garrett Crochet

ERA

2.04

Tolle

Payton Tolle
Team Rankings

HR

24

28th

R

135

26th

SO

279

23rd

ERA

4.14

16th

2026 Division Standings
TEAMWLPCTGB
24
11
.686
22
12
.647
1.5
16
19
.457
8.0
15
20
.429
9.0
Red Sox Red Sox
14
21
.400
10.0
Schedule
DATEMATCHUPTIME (ET)
Wed
5/6
@
6:40 PM
Thu
5/7
@
7:10 PM
Fri
5/8
@
7:10 PM
Sat
5/9
@
4:10 PM
Sun
5/10
@
1:35 PM
Last Game
BOS Red Sox

14 - 21

5

Final

4

DET Tigers

18 - 18

Mon 4 May 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
25
11
.694
16
19
.457
8.5
16
19
.457
8.5
15
20
.429
9.5
13
22
.371
11.5
NL CentralWLPCTGB
23
12
.657
21
14
.600
2.0
20
15
.571
3.0
19
16
.543
4.0
18
16
.529
4.5
NL WestWLPCTGB
22
13
.629
20
14
.588
1.5
16
17
.485
5.0
14
21
.400
8.0
14
22
.389
8.5
AL EastWLPCTGB
24
11
.686
22
12
.647
1.5
16
19
.457
8.0
15
20
.429
9.0
14
21
.400
10.0
AL CentralWLPCTGB
18
18
.500
18
18
.500
17
18
.486
0.5
16
19
.457
1.5
15
20
.429
2.5
AL WestWLPCTGB
18
16
.529
17
19
.472
2.0
16
18
.471
2.0
14
22
.389
5.0
13
23
.361
6.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sun
4/19
@
0-7
Sun
4/19
@
3-5
Sun
4/19
@
10-4
Mon
4/20
@
6-8
Mon
4/20
@
9-2

Schedule

DATEMATCHUPTIME (ET)
Tue
5/5
@
9:38 PM
Tue
5/5
@
9:40 PM
Tue
5/5
@
9:40 PM
Tue
5/5
@
9:45 PM
Wed
5/6
@
1:10 PM